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Optoma HD146X vs Optoma HD28e: 88 Highlights & 47 Differences — So, Which Projector Actually Works Better

We break down the key specs and user experience to find the clearer winner for home theaters. Not sure which projector is the better fit? This projectors comparison puts Optoma HD146X vs Optoma HD28e side by side — starting from product type, native resolution, throw ratio & lens material to what users love.

55 Points
Optoma HD146X
54 Points
Optoma
Optoma
Optoma HD28e
The Optoma HD28e has been discontinued️. Our community last shared an update on January 09, 2026.
Optoma HD28e
vs

Highlights 167

No extras. Just what matters.
55 Points
vs
54 Points

Why is Optoma HD146X better than Optoma HD28e ?

Scroll down for more facts

Optoma HD146X vs Optoma HD28e: Which Home Theater Projector Wins the Battle? 

Both the Optoma HD146X and Optoma HD28e are solid contenders in the home theater projector market, offering 1080p native resolution using dependable DLP projection technology. Boasting similar build materials and manual focus glass lenses, these black projectors target users seeking immersive movie experiences without built-in smart features or wireless connectivity. Despite these shared traits, the two diverge notably in key areas such as imaging chip size, brightness output, throw ratios, and audio capabilities, making the choice dependent on room size, image fidelity, and audio preferences. 

Optoma HD146X: Compact Chip, Vibrant Color, and Shorter Throw Mastery

The Optoma HD146X impresses with its larger 0.65-inch DLP chip, which is bigger than what the HD28e offers, helping deliver richer colors and potentially sharper image quality. Rated at 3600 lumens, it may be a bit dimmer than its competitor but avoids pixel shifting technology, preferring consistent native resolution projection enhanced by a moderate 2-4 sharpness boost. Its short throw ratio of 1.0 to 1.5 makes it ideally suited for smaller rooms or closer projector placement without sacrificing screen size, maximizing up to 301 inches.

Beyond optics, the HD146X comes with skin tone correction technology that can provide superior realism and color fidelity, a feature absent from the HD28e. The glass lens with a 2.5 aperture balances light intake well, and its 240W light source offers a vibrant mix of brightness and performance.

Connectivity-wise, the HD146X shines with an RS-232 port, a boon for professional AV setups and automation integration, and a standard 3.5mm audio out. Dolby Audio support, though paired with modest 3-watt speakers, ensures a clear, immersive sound experience. User interaction benefits from a list-style menu and rapid two-second input switching, making navigation smooth and frustration-free.

Environmentally conscious users will appreciate its ability to reduce power consumption by up to 23% in eco mode, alongside the typical standby power draw of just 0.5W. It supports ceiling mounting for versatile installation, packaged with AAA remote batteries and backed by an extended warranty for peace of mind.

Optoma HD28e: Brightness Champion with Audio Muscle and Pixel Precision

The Optoma HD28e takes a different route by boasting higher brightness at 3800 lumens, benefitting from pixel-shifting technology that effectively enhances perceived sharpness despite its smaller 0.47-inch imaging chip. Its longer throw ratio, ranging from 1.5 to over 2.5, suits larger rooms or setups where the projector can be placed further back, projecting screens up to 300 inches wide.

Sporting a glass lens with a tiny aperture difference at 24 and a 210W light power source, the HD28e excels in light uniformity and efficiency, rated around 85%. Its brightness and uniform light combine to deliver crisp and lively visuals, albeit with minimal (0-1 level) post-processing sharpness enhancement.

Audio is another strong suit; outfitted with 10-watt built-in speakers, the HD28e offers noticeably louder sound output suitable for medium-sized rooms, even though it lacks Dolby Audio encoding. Its user interface features an intuitive icon-based menu, though input switching takes a bit longer at about three seconds.

While this model does not support RS-232 control and has slightly less eco-friendly power reduction at 14%, it runs on marginally lower overall power consumption (225W vs 240W). It comes with AA battery-powered remotes, ceiling mount capability, and similar extended warranty coverage, making it a practical, efficient alternative for users prioritizing brightness and loudness.

Quick Take 

The Optoma HD146X excels in delivering superb image quality with a larger chip and nuanced color fidelity, plus quicker UI response, ideal for smaller rooms and smart integration setups. Meanwhile, the Optoma HD28e stands out with higher brightness, powerful speakers, and greater light uniformity; perfect for larger spaces needing clear visuals and robust sound.

Bottom Line

Choosing between these two comes down to your priorities: the Optoma HD146X is the better pick for users desiring superior image fidelity, short-throw versatility, and Dolby-enhanced audio with professional control features. The Optoma HD28e suits those who need more lumens and louder audio for more expansive environments and are comfortable without advanced color corrections or rapid input switching.

Verdict

  • Winner: Optoma HD146X - Offers a larger imaging chip with skin tone correction, Dolby Audio support, and valuable RS-232 connectivity, making it a balanced powerhouse for home theaters with space constraints.
  • Runner-up: Optoma HD28e - Boasts higher brightness and stronger speakers that cater well to bright rooms and louder demands, but lacks the nuanced image processing and quick interface responsiveness.

Comparisons 11

Two enter. One leaves your cart.

Related comparisons 11

Because one duel is never enough.

Comparisons & Facts 167

Side by side. The numbers. The features. No drama.

Looking for a smart comparison between Optoma HD146X and Optoma HD28e? We lined up every useful detail — from specs and user reviews to pros, cons, and pricing — so you can see how these projectors really compare in the wild.

General Information 9

Imaging Chip Size

What is the imaging chip size of this projector?

0.65 inch 1 Votes
Optoma HD146X
0.47 inch 0 Votes
Optoma HD28e

Optoma HD146X
vs
Optoma HD28e
Imaging Chip Size

The Imaging Chip Size differs between the Optoma HD146X at 0.65 inch and the Optoma HD28e at 0.47 inch, indicating that the HD146X uses a larger imaging chip which may affect image brightness and quality.

Specifies the size of the imaging chip. Larger chips generally improve performance.

I honestly like how the Optoma HD146X has that bigger imaging chip. It makes the image pop way more than the HD28e's smaller chip.

See more

Product Type

What is the product type of this projector?

65 Optoma HD146X 0 Votes Home Theater

66 Optoma HD28e 0 Votes Home Theater

Optoma HD146X
vs
Optoma HD28e
Product Type

The Product Type for both Optoma HD146X and Optoma HD28e is Home Theater, so they serve the same main purpose as home theater projectors.

Defines the general classification of this projector.

Projection Technology Type

What is the projection technology type of this projector?

85 Optoma HD146X 0 Votes DLP

86 Optoma HD28e 0 Votes DLP

Optoma HD146X
vs
Optoma HD28e
Projection Technology Type

Both projectors use DLP as the Projection Technology Type, ensuring similar projection technology fundamentals.

Identifies the core imaging technology used.

Color

What is the color of this projector?

25 Optoma HD146X 0 Votes Black

26 Optoma HD28e 0 Votes Black

Optoma HD146X
vs
Optoma HD28e
Color

Both Optoma HD146X and Optoma HD28e share the Color Black, giving them a similar aesthetic suitable for most home environments.

Indicates the color finish of the projector body.

Build Material

What is the build material of this projector?

45 Optoma HD146X 0 Votes Plastic

46 Optoma HD28e 0 Votes Plastic

Optoma HD146X
vs
Optoma HD28e
Build Material

The Build Material for both Optoma HD146X and Optoma HD28e is Plastic, suggesting comparable durability and weight characteristics.

Specifies the main construction material of the chassis.

Intended Usage Type

What is the intended usage type of this projector?

78 Optoma HD146X 0 Votes Home Theater, Gaming

79 Optoma HD28e 0 Votes Home Theater, Gaming

Optoma HD28e
Optoma HD28e

Intended primarily for home theater and gaming use, optimizing its features and performance for immersive entertainment.

Describes the ideal application for this projector.

Release Year

What is the release year of this projector?

70 Optoma HD146X 0 Votes 2021

65 Optoma HD28e 0 Votes 2020

Shows the year the projector model was released.

Country of Manufacture

What is the country of manufacture for this projector?

85 Optoma HD146X 0 Votes China

86 Optoma HD28e 0 Votes China

Indicates where the projector was manufactured.

Imaging Chip Type

What is the imaging chip type of this projector?

85 Optoma HD146X 0 Votes DLP Chip

86 Optoma HD28e 0 Votes DLP Chip

Indicates the chip architecture that forms the image.

Optical Performance 16

Native Resolution

What is the native resolution of this projector?

85 Optoma HD146X 0 Votes 1080p

86 Optoma HD28e 0 Votes 1080p

Optoma HD146X
vs
Optoma HD28e
Native Resolution

The Native Resolution of both Optoma HD146X and Optoma HD28e is 1080p, meaning both deliver full HD resolution for clear image detail.

The true physical pixel resolution produced by the projector.

Brightness Output

What is the brightness output?

3,600 lumen 0 Votes
Optoma HD146X
3,800 lumen 1 Votes
Optoma HD28e

Optoma HD146X
vs
Optoma HD28e
Brightness Output

The Brightness Output is 3600 lumens for the Optoma HD146X compared to 3800 lumens for the Optoma HD28e, making the HD28e slightly brighter and potentially better in brighter rooms.

Indicates overall light output for visibility in ambient light.

The HD28e is a beast with brightness hitting 3800 lumens. It definitely lights up my space better than the HD146X.

See more

Pixel Shifting

Does this projector support pixel shifting?

No 0 Votes Optoma HD146X

Yes 0 Votes Optoma HD28e

Optoma HD146X
vs
Optoma HD28e
Pixel Shifting

Pixel Shifting is not available on the Optoma HD146X, whereas the HD28e supports Pixel Shifting, which can improve perceived resolution and image sharpness on the HD28e.

Indicates whether resolution enhancement via pixel shifting is supported.

Frame Interpolation

Does this projector support frame interpolation?

No 0 Votes Optoma HD146X

No 0 Votes Optoma HD28e

Optoma HD146X
vs
Optoma HD28e
Frame Interpolation

Neither Optoma HD146X nor Optoma HD28e supports Frame Interpolation, so both lack motion smoothing features.

Allows smoother motion for sports and fast scenes.

Sharpness Enhancement Type

Crisp detail with sharpness level :val.

55 Optoma HD146X 0 Votes 2–4 (Balanced)

16 Optoma HD28e 0 Votes 0–1 (Minimal)

Optoma HD146X
vs
Optoma HD28e
Sharpness Enhancement Type

The Sharpness Enhancement Type on the Optoma HD146X is 2–4 (Balanced) while the HD28e offers 0–1 (Minimal), so the HD146X has stronger image sharpness processing enhancing picture clarity.

What is the sharpness enhancement level?

Color Gamut Coverage

What is the color gamut coverage?

100 % 0 Votes
Optoma HD146X
100 % 0 Votes
Optoma HD28e

Optoma HD146X
Optoma HD146X

Color gamut coverage reaches 100%, promising vibrant and accurate color reproduction.

Optoma HD28e
Optoma HD28e

Covers 100% of its specified color gamut, ensuring vibrant and accurate color reproduction in projected images.

Indicates percent coverage of color spaces such as Rec.709 or DCI-P3.

Refresh Rate

What is the refresh rate?

60 Hz 0 Votes
Optoma HD146X
60 Hz 0 Votes
Optoma HD28e

Optoma HD146X
Optoma HD146X

A standard refresh rate of 60 Hz ensures smooth motion for typical video playback and gaming.

Optoma HD28e
Optoma HD28e

Has a refresh rate of 60 Hz, standard for smooth video playback and gaming at typical frame rates.

Determines motion smoothness for gaming and video.

Maximum Supported Resolution

What is the maximum supported resolution of this projector?

35 Optoma HD146X 0 Votes 1080p

36 Optoma HD28e 0 Votes 1080p

Optoma HD146X
Optoma HD146X

The maximum supported resolution matches the native resolution at 1080p, ensuring full HD output.

The highest resolution signal the projector can accept.

Peak ANSI Lumens

What is the peak ANSI lumens of this projector?

3,600 lumen 0 Votes
Optoma HD146X
3,800 lumen 0 Votes
Optoma HD28e

Optoma HD28e
Optoma HD28e

The brightness output is 3800 lumens, ideal for use in rooms with ambient light while maintaining clear and vivid pictures.

Industry-standard brightness measurement using ANSI method.

Dynamic Lumens

What is the dynamic lumens rating?

3,600 lumen 0 Votes
Optoma HD146X
3,800 lumen 0 Votes
Optoma HD28e

Optoma HD146X
Optoma HD146X

Dynamic lumens match the peak brightness of 3600 lumens, indicating stable brightness management.

Measures boosted brightness in enhanced dynamic modes.

Contrast Ratio

What is the contrast ratio of this projector?

0 Optoma HD146X 0 Votes 25,000:1

1 Optoma HD28e 0 Votes 30,000:1

Optoma HD146X
Optoma HD146X

With a contrast ratio of 25,000:1, the projector can produce deep blacks and vibrant whites for enhanced image depth.

Represents the difference between the darkest black and brightest white produced by the projector.

HDR Format Support

What HDR formats does this projector support?

50 Optoma HD146X 0 Votes HDR10, HLG

51 Optoma HD28e 0 Votes HDR10, HLG

Optoma HD146X
Optoma HD146X

HDR formats supported include HDR10 and HLG, enabling enhanced contrast and color performance with compatible content.

Specifies which HDR formats the projector can display.

Projection & Throw Performance 15

Throw Ratio

Flexible placement with :val throw ratio.

72 Optoma HD146X 0 Votes 1.0–1.5 (Standard)

61 Optoma HD28e 0 Votes 1.5–2.5+ (Long Throw)

Optoma HD146X
vs
Optoma HD28e
Throw Ratio

The Throw Ratio range for the Optoma HD146X is 1.0–1.5 (Standard), while the HD28e has a longer throw ratio of 1.5–2.5+, meaning the HD146X can project larger images from a shorter distance compared to the HD28e.

What is the throw ratio?

Short Throw

Does this projector support short throw usage?

No 0 Votes Optoma HD146X

No 0 Votes Optoma HD28e

Optoma HD146X
vs
Optoma HD28e
Short Throw

Both Optoma HD146X and HD28e are not Short Throw projectors, indicating standard projection distances.

Indicates whether the projector is designed for short-throw projection.

Ultra Short Throw

Does this projector support ultra short throw projection?

No 0 Votes Optoma HD146X

No 0 Votes Optoma HD28e

Optoma HD146X
vs
Optoma HD28e
Ultra Short Throw

Neither the Optoma HD146X nor the HD28e supports Ultra Short Throw projection, so both require some distance from the screen.

Indicates whether the projector can project large images at extremely short distances.

Screen Size Maximum

What is the maximum supported screen size?

301 inch 0 Votes
Optoma HD146X
300 inch 0 Votes
Optoma HD28e

Optoma HD146X
vs
Optoma HD28e
Screen Size Maximum

The Maximum Screen Size for the Optoma HD146X is 301 inches, slightly larger than the 300 inches maximum for the Optoma HD28e, offering a marginally bigger viewing experience.

Largest supported diagonal projection size.

Maximum Throw Distance

What is the maximum throw distance?

32.8 ft 0 Votes
Optoma HD146X
32.8 ft 0 Votes
Optoma HD28e

Optoma HD146X
Optoma HD146X

The maximum throw distance is 32.8 feet (10 meters), allowing flexible installation distances.

Optoma HD28e
Optoma HD28e

Supports a maximum throw distance of 32.8 feet (approximately 10 meters), enabling projection over long distances for large screen sizes.

Maximum distance at which the projector can achieve a proper image.

Optical Zoom Level

High-quality optical zoom at :valx.

15 Optoma HD146X 0 Votes 1.1x (Entry)

16 Optoma HD28e 0 Votes 1.1x (Entry)

Optoma HD146X
Optoma HD146X

Optical zoom level at entry range 1.1x allows slight image size adjustment without moving the projector.

Optoma HD28e
Optoma HD28e

Features an optical zoom level of 1.1x, allowing minor adjustment of image size without moving the projector.

What is the optical zoom level?

Minimum Throw Distance

What is the minimum throw distance?

3.9 ft 0 Votes
Optoma HD146X
4.9 ft 0 Votes
Optoma HD28e

Optoma HD146X
Optoma HD146X

Minimum throw distance is 3.9 feet (1.19 meters), enabling relatively close placement to the screen or wall.

Closest usable distance between projector and screen.

Keystone Correction Vertical

What is the vertical keystone correction?

40 degree 0 Votes
Optoma HD146X
40 degree 0 Votes
Optoma HD28e

Optoma HD146X
Optoma HD146X

It supports vertical keystone correction up to 40 degrees, allowing flexible positioning with minimal image distortion.

Vertical angle adjustment to correct image distortion.

Screen Size Minimum

What is the minimum supported screen size?

30 inch 0 Votes
Optoma HD146X
26 inch 0 Votes
Optoma HD28e

Optoma HD146X
Optoma HD146X

The minimum screen size supported is 30 inches (76 cm) diagonal, suitable for small room setups.

Smallest supported diagonal projection size.

Projection Alignment Type

What is the projection alignment type?

35 Optoma HD146X 0 Votes Front

36 Optoma HD28e 0 Votes Front

Optoma HD28e
Optoma HD28e

The projector uses front projection alignment which means it projects onto a screen or surface positioned in front of the device. This is the most common alignment type suitable for typical setups.

Describes how the projector aligns with the screen.

Keystone Correction Horizontal

What is the horizontal keystone correction?

Who knows? 0 Votes Optoma HD146X (Help us out by suggesting one!)

Who knows? 0 Votes Optoma HD28e (Help us out by suggesting one!)

Horizontal angle adjustment to correct image distortion.

Auto Keystone

Does this projector support auto keystone?

No 0 Votes Optoma HD146X

No 0 Votes Optoma HD28e

Automatically corrects keystone distortion.

Lens & Focus System 10

Lens Material

What is the lens material?

75 Optoma HD146X 0 Votes Glass

76 Optoma HD28e 0 Votes Glass

Optoma HD146X
vs
Optoma HD28e
Lens Material

Both projectors have a Lens Material made of Glass, ensuring similar optical quality and durability in the lens components.

Indicates the primary material used in the projector lens.

Dustproof Lens Design

Does this projector have a dustproof lens design?

No 0 Votes Optoma HD146X

No 0 Votes Optoma HD28e

Optoma HD146X
vs
Optoma HD28e
Dustproof Lens Design

Neither Optoma HD146X nor HD28e has a Dustproof Lens Design, so both may require careful handling in dusty environments.

Specifies whether the lens is designed to resist dust intrusion.

Aperture Size

What is the aperture size?

2.5 f-stop 0 Votes
Optoma HD146X
2.4 f-stop 0 Votes
Optoma HD28e

Optoma HD146X
vs
Optoma HD28e
Aperture Size

Aperture Size is slightly larger on the Optoma HD146X at f/2.5 compared to f/2.4 on the HD28e, which may slightly influence light gathering in optical performance.

Specifies the optical aperture size affecting brightness and depth.

Focus Type

What is the focus type of this projector?

35 Optoma HD146X 0 Votes Manual

36 Optoma HD28e 0 Votes Manual

Optoma HD146X
vs
Optoma HD28e
Focus Type

The Focus Type on both Optoma HD146X and HD28e is Manual, requiring manual adjustment to achieve a sharp image.

Defines how the projector adjusts focus.

Lens Replacement Compatibility

Is the lens replaceable?

No 0 Votes Optoma HD146X

No 0 Votes Optoma HD28e

Optoma HD146X
vs
Optoma HD28e
Lens Replacement Compatibility

Lens Replacement Compatibility is not supported by either Optoma HD146X or HD28e, so lenses are not user-serviceable or interchangeable on both models.

Indicates whether the projector's lens can be replaced or upgraded.

Lens Coating Type

What is the lens coating type?

83 Optoma HD146X 0 Votes Anti-Reflective

84 Optoma HD28e 0 Votes Anti-Reflective

Defines special coatings that enhance optical performance.

Auto Focus

Does this projector support auto focus?

No 0 Votes Optoma HD146X

No 0 Votes Optoma HD28e

Indicates whether the projector can automatically adjust focus.

Manual Focus Range

What is the manual focus range?

45 Optoma HD146X 0 Votes Manual ring focus

45 Optoma HD28e 0 Votes Manual ring focus

Indicates the distance range manual focus can adjust for.

Lens Motor Noise Level

What is the lens motor noise level?

Who knows? 0 Votes Optoma HD146X (Help us out by suggesting one!)

Who knows? 0 Votes Optoma HD28e (Help us out by suggesting one!)

Measures noise generated during lens adjustments.

Lens Protection Cover

Does this projector include a lens protection cover?

No 0 Votes Optoma HD146X

No 0 Votes Optoma HD28e

Indicates whether the lens includes a physical protection cover.

Light Source System 11

Color Temperature

What is the color temperature setting of this projector?

18 Optoma HD146X 0 Votes Warm, Neutral, Cool

19 Optoma HD28e 0 Votes Warm, Neutral, Cool

Optoma HD146X
vs
Optoma HD28e
Color Temperature

Both Optoma HD146X and HD28e support color temperatures of Warm, Neutral, and Cool, allowing similar customization of image color tone.

Defines the visual warmth or coolness profile of the projected image.

Light Source Power Output

What is the light source power output?

240 Watt 0 Votes
Optoma HD146X
210 Watt 0 Votes
Optoma HD28e

Optoma HD146X
vs
Optoma HD28e
Light Source Power Output

The Light Source Power Output is 240 Watts for the Optoma HD146X and 210 Watts for the HD28e, with the HD146X using a higher power lamp which can influence brightness and heat generation.

Indicates the wattage of the light source, affecting brightness potential.

Light Efficiency

What is the light efficiency?

Who knows? 0 Votes Optoma HD146X (Help us out by suggesting one!)

85 % 0 Votes
Optoma HD28e

Optoma HD146X
vs
Optoma HD28e
Light Efficiency

Light Efficiency data is unavailable for the Optoma HD146X, whereas the HD28e has a Light Efficiency rating of 85%, indicating the HD28e uses its light source more efficiently.

Measures how effectively the light source converts power into brightness.

Warm-Up Time

What is the warm-up time?

30 second 0 Votes
Optoma HD146X
30 second 0 Votes
Optoma HD28e

Optoma HD146X
vs
Optoma HD28e
Warm-Up Time

Both the Optoma HD146X and HD28e have a Warm-Up Time of 30 seconds, indicating similar startup speed for projection readiness.

Time required for the projector to reach full brightness.

Light Uniformity Rating

What is the light uniformity rating of this projector?

45 Optoma HD146X 0 Votes Medium

71 Optoma HD28e 0 Votes High

Optoma HD146X
vs
Optoma HD28e
Light Uniformity Rating

Light Uniformity Rating is Medium on the Optoma HD146X and High on the HD28e, suggesting the HD28e may offer more even brightness across the projected image.

Indicates how evenly brightness is distributed across the screen.

Light Source Lifetime Normal Mode

What is the light source lifetime in normal mode?

4,000 hour 0 Votes
Optoma HD146X
4,000 hour 0 Votes
Optoma HD28e

Optoma HD146X
Optoma HD146X

The light source lifetime in normal mode is rated at 4000 hours, typical of lamp projectors before replacement is needed.

Optoma HD28e
Optoma HD28e

The lamp's normal mode lifetime is approximately 4000 hours, reflecting typical usage duration before replacement is needed.

Estimated lifespan in standard usage mode.

Light Source Lifetime Eco Mode

What is the light source lifetime in eco mode?

15,000 hour 0 Votes
Optoma HD146X
8,000 hour 0 Votes
Optoma HD28e

Optoma HD146X
Optoma HD146X

The light source lifetime in Eco Mode is rated at 15,000 hours, promoting long-term use with reduced power consumption.

Estimated lifespan of the light source in eco mode.

Light Source Replaceability

Can the light source be replaced?

Yes 0 Votes Optoma HD146X

Yes 0 Votes Optoma HD28e

Optoma HD28e
Optoma HD28e

The light source is replaceable, allowing extended product life by replacing the lamp without needing to replace the entire projector.

Indicates whether users can replace the light source.

Light Flicker Control

Does this projector include light flicker control?

Yes 0 Votes Optoma HD146X

Yes 0 Votes Optoma HD28e

Optoma HD146X
Optoma HD146X

The projector includes light flicker control, which helps reduce eye strain during extended viewing sessions.

Indicates whether flicker reduction technology is implemented.

Light Source Type

What is the light source type?

25 Optoma HD146X 0 Votes Lamp

26 Optoma HD28e 0 Votes Lamp

Defines the illumination technology powering the projector.

Cool-Down Time

What is the cool-down time?

60 second 0 Votes
Optoma HD146X
60 second 0 Votes
Optoma HD28e

Time required before the projector safely powers off.

Imaging & Color Processing 13

MEMC Mode

Does this projector support MEMC mode?

No 0 Votes Optoma HD146X

No 0 Votes Optoma HD28e

Optoma HD146X
vs
Optoma HD28e
MEMC Mode

Neither Optoma HD146X nor HD28e offers MEMC Mode, so motion enhancement is not available on either projector.

Motion interpolation for smooth fast-action content.

Color Temperature Presets

What color temperature presets does this projector offer?

61 Optoma HD146X 0 Votes Warm, Neutral, Cool

62 Optoma HD28e 0 Votes Warm, Neutral, Cool

Optoma HD146X
vs
Optoma HD28e
Color Temperature Presets

Color Temperature Presets include Warm, Neutral, and Cool on both Optoma HD146X and HD28e, enabling comparable options for color tone adjustments.

Preset visual warmth settings for different content.

Skin Tone Correction

Does this projector offer skin tone correction?

Yes 0 Votes Optoma HD146X

No 0 Votes Optoma HD28e

Optoma HD146X
vs
Optoma HD28e
Skin Tone Correction

Skin Tone Correction is available on the Optoma HD146X but not on the HD28e, meaning the HD146X may provide more natural skin tone reproduction in images.

Enhances natural skin tones for realistic visuals.

Image Scaling Engine Type

What type of image scaling engine does this projector use?

35 Optoma HD146X 0 Votes Standard

36 Optoma HD28e 0 Votes Standard

Optoma HD146X
vs
Optoma HD28e
Image Scaling Engine Type

Both projectors use a Standard Image Scaling Engine Type, thus they apply similar technology for scaling non-native resolutions.

Defines the scaling engine used to upscale lower-resolution content to the projector’s native resolution.

Color Wheel Speed (for DLP)

What is the color wheel speed of this projector?

75 Optoma HD146X 0 Votes 6x

76 Optoma HD28e 0 Votes 6x

Optoma HD146X
vs
Optoma HD28e
Color Wheel Speed (for DLP)

Both the Optoma HD146X and HD28e have a Color Wheel Speed of 6x for their DLP systems, standardizing color processing speed and reducing rainbow effects similarly.

Defines the rotational speed of the DLP color wheel, affecting color accuracy and rainbow artifact reduction.

Image Processor Type

What is the image processor type?

25 Optoma HD146X 0 Votes Standard

26 Optoma HD28e 0 Votes Standard

Optoma HD146X
Optoma HD146X

The image processor type is standard, balancing performance and cost without advanced AI enhancements.

Specifies the processing engine that handles color, scaling, and image optimization.

Color Calibration Profiles

What color calibration profiles are available?

68 Optoma HD146X 0 Votes sRGB, Rec709, Cinema, Game

69 Optoma HD28e 0 Votes sRGB, Rec709, Cinema, Game

Optoma HD28e
Optoma HD28e

Includes color calibration profiles such as sRGB, Rec709, Cinema, and Game for optimized color performance across different viewing needs.

Predefined settings for accurate color reproduction.

Black Level Enhancement

Does this projector include black level enhancement?

Yes 0 Votes Optoma HD146X

Yes 0 Votes Optoma HD28e

Optoma HD146X
Optoma HD146X

Black level enhancement improves image contrast, enabling deeper blacks and better detail in shadow areas.

Deepens dark scenes for improved shadow detail.

Image Processing Bit Depth

What is the image processing bit depth?

8 bit 0 Votes
Optoma HD146X
8 bit 0 Votes
Optoma HD28e

Indicates color precision and gradient smoothness.

Auto Color Correction

Does this projector have auto color correction?

No 0 Votes Optoma HD146X

No 0 Votes Optoma HD28e

Automatically adjusts colors for the best image quality.

Gamma Adjustment Levels

How many gamma adjustment levels are available?

64 Optoma HD146X 0 Votes Multiple presets

24 Optoma HD28e 0 Votes Multiple

Controls mid-tone brightness for accurate contrast.

White Balance Control

Does this projector include white balance control?

Yes 0 Votes Optoma HD146X

Yes 0 Votes Optoma HD28e

Allows tuning of color balance for accurate whites.

Smart Features & Software 12

Built-In Streaming Apps

What built-in streaming apps are available?

Who knows? 0 Votes Optoma HD146X (Help us out by suggesting one!)

Who knows? 0 Votes Optoma HD28e (Help us out by suggesting one!)

Lists available preinstalled streaming services.

Voice Control

Does this projector support voice control?

No 0 Votes Optoma HD146X

No 0 Votes Optoma HD28e

Optoma HD146X
vs
Optoma HD28e
Voice Control

Neither the Optoma HD146X nor the HD28e supports Voice Control features, so control is manual or via remote only.

Enables hands-free control using supported voice assistants.

Screen Mirroring Standard

What screen mirroring standard does this projector support?

Who knows? 0 Votes Optoma HD146X (Help us out by suggesting one!)

Who knows? 0 Votes Optoma HD28e (Help us out by suggesting one!)

Specifies which standard is used for mirroring devices.

Bluetooth Version

What is the Bluetooth version?

Who knows? 0 Votes Optoma HD146X (Help us out by suggesting one!)

Who knows? 0 Votes Optoma HD28e (Help us out by suggesting one!)

Indicates the Bluetooth protocol version for audio and accessories.

Wi-Fi Band Support

What Wi-Fi bands does this projector support?

Who knows? 0 Votes Optoma HD146X (Help us out by suggesting one!)

Who knows? 0 Votes Optoma HD28e (Help us out by suggesting one!)

Indicates the supported wireless frequency bands.

Operating System Type

What is the operating system type?

5 Optoma HD146X 0 Votes No OS

6 Optoma HD28e 0 Votes No OS

Optoma HD28e
Optoma HD28e

The device does not have a built-in operating system, so it relies on external sources for streaming or smart capabilities.

Specifies the software platform the projector runs on.

Software Update Method

What is the software update method?

65 Optoma HD146X 0 Votes USB

66 Optoma HD28e 0 Votes USB

Optoma HD28e
Optoma HD28e

Software updates can be performed via USB, facilitating firmware upgrades and feature improvements.

Describes how firmware updates are applied.

App Store Support

Does this projector support an app store?

No 0 Votes Optoma HD146X

No 0 Votes Optoma HD28e

Indicates support for downloading apps directly to the projector.

AI Auto Image Optimization

Does this projector include AI auto image optimization?

No 0 Votes Optoma HD146X

No 0 Votes Optoma HD28e

Automatically enhances image settings using AI.

Wireless Casting

Does this projector support wireless casting?

No 0 Votes Optoma HD146X

No 0 Votes Optoma HD28e

Indicates compatibility with casting protocols like Chromecast or AirPlay.

Smart Calibration

Does this projector support smart calibration?

No 0 Votes Optoma HD146X

No 0 Votes Optoma HD28e

Indicates whether calibration can be optimized automatically or via app.

On-Device Storage Capacity

What is the on-device storage capacity?

Who knows? 0 Votes Optoma HD146X (Help us out by suggesting one!)

Who knows? 0 Votes Optoma HD28e (Help us out by suggesting one!)

Amount of internal memory available for apps and media.

Connectivity & I/O Ports 14

RS-232 Port

Does this projector include an RS-232 port?

Yes 1 Votes Optoma HD146X

No 0 Votes Optoma HD28e

Optoma HD146X
vs
Optoma HD28e
RS-232 Port

The Optoma HD146X includes an RS-232 Port while the HD28e does not, making the HD146X more suitable for advanced home automation setups requiring RS-232 control.

Indicates support for professional control and automation systems.

Having an RS-232 port is a big plus for me in the HD146X since the HD28e doesn’t have it. Professional setups love this.

See more

Audio Out Port Type

What type of audio out port does this projector have?

15 Optoma HD146X 0 Votes 3.5mm

16 Optoma HD28e 0 Votes 3.5mm

Optoma HD146X
vs
Optoma HD28e
Audio Out Port Type

Both Optoma HD146X and HD28e come with a 3.5mm Audio Out Port Type, allowing connection to external audio systems similarly.

Indicates available audio output interfaces.

VGA Port

Does this projector support VGA input?

Who knows? 0 Votes Optoma HD146X (Help us out by suggesting one!)

Who knows? 0 Votes Optoma HD28e (Help us out by suggesting one!)

Optoma HD146X
vs
Optoma HD28e
VGA Port

The VGA Port is not available on the Optoma HD146X and information is unavailable for the HD28e, so VGA connectivity is not a standard feature on these models.

Indicates presence of a VGA input for legacy devices.

AV Composite Input

Does this projector offer AV composite input?

No 0 Votes Optoma HD146X

No 0 Votes Optoma HD28e

Optoma HD146X
vs
Optoma HD28e
AV Composite Input

Both projectors lack AV Composite Input, indicating neither is optimized for legacy composite video sources.

Indicates whether composite video input is available.

SD Card Slot

Does this projector support an SD card slot?

No 0 Votes Optoma HD146X

No 0 Votes Optoma HD28e

Optoma HD146X
vs
Optoma HD28e
SD Card Slot

Neither Optoma HD146X nor HD28e includes an SD Card Slot, so neither supports playback directly from SD cards.

Indicates ability to read media directly from SD cards.

HDMI Ports Count

How many HDMI ports does this projector have?

62 Optoma HD146X 0 Votes 2

63 Optoma HD28e 0 Votes 2

Optoma HD146X
Optoma HD146X

It has 2 HDMI ports, enabling multiple direct connections to gaming consoles, Blu-ray players, or streaming devices.

Optoma HD28e
Optoma HD28e

Includes two HDMI ports, making it easy to connect various external devices simultaneously.

Number of HDMI inputs available for digital video and audio.

Wireless Input Lag

What is the wireless input lag?

16 ms 0 Votes
Optoma HD146X
0 ms 0 Votes
Optoma HD28e

Optoma HD146X
Optoma HD146X

Wireless input lag is also 16 milliseconds, ensuring similar responsiveness for wireless sources compared to wired connections.

Optoma HD28e
Optoma HD28e

Has zero wireless input lag which means it is not designed for wireless gaming or inputs that demand minimal delay.

Measures latency when receiving content wirelessly.

Wired Input Lag

What is the wired input lag?

16 ms 0 Votes
Optoma HD146X
16 ms 0 Votes
Optoma HD28e

Optoma HD146X
Optoma HD146X

The wired input lag of 16 milliseconds indicates relatively low latency, beneficial for gaming responsiveness.

Measures latency over wired connections, important for gaming.

HDMI Version

What HDMI version does this projector support?

25 Optoma HD146X 0 Votes 1.4

76 Optoma HD28e 0 Votes 2.0

Specifies the supported HDMI standard.

USB Ports Count

How many USB ports does this projector have?

55 Optoma HD146X 0 Votes 1

56 Optoma HD28e 0 Votes 1

Indicates how many USB ports are available.

USB Type Support

What USB types are supported?

35 Optoma HD146X 0 Votes USB-A

36 Optoma HD28e 0 Votes USB-A

Defines the supported USB standards and connector types.

Ethernet Port

Does this projector support Ethernet?

No 0 Votes Optoma HD146X

No 0 Votes Optoma HD28e

Indicates whether wired internet connectivity is available.

Audio System 9

Speaker Output Power

What is the speaker output power?

3 Watt 0 Votes
Optoma HD146X
10 Watt 1 Votes
Optoma HD28e

Optoma HD146X
vs
Optoma HD28e
Speaker Output Power

The Speaker Output Power is 3 Watts for the Optoma HD146X compared to 10 Watts for the HD28e, indicating the HD28e delivers substantially louder built-in audio.

Indicates total audio power from built-in speakers.

I’m all about sound so the HD28e's 10-watt speakers totally win for me compared to the quieter 3-watts in the HD146X.

See more

Audio Processing Type

What type of audio processing does this projector use?

25 Optoma HD146X 0 Votes Standard

26 Optoma HD28e 0 Votes Standard

Optoma HD146X
vs
Optoma HD28e
Audio Processing Type

Audio Processing Type is Standard on both Optoma HD146X and HD28e, so audio quality and processing are comparable.

Defines the audio enhancement engine used to improve clarity, bass response, and spatial sound.

Dolby Audio

Does this projector support Dolby audio?

Yes 0 Votes Optoma HD146X

No 0 Votes Optoma HD28e

Optoma HD146X
vs
Optoma HD28e
Dolby Audio

Dolby Audio support is offered on the Optoma HD146X but not on the HD28e, meaning the HD146X can provide enhanced audio decoding quality.

Determines whether the projector supports Dolby audio formats.

Bluetooth Audio Output

Does this projector support Bluetooth audio output?

No 0 Votes Optoma HD146X

No 0 Votes Optoma HD28e

Optoma HD146X
vs
Optoma HD28e
Bluetooth Audio Output

Bluetooth Audio Output is not supported on either the Optoma HD146X or HD28e, limiting wireless audio transmission options.

Allows wireless output to speakers or headphones.

Microphone Input

Does this projector support microphone input?

No 0 Votes Optoma HD146X

No 0 Votes Optoma HD28e

Optoma HD146X
vs
Optoma HD28e
Microphone Input

Neither Optoma HD146X nor HD28e has Microphone Input, so voice input or audio recording capabilities are not supported.

Indicates whether microphones can be connected for presentations or karaoke.

Sound Modes

What sound modes are available?

82 Optoma HD146X 0 Votes Movie, Game

84 Optoma HD28e 0 Votes Movie, Music, Game

Optoma HD28e
Optoma HD28e

Contains preset sound modes optimized for movie watching, music listening, and gaming to enhance audio output in differing scenarios.

Preset audio profiles optimized for different content.

Speaker Configuration

What is the speaker configuration?

35 Optoma HD146X 0 Votes Mono

36 Optoma HD28e 0 Votes Mono

Describes the speaker layout inside the projector.

DTS Audio

Does this projector support DTS audio?

No 0 Votes Optoma HD146X

No 0 Votes Optoma HD28e

Indicates whether DTS audio decoding is available.

Fan Noise Level

What is the fan noise level?

26 dB 0 Votes
Optoma HD146X
29 dB 0 Votes
Optoma HD28e

Measures ambient noise from the projector fan.

Controls & User Interface 11

Auto Source Detection

Does this projector support auto source detection?

Yes 0 Votes Optoma HD146X

Yes 0 Votes Optoma HD28e

Optoma HD146X
vs
Optoma HD28e
Auto Source Detection

Both Optoma HD146X and HD28e feature Auto Source Detection, facilitating easy input switching without manual selection.

Detects active inputs automatically.

Input Switching Speed

What is the input switching speed?

2 second 1 Votes
Optoma HD146X
3 second 0 Votes
Optoma HD28e

Optoma HD146X
vs
Optoma HD28e
Input Switching Speed

Input Switching Speed is faster on the Optoma HD146X at 2 seconds versus 3 seconds on the HD28e, meaning quicker source changes on the HD146X.

Time required to change from one input to another.

Input switching speed is way faster on the HD146X, which makes a difference if you’re changing devices a lot.

See more

Remote Control Type

What type of remote control is included?

15 Optoma HD146X 0 Votes Standard

16 Optoma HD28e 0 Votes Standard

Optoma HD146X
vs
Optoma HD28e
Remote Control Type

Both projectors use a Standard Remote Control Type, so remote usability is expected to be similar.

Defines the style and capability of the included remote.

On-Screen Menu Features

What on-screen menu features does this projector offer?

83 Optoma HD146X 0 Votes Advanced Settings, Picture Wizard

86 Optoma HD28e 0 Votes Quick Settings, Advanced Settings, Icon-Based Menu

Optoma HD146X
vs
Optoma HD28e
On-Screen Menu Features

On-Screen Menu Features include Advanced Settings and Picture Wizard on the HD146X, while the HD28e adds Quick Settings and Icon-Based Menu, indicating the HD28e has a more modern and intuitive menu system.

Describes navigational and functional features available inside the on-screen display (OSD) menu.

Control Panel Type

What is the control panel type?

25 Optoma HD146X 0 Votes Buttons

26 Optoma HD28e 0 Votes Buttons

Indicates the type of on-device control interface.

Backlit Remote

Does this projector include a backlit remote?

No 0 Votes Optoma HD146X

No 0 Votes Optoma HD28e

Indicates whether the remote supports backlighting for dark rooms.

Custom Preset Modes

Does this projector allow custom preset modes?

Yes 0 Votes Optoma HD146X

Yes 0 Votes Optoma HD28e

Indicates whether image or sound presets can be saved by the user.

Programmable Buttons

Does this projector include programmable buttons?

No 0 Votes Optoma HD146X

No 0 Votes Optoma HD28e

Determines whether the projector or remote includes assignable hotkeys.

Indicator Light Controls

Does this projector support indicator light controls?

No 0 Votes Optoma HD146X

No 0 Votes Optoma HD28e

Allows dimming or disabling LED indicator lights.

Parental Control Features

Does this projector include parental control features?

No 0 Votes Optoma HD146X

No 0 Votes Optoma HD28e

Indicates whether parental restrictions or PIN locks are available.

Power & Electrical 12

Power Consumption Normal Mode

What is the power consumption in normal mode?

240 Watt 0 Votes
Optoma HD146X
225 Watt 0 Votes
Optoma HD28e

Optoma HD146X
vs
Optoma HD28e
Power Consumption Normal Mode

Power Consumption in Normal Mode is 240 Watts for the Optoma HD146X and 225 Watts for the HD28e, suggesting the HD146X consumes slightly more power during use.

Average power usage while running at full performance.

Standby Power

What is the standby power consumption?

0.5 Watt 0 Votes
Optoma HD146X
0.5 Watt 0 Votes
Optoma HD28e

Optoma HD146X
vs
Optoma HD28e
Standby Power

Standby Power consumption is the same for both at 0.5 Watts, reflecting similar energy use in standby mode.

Power consumed when the projector is not active but still plugged in.

Input Voltage Range

What is the input voltage range?

85 Optoma HD146X 0 Votes 100–240V

90 Optoma HD28e 0 Votes 100–240V AC

Optoma HD146X
vs
Optoma HD28e
Input Voltage Range

The Input Voltage Range for the Optoma HD146X is 100–240V and for the HD28e is 100–240V AC, both designed for wide compatibility with global power standards.

Supported voltage range for safe operation.

Surge Protection

Does this projector include surge protection?

No 0 Votes Optoma HD146X

No 0 Votes Optoma HD28e

Optoma HD146X
vs
Optoma HD28e
Surge Protection

Neither Optoma HD146X nor HD28e offers Surge Protection, so external surge protectors are advisable for both.

Indicates whether built-in surge protection is included.

Power Efficiency Rating

What is the power efficiency rating?

0 Optoma HD146X 0 Votes None

0 Optoma HD28e 0 Votes None

Optoma HD146X
vs
Optoma HD28e
Power Efficiency Rating

Power Efficiency Rating is None for both projectors, indicating no special energy efficiency certifications.

Describes the energy efficiency certification.

Power Supply Type

What is the power supply type?

95 Optoma HD146X 0 Votes Internal

0 Optoma HD28e 0 Votes Standard

Optoma HD146X
Optoma HD146X

It uses an internal power supply, simplifying plug-and-play setup without external adapters.

Optoma HD28e
Optoma HD28e

Utilizes a standard type power supply which is commonly found and easily replaceable if needed.

Indicates whether the power supply is built-in or external.

Power Cord Length

What is the power cord length?

6 ft 0 Votes
Optoma HD146X
6 ft 0 Votes
Optoma HD28e

Optoma HD146X
Optoma HD146X

The included power cord length is 6 feet (1.83 meters), sufficient for most standard power outlet distances.

Optoma HD28e
Optoma HD28e

Comes with a 6-foot (approximately 1.83 meter) power cord length, offering convenience in placement relative to power outlets.

Length of included power cable.

Heat Output

What is the heat output?

819 BTU 0 Votes
Optoma HD146X
767 BTU 0 Votes
Optoma HD28e

Optoma HD146X
Optoma HD146X

Heat output is 819 BTU (approximately 0.24 kW), a useful figure for assessing cooling needs in enclosed spaces.

Optoma HD28e
Optoma HD28e

Heat output is 767 BTU, which converts to approximately 0.225 kW, indicating the thermal energy dissipated during operation.

Measures emitted heat during operation.

Thermal Control Technology

What thermal control technology does this projector use?

35 Optoma HD146X 0 Votes Standard Cooling

36 Optoma HD28e 0 Votes Standard Cooling

Optoma HD28e
Optoma HD28e

Uses standard cooling technology for thermal management, ensuring reliable temperature control during operation.

Defines the system used to manage heat and maintain safe operating temperatures.

Operating Power Frequency

What is the operating power frequency?

60 Hz 0 Votes
Optoma HD146X
50 Hz 0 Votes
Optoma HD28e

Optoma HD28e
Optoma HD28e

Operates on a power frequency of 50 Hz, compatible with standard electrical supply frequencies in many regions.

Indicates supported AC frequency.

Power Consumption Eco Mode

What is the power consumption in eco mode?

185 Watt 0 Votes
Optoma HD146X
193 Watt 0 Votes
Optoma HD28e

Reduced power usage when operating in eco mode.

Power-On Time

What is the power-on time?

30 second 0 Votes
Optoma HD146X
30 second 0 Votes
Optoma HD28e

Time required for the projector to turn on and display an image.

Physical & Dimensions 17

Package Depth

What is the package depth?

13 inch 0 Votes
Optoma HD146X
13 inch 0 Votes
Optoma HD28e

Optoma HD146X
vs
Optoma HD28e
Package Depth

Package Depth is identical at 13 inches for both projectors, reflecting similar packaging size for shipping or storage.

Depth of the boxed projector.

Mounting Type

What is the mounting type?

43 Optoma HD146X 0 Votes Tabletop, Ceiling

36 Optoma HD28e 0 Votes Tabletop

Optoma HD146X
vs
Optoma HD28e
Mounting Type

The Optoma HD146X supports Tabletop and Ceiling Mounting Types, whereas the HD28e supports Tabletop only, making the HD146X more versatile in installation options.

Describes available mounting configurations.

Width

What is the width of the projector?

12.44 inch 0 Votes
Optoma HD146X
9.61 inch 0 Votes
Optoma HD28e

Optoma HD146X
vs
Optoma HD28e
Width

The Width of the Optoma HD146X is 12.44 inches compared to 9.61 inches for the HD28e, so the HD146X is wider while the HD28e is deeper, leading to different overall footprints.

Physical width of the projector body.

Ceiling Mount Compatibility

Is the projector compatible with ceiling mounting?

Yes 0 Votes Optoma HD146X

Yes 0 Votes Optoma HD28e

Optoma HD146X
vs
Optoma HD28e
Ceiling Mount Compatibility

Ceiling Mount Compatibility is confirmed Yes on both the Optoma HD146X and HD28e, allowing ceiling installation for both models.

Indicates whether the projector supports ceiling mounting.

Depth

What is the depth of the projector?

9.61 inch 0 Votes
Optoma HD146X
12.44 inch 0 Votes
Optoma HD28e

Optoma HD146X
vs
Optoma HD28e
Depth

Depth of the Optoma HD146X is 9.61 inches, whereas the HD28e is deeper at 12.44 inches, making the HD146X more compact in depth.

Physical depth measurement.

Weight

What is the weight of the projector?

6.17 lbs 0 Votes
Optoma HD146X
5.51 lbs 0 Votes
Optoma HD28e

Optoma HD146X
Optoma HD146X

The projector weighs 6.17 lbs (2.8 kg), making it moderately portable for home theater or gaming setups.

Optoma HD28e
Optoma HD28e

The projector weighs 5.51 lbs (approximately 2.5 kg), making it portable enough for easy setup and transport.

Total weight of the projector.

Height

What is the height of the projector?

4.25 inch 0 Votes
Optoma HD146X
4.25 inch 0 Votes
Optoma HD28e

Optoma HD146X
Optoma HD146X

Height of the projector is 4.25 inches (10.8 cm), allowing it to fit compactly in most home theater arrangements.

Vertical size of the projector body.

Package Width

What is the package width?

15 inch 0 Votes
Optoma HD146X
15 inch 0 Votes
Optoma HD28e

Optoma HD146X
Optoma HD146X

Package width is 15 inches (38.1 cm), relevant for transportation and storage.

Width of the boxed projector.

Package Height

What is the package height?

6 inch 0 Votes
Optoma HD146X
7 inch 0 Votes
Optoma HD28e

Optoma HD146X
Optoma HD146X

Package height measures 6 inches (15.2 cm), an important dimension for storage and shipping.

Height of the boxed projector.

Body Ventilation Design

What is the body ventilation design of this projector?

70 Optoma HD146X 0 Votes Side Vent

71 Optoma HD28e 0 Votes Side Vent

Optoma HD28e
Optoma HD28e

Designed with side ventilation for heat dissipation, helping maintain optimal operating temperature and device longevity.

Describes the airflow layout used to cool the internal components.

Folded Width

What is the folded width?

Who knows? 0 Votes Optoma HD146X (Help us out by suggesting one!)

Who knows? 0 Votes Optoma HD28e (Help us out by suggesting one!)

Width when the projector or components are folded (if applicable).

Folded Depth

What is the folded depth?

Who knows? 0 Votes Optoma HD146X (Help us out by suggesting one!)

Who knows? 0 Votes Optoma HD28e (Help us out by suggesting one!)

Folded depth measurement.

Environmental Conditions 10

Operating Temperature Minimum

What is the minimum operating temperature?

41 °F 0 Votes
Optoma HD146X
41 °F 0 Votes
Optoma HD28e

Optoma HD146X
vs
Optoma HD28e
Operating Temperature Minimum

The minimum Operating Temperature for both projectors is 41°F, so they share the same cold start environmental limitation.

Minimum safe temperature at which the projector can operate.

Operating Humidity Range

What is the operating humidity range?

80 Optoma HD146X 0 Votes 10–85% non-condensing

81 Optoma HD28e 0 Votes 10–85% non-condensing

Optoma HD146X
vs
Optoma HD28e
Operating Humidity Range

Operating Humidity Range for the Optoma HD146X is 10–85% non-condensing and the same for the HD28e, providing comparable operating environment humidity tolerance.

Acceptable humidity levels for proper operation.

Dust Resistance Rating

What is the dust resistance rating?

45 Optoma HD146X 0 Votes Basic

46 Optoma HD28e 0 Votes Basic

Optoma HD146X
vs
Optoma HD28e
Dust Resistance Rating

Both the Optoma HD146X and HD28e have a Basic Dust Resistance Rating, meaning similar susceptibility to dust with minimal protective features.

Indicates how well the projector resists dust intrusion.

Eco Mode Power Reduction Percentage

What is the eco mode power reduction percentage?

23 % 0 Votes
Optoma HD146X
14 % 0 Votes
Optoma HD28e

Optoma HD146X
vs
Optoma HD28e
Eco Mode Power Reduction Percentage

Eco Mode Power Reduction Percentage is higher on the Optoma HD146X at 23% compared to 14% on the HD28e, meaning the HD146X is more efficient in eco mode energy savings.

Amount of power saved when using eco mode.

Storage Humidity Range

What is the storage humidity range?

60 Optoma HD146X 0 Votes 10–85% non-condensing

66 Optoma HD28e 0 Votes 5–95% non-condensing

Optoma HD146X
vs
Optoma HD28e
Storage Humidity Range

The Storage Humidity Range for the Optoma HD146X is 10–85% non-condensing compared to a wider 5–95% for the HD28e, indicating the HD28e tolerates more humid storage conditions.

Humidity levels tolerated during storage.

Operating Temperature Maximum

What is the maximum operating temperature?

104 °F 0 Votes
Optoma HD146X
95 °F 0 Votes
Optoma HD28e

Optoma HD146X
Optoma HD146X

This projector operates safely up to a maximum temperature of 104 °F (40 °C), which is typical for indoor electronic devices, ensuring reliable performance in warm environments.

Optoma HD28e
Optoma HD28e

Can operate safely at temperatures up to 95°F (approximately 35°C), which covers typical indoor usage conditions.

Maximum safe temperature for normal operation.

Storage Temperature Minimum

What is the minimum storage temperature?

-4 °F 0 Votes
Optoma HD146X
-4 °F 0 Votes
Optoma HD28e

Optoma HD28e
Optoma HD28e

Can be stored at temperatures as low as -4°F (approximately -20°C) without damage, allowing for safe transport and storage in cold environments.

Minimum safe temperature for storing the projector.

Storage Temperature Maximum

What is the maximum storage temperature?

140 °F 0 Votes
Optoma HD146X
140 °F 0 Votes
Optoma HD28e

Optoma HD146X
Optoma HD146X

The maximum storage temperature is set at 140 °F (60 °C), indicating the projector can be safely stored in environments up to this high temperature without damage.

Maximum temperature the projector can handle when stored.

Light Spill Control

Does this projector have light spill control?

No 0 Votes Optoma HD146X

No 0 Votes Optoma HD28e

Indicates measures used to contain unwanted light scatter.

Outdoor Use

Does this projector support outdoor use?

No 0 Votes Optoma HD146X

No 0 Votes Optoma HD28e

Specifies whether the projector is designed for outdoor environments.

Accessories & Warranty 8

Extended Warranty

Does this projector support extended warranty options?

Yes 0 Votes Optoma HD146X

Yes 0 Votes Optoma HD28e

Optoma HD146X
vs
Optoma HD28e
Extended Warranty

Extended Warranty is available for both Optoma HD146X and HD28e, providing customers with additional protection options.

Indicates whether users can purchase extended warranty coverage.

Remote Control Battery Type

What battery type does the remote control use?

25 Optoma HD146X 0 Votes AAA

36 Optoma HD28e 0 Votes AA

Optoma HD146X
vs
Optoma HD28e
Remote Control Battery Type

The Remote Control Battery Type for the Optoma HD146X is AAA, whereas the HD28e uses AA batteries, which may affect battery life and replacement costs.

Specifies the battery type required for the remote.

Power Cable Type

What type of power cable is included?

75 Optoma HD146X 0 Votes 3-Prong

76 Optoma HD28e 0 Votes 3-Prong

Optoma HD146X
vs
Optoma HD28e
Power Cable Type

Both projectors use a 3-Prong Power Cable Type, indicating standard power connectivity.

Describes the style of the included power cable.

Quick-Start Guide

Is a quick-start guide included?

Yes 0 Votes Optoma HD146X

Yes 0 Votes Optoma HD28e

Optoma HD146X
vs
Optoma HD28e
Quick-Start Guide

A Quick-Start Guide is included with both the Optoma HD146X and HD28e for initial setup assistance.

Indicates whether a printed or digital quick-start guide is provided.

Service Availability Region

What is the service availability region?

85 Optoma HD146X 0 Votes Global

86 Optoma HD28e 0 Votes Global

Optoma HD146X
vs
Optoma HD28e
Service Availability Region

Service Availability Region for both Optoma HD146X and HD28e is Global, ensuring worldwide support and warranty service.

Specifies the regions where service and repairs are supported.

Included Accessories

What accessories are included with the projector?

55 Optoma HD146X 0 Votes Remote, Power Cable

74 Optoma HD28e 0 Votes Remote, HDMI Cable

Optoma HD146X
Optoma HD146X

Included accessories are a Remote and a Power Cable, covering the essentials for operation.

Lists the accessories that come in the box.

Replacement Lamp Model

What replacement lamp model is supported?

45 Optoma HD146X 0 Votes Standard Lamp

46 Optoma HD28e 0 Votes Standard Lamp

Optoma HD28e
Optoma HD28e

This model uses a standard lamp as its light source, which is typical for traditional projection technology and provides a balance between brightness and lamp life.

Defines the type or class of replacement lamp or light module compatible with the projector.

Warranty Duration

What is the warranty duration?

25 Optoma HD146X 0 Votes 1 year

26 Optoma HD28e 0 Votes 1 year

The length of the included manufacturer warranty.

Surveys

Because hot takes deserve votes.

Performance

How would you rate the performance of this projector in terms of brightness and picture quality?

Excellent picture quality — 3000+ lumens, sharp 4K resolution
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e
Very good picture quality — 2000 to 3000 lumens, crisp 1080p resolution
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e
Good picture quality — 1000 to 2000 lumens, clear HD resolution
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e
Average picture quality — 500 to 1000 lumens, decent clarity
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e
Poor picture quality — Under 500 lumens, blurry or washed-out image
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e

Ease of Setup

How would you rate the ease of setup for this projector?

Extremely easy — Set up in under 10 minutes, no technical knowledge needed
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e
Very easy — Setup within 15 minutes, minimal adjustments
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e
Easy — Takes about 20 minutes, some minor adjustments
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e
Moderate — Requires about 30 minutes, some technical adjustments
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e
Difficult — Takes more than 30 minutes, complicated setup
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e

Noise Level

How would you rate the noise level of this projector during operation?

Very quiet — Less than 20 dB, almost inaudible
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e
Quiet — 20 to 30 dB, noticeable but not distracting
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e
Moderate — 30 to 40 dB, some background noise
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e
Loud — 40 to 50 dB, noticeable and can be distracting
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e
Very loud — Over 50 dB, disruptive during viewing
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e

Design and Aesthetics

How would you rate the design and aesthetics of this projector?

Sleek and modern — Stylish and visually appealing, blends well in any setting
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e
Very attractive — Nice design, fits well with most decor
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e
Average design — Functional but not visually striking
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e
Plain — Simple design, not much appeal
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e
Unattractive — Bulky and outdated design
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e

Durability and Build Quality

How would you rate the durability and build quality of this projector?

Extremely durable — Built to last for years with high-quality materials
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e
Very durable — Solid construction, likely to last long with regular use
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e
Good durability — Sturdy but may show signs of wear over time
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e
Average durability — Can withstand some use but may wear down faster
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e
Poor durability — Flimsy build, likely to break or degrade quickly
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e

Connectivity Options

How would you rate the connectivity options of this projector?

Excellent connectivity — Multiple HDMI, wireless, USB, and streaming options
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e
Very good connectivity — HDMI and wireless, plus additional ports
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e
Good connectivity — HDMI and USB, wireless might be limited
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e
Fair connectivity — Basic HDMI and limited additional ports
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e
Poor connectivity — Limited or no HDMI, minimal connectivity options
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e

Lamp Life

How would you rate the lamp life of this projector?

Very long life — 15,000 hours or more, lasts for years with regular use
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e
Long life — 10,000 to 15,000 hours, will last a long time
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e
Average life — 5,000 to 10,000 hours, typical for many projectors
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e
Short life — 2,000 to 5,000 hours, may need replacement sooner
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e
Very short life — Under 2,000 hours, requires frequent bulb replacements
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e

Smart Features and App Integration

How would you rate the smart features and app integration of this projector?

Excellent — Fully integrated with apps, smart home control, and streaming services
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e
Very good — Supports streaming and some smart features, easy to use
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e
Good — Basic smart features like streaming, but limited app control
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e
Fair — Some smart features, but difficult to use or limited in functionality
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e
Poor — No smart features or app integration available
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e

Pricing

How would you rate the pricing for this projector?

Great value for money — Offers high-end features at an affordable price
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e
Pretty good price — Fair pricing considering the features and performance
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e
Fair deal — Reasonable price for average performance
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e
Kinda pricey — More expensive than expected for the features offered
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e
Crazy expensive — Overpriced compared to other options with similar features
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e

Remote Control Usability

How would you rate the usability of this projector's remote control?

Extremely user-friendly — Buttons are well-organized, easy to navigate
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e
Very easy to use — Simple layout, intuitive design
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e
Moderately easy to use — Somewhat confusing, but usable with practice
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e
Difficult to use — Poor layout, difficult to understand controls
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e
Unusable — Remote is complicated, not responsive, or lacks key features
0 Votes
Optoma HD146X
0 Votes
Optoma HD28e

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