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ULTIMEA Poseidon E100 Review | 85 Data compared

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  • Avg. price in UK: ~£750
  • Avg. price in US: ~$800
  • ANSI lumens: 1800
  • Native panel resolution: 1920x1080
  • Throw ratio: 1.2:1

ULTIMEA Poseidon E100 review. Compare 85 technical specifications and user reviews to see how it ranks among projectors and if it is worth buying.

6.9

Overall score

What it is: An overall evaluation of the projector's quality, based on technical analyses and user reviews.

When it matters: When you need a quick reference to identify the best projectors on the market.

Score components:

90.0%

6.9

Technical Score

10.0%

7.3

User score

Good
6.9

Technical Score

What it is: An assessment of the projector's technical performance, covering eight key areas: image quality, brightness, contrast, connectivity, gaming features, smart features, audio, and design.

When it matters: When you want to compare projectors based on technical performance and available features.

Score components:

42.0%

6.2

Image Quality

22.0%

6.5

Projection & Lens

12.0%

7.8

HDMI & Gaming

10.0%

7.6

Audio & Features

8.0%

8.2

Connectivity

6.0%

7.6

Design & Power

Good
7.3

User score

What it is: A rating that combines user reviews and the total number of reviews received by the projector.

When it matters: When you want to know how a projector performs in real use and how reliable it remains over time according to user feedback.

Score components:

70.0%

10

User reviews

30.0%

1.0

Popularity

User score:
United Kingdom
amazon
5.0
(1)

(Reviews last updated: June 2026)

Very good
  • 6.8
    Gaming

    Score components:

    35.0%

    ?

    Input lag

    25.0%

    1.0

    Refresh rate

    20.0%

    8.6

    Output Resolution

    10.0%

    10

    HDR10 support

    10.0%

    10

    Audio output power

  • 9.3
    Portable

    Score components:

    35.0%

    9.3

    Weight

    20.0%

    ?

    Has A Built-In Speaker

    15.0%

    10

    Bluetooth connectivity

    15.0%

    10

    Wi-Fi connectivity

    15.0%

    10

    Smart TV features

  • 7.0
    Home theatre

    Score components:

    30.0%

    8.6

    Output Resolution

    25.0%

    10

    HDR10 support

    20.0%

    1.0

    Dolby Vision support

    15.0%

    5.1

    ANSI lumens

    10.0%

    10

    Audible noise

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Best prices in UK

Best rankings

?

Available: ranking among products currently available (including other versions of this product).
All: ranking among all products in the database.

Verdict

The Ultimea Poseidon E100 is a high-performance DLP home projector featuring native 1080p resolution with 4K decoding, 1,800 ANSI lumens of brightness, and a 120% DCI-P3 wide colour gamut for exceptional visual fidelity. Key characteristics include its licensed Google TV operating system, 90% brightness uniformity, IP5X-rated dustproof design, and support for active 3D and HDR10/HLG. Main pros include its seamless USPAA setup with 6D auto keystone and real-time autofocus, dual 10W speakers with Dolby Audio, and MEMC technology for smooth motion in fast-paced scenes. However, some cons include a bulky, cube-like design that takes up significant shelf space, the lack of a mechanical lens shift, and limited internal storage of only 8GB.

Technical Specifications of ULTIMEA Poseidon E100

Technical Score

What it is: An assessment of the projector's technical performance, covering eight key areas: image quality, brightness, contrast, connectivity, gaming features, smart features, audio, and design.

When it matters: When you want to compare projectors based on technical performance and available features.

Score components:

42.0%

6.2

Image Quality

22.0%

6.5

Projection & Lens

12.0%

7.8

HDMI & Gaming

10.0%

7.6

Audio & Features

8.0%

8.2

Connectivity

6.0%

7.6

Design & Power

6.9
ULTIMEA Poseidon E100 has a technical score of 6.85 points, which is higher than 78.3% of projectors.
User score

What it is: A rating that combines user reviews and the total number of reviews received by the projector.

When it matters: When you want to know how a projector performs in real use and how reliable it remains over time according to user feedback.

Score components:

70.0%

10

User reviews

30.0%

1.0

Popularity

User score:
United Kingdom
amazon
5.0
(1)

(Reviews last updated: June 2026)

7.3
ULTIMEA Poseidon E100 has a user score of 7.3 points, which is lower than 74.5% of projectors.
Popularity
What it is: An indicator based on the number of reviews received by the projector.
When it matters: When you prefer to buy a product chosen and reviewed by many other consumers.
1.0
ULTIMEA Poseidon E100 has a popularity of 1 points, which is lower than 55.3% of products in this category.
Ratio quality/price

What it is: An indicator that combines the projector's overall rating with its cost.

When it matters: When you are looking for a projector with a good balance between quality and price.

Score components:

60.0%

6.9

Overall score

40.0%

6.6

Price

6.8
ULTIMEA Poseidon E100 has a quality-to-price ratio of 6.8 points, which is higher than 80.3% of products in this category.
ANSI lumens
What it is: Brightness output measured in ANSI lumens.
When it matters: When you watch with ambient light or on a large screen, higher brightness matters.

Importance: HIGH

1,800
ULTIMEA Poseidon E100 reaches 1800 ANSI lumens, dimmer than 60.5% of projectors and equal to 1.8% of projectors.
Contrast ratio
What it is: Ratio of brightest white to darkest black displayed by the projector.
When it matters: When you watch movies in a dark room, stronger contrast matters.

Importance: HIGH

400:1
ULTIMEA Poseidon E100 has a contrast ratio of 400:1, lower than 97.1% of projectors and equal to 1.8% of projectors.
Native panel resolution
What it is: Native resolution of the display panel or imaging device.
When it matters: When picture sharpness matters enough that you want to know the projector's true native imaging resolution, not just supported input formats.

Importance: HIGH

1920x1080
ULTIMEA Poseidon E100 uses a native resolution of 1920x1080, higher than 26.2% of projectors and equal to 60.1% of projectors.
Output Resolution
What it is: The resolution the projector can actually display through its imaging system.
When it matters: When you want to know the actual image detail the projector can put on screen rather than just the source format it accepts.

Importance: HIGH

1920x1080
ULTIMEA Poseidon E100 supports output resolution up to 1920x1080, higher than 24.9% of projectors and equal to 41% of projectors.
Projection technology
What it is: Projection imaging technology used by the projector.
When it matters: When color character, contrast behavior, and overall image personality matter before you compare brightness alone.

Importance: MEDIUM

DLP
Show more
Throw ratio
What it is: Ratio between projection distance and image width.
When it matters: When room size and screen size have to match properly instead of guessing whether the projector will fit the space.

Importance: MEDIUM

1.2:1
Min throw distance
What it is: Minimum distance required between projector and screen.
When it matters: When room depth is limited and you still need a large image from a short placement distance.

Importance: MEDIUM

?
Max projection size
What it is: Maximum supported image size for projection, measured diagonally.
When it matters: When you want a cinema-size picture, maximum projection size matters.

Importance: MEDIUM

300 inch
ULTIMEA Poseidon E100 supports projection sizes up to 300 inch, larger than 51.8% of projectors and equal to 38% of projectors.
Zoom ratio
What it is: Optical zoom capability expressed as a ratio.
When it matters: When projector placement is not ideal and you need optical zoom to frame the image correctly.

Importance: MEDIUM

N/A
Motorized zoom
What it is: Motorized control of the optical zoom function.
When it matters: When the projector position is fixed but screen size or framing still needs to be adjusted from a distance.

Importance: LOW

no
ULTIMEA Poseidon E100 does not have motorized zoom. 16.3% of projectors have motorized zoom.
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Input lag
What it is: Time delay between input signal and displayed image, measured in milliseconds.
When it matters: When gaming responsiveness matters and you want controls to feel more immediate on fast titles.

Importance: MEDIUM

?
Auto low latency mode (ALLM)
What it is: Automatically reduces input lag when gaming.
When it matters: When you play fast games, lower latency matters.

Importance: LOW

?
Variable refresh rate (VRR)
What it is: Support for variable refresh rate to reduce screen tearing.
When it matters: When gaming matters and you want the projector to handle variable frame rates with less tearing or stutter.

Importance: LOW

no
ULTIMEA Poseidon E100 does not support VRR. 1.9% of projectors support VRR.
HDMI version
What it is: Version of the HDMI standard supported.
When it matters: When source devices push newer HDMI features, refresh rates, or bandwidth levels that older ports may limit.

Importance: LOW

2.0
ULTIMEA Poseidon E100 supports HDMI 2.0, more modern than 45.5% of projectors and equal to 36.7% of projectors.
Max HDMI bandwidth
What it is: Maximum bandwidth supported by HDMI inputs, measured in Gbps.
When it matters: When newer consoles, gaming PCs, or media boxes need more HDMI throughput than older projectors can handle.

Importance: LOW

18 Gbps
ULTIMEA Poseidon E100 supports HDMI bandwidth up to 18 Gbps, higher than 48.1% of projectors and equal to 40% of projectors.
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N. of HDMI ports
What it is: Number of available HDMI input ports.
When it matters: When you need a console, streamer, set-top box, and another source connected at the same time without swapping cables.

Importance: LOW

1
ULTIMEA Poseidon E100 has 1 HDMI port/s, fewer than 54.6% of projectors and equal to 42.2% of projectors.
Wi-Fi connectivity
What it is: Support for Wi-Fi network connectivity.
When it matters: When the projector should handle network features, updates, or streaming functions without needing wired Ethernet only.

Importance: LOW

yes
ULTIMEA Poseidon E100 supports Wi-Fi. 47.4% of projectors support Wi-Fi.
Wi-Fi version
What it is: Supported Wi-Fi standard version.
When it matters: When wireless stability and throughput matter for streaming, updates, or projector ecosystem features.

Importance: LOW

Wi-Fi 5 (802.11ac)
ULTIMEA Poseidon E100 supports Wi-Fi 5 (802.11ac), more modern than 55.6% of projectors and equal to 29.2% of projectors.
Bluetooth connectivity
What it is: Support for Bluetooth wireless connectivity.
When it matters: When you plan to pair wireless speakers, headphones, remotes, or other accessories directly with the projector.

Importance: LOW

yes
ULTIMEA Poseidon E100 supports Bluetooth. 50.1% of projectors support Bluetooth.
Bluetooth version
What it is: Supported Bluetooth version.
When it matters: When wireless accessory compatibility and connection quality matter beyond Bluetooth being a simple checkbox.

Importance: LOW

5.3
ULTIMEA Poseidon E100 supports Bluetooth 5.3, more modern than 96.2% of projectors and equal to 1.9% of projectors.
Show more
Smart TV features
What it is: Includes built-in Smart TV functions or operating system.
When it matters: When you prefer built-in apps and streaming convenience instead of adding an external media stick or box.

Importance: LOW

yes
ULTIMEA Poseidon E100 has smart TV features. 56.3% of projectors have smart TV features.
Google TV built in.
Operating system
What it is: The built-in software platform that runs the projector interface, streaming apps, and smart features.
When it matters: When you care about which apps are available, how modern the smart interface feels, and whether the projector includes a built-in streaming platform.

Importance: LOW

Google TV
Android OS

Importance: MEDIUM

no
Dedicated smartphone app
What it is: Availability of a dedicated smartphone control app.
When it matters: When you want setup, input switching, or basic control handled from your phone without always reaching for a remote.

Importance: LOW

no
ULTIMEA Poseidon E100 does not come with a dedicated smartphone app. 35.6% of projectors come with a dedicated smartphone app.
Remote control
What it is: Comes with a dedicated remote control for operation.
When it matters: When you want easier everyday control without extra gear, built-in convenience features matter.

Importance: LOW

yes
ULTIMEA Poseidon E100 includes a remote control. 1.6% of projectors include a remote control.
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Light source type
What it is: Type of light source used by the projector.
When it matters: When maintenance expectations, startup behavior, brightness stability, and long-term running costs all matter in the buying decision.

Importance: LOW

led
ULTIMEA Poseidon E100 uses led light source technology, more advanced than 33.1% of projectors and equal to 39% of projectors.
Laser Light Source
What it is: Whether the projector uses a laser light source instead of a traditional lamp.
When it matters: When lower maintenance, faster startup, and a lamp-free light engine matter over the long term.

Importance: LOW

no
ULTIMEA Poseidon E100 does not use a laser light source. 28.1% of projectors use a laser light source.
Lamp life
What it is: Expected operational lifespan of the lamp in standard mode, measured in hours.
When it matters: When you care about running costs and maintenance intervals, light-source lifespan matters.

Importance: LOW

30,000 hours
ULTIMEA Poseidon E100 offers lamp life of 30000 hours, shorter than 68.9% of projectors and equal to 25.4% of projectors.
Lamp life (eco mode)
What it is: Expected operational lifespan of the lamp in eco mode, measured in hours.
When it matters: When you care about running costs and maintenance intervals, light-source lifespan matters.

Importance: LOW

?
Operating power consumption
What it is: Average power consumption during normal operation.
When it matters: When electricity use and heat output matter because the projector runs for long sessions or frequent daily use.

Importance: LOW

120 W
ULTIMEA Poseidon E100 uses 120 W of power, less than 65.5% of projectors and equal to 2.3% of projectors.
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ULTIMEA Poseidon E100 vs the average projector

  • 20 degrees greater vertical keystone correction
    ULTIMEA Poseidon E100 offers more vertical keystone correction than the average projector (50 degrees degrees vs 30 degrees degrees). The average projector offers 30 degrees degrees of vertical keystone correction.
    What it is: Range of vertical keystone correction supported.
    When it matters: When the projector sits too high or too low relative to the screen and vertical image correction becomes necessary.

    Importance: MEDIUM

    ULTIMEA Poseidon E100 offers more vertical keystone correction than the average projector (50 degrees degrees vs 30 degrees degrees). The average projector offers 30 degrees degrees of vertical keystone correction.50 degrees vs 30 degrees
  • Supports HDR10+
    ULTIMEA Poseidon E100 supports HDR10+, while the average projector does not. 15.6% of projectors support HDR10+.
    What it is: Support for HDR10+ dynamic high dynamic range format.
    When it matters: When you care whether the projector supports dynamic HDR metadata rather than static HDR formats alone.

    Importance: LOW

    ULTIMEA Poseidon E100 supports HDR10+, while the average projector does not. 15.6% of projectors support HDR10+.
  • Supports HDMI ARC
    ULTIMEA Poseidon E100 supports HDMI ARC, while the average projector does not. 36.1% of projectors support HDMI ARC.
    What it is: Support for HDMI ARC to send audio to external devices.
    When it matters: When you use a soundbar, receiver, or speakers, audio output options matter.

    Importance: LOW

    ULTIMEA Poseidon E100 supports HDMI ARC, while the average projector does not. 36.1% of projectors support HDMI ARC.
  • Built-in smart TV features
    ULTIMEA Poseidon E100 has built-in smart TV features, while the average projector does not. 43.7% of projectors have built-in smart TV features.
    Google TV built in.
    What it is: Includes built-in Smart TV functions or operating system.
    When it matters: When you prefer built-in apps and streaming convenience instead of adding an external media stick or box.

    Importance: LOW

    ULTIMEA Poseidon E100 has built-in smart TV features, while the average projector does not. 43.7% of projectors have built-in smart TV features.
  • Built-in Chromecast
    ULTIMEA Poseidon E100 supports built-in Chromecast, while the average projector does not. 27.3% of projectors support built-in Chromecast.
    Google TV certified.
    What it is: Built-in Chromecast support for wireless casting.
    When it matters: When you stream directly from phones, tablets, or laptops, wireless casting matters.

    Importance: LOW

    ULTIMEA Poseidon E100 supports built-in Chromecast, while the average projector does not. 27.3% of projectors support built-in Chromecast.
  • Includes S/PDIF output
    ULTIMEA Poseidon E100 has an S/PDIF output, while the average projector does not. 17.2% of projectors have an S/PDIF output.
    Optical S/PDIF.
    What it is: Presence of an S/PDIF digital audio output.
    When it matters: When you send sound to external audio gear and want a digital output option beyond HDMI ARC or analog audio.

    Importance: LOW

    ULTIMEA Poseidon E100 has an S/PDIF output, while the average projector does not. 17.2% of projectors have an S/PDIF output.
  • Built-in stereo speakers
    ULTIMEA Poseidon E100 has stereo speakers, while the average projector does not. 48.9% of projectors have stereo speakers.
    What it is: Built-in stereo speakers for audio playback.
    When it matters: When casual use should include left-right sound without automatically adding an external audio setup.

    Importance: LOW

    ULTIMEA Poseidon E100 has stereo speakers, while the average projector does not. 48.9% of projectors have stereo speakers.
  • Supports frame interpolation
    ULTIMEA Poseidon E100 supports frame interpolation, while the average projector does not. 39.9% of projectors support frame interpolation.
    What it is: Support for frame interpolation to smooth motion.
    When it matters: When you watch sports or camera pans and want motion to look smoother than basic playback allows.

    Importance: LOW

    ULTIMEA Poseidon E100 supports frame interpolation, while the average projector does not. 39.9% of projectors support frame interpolation.
  • Supports HDR10+
    ULTIMEA Poseidon E100 supports HDR10+, while the average projector does not. 15.6% of projectors support HDR10+.
  • Supports HLG
    ULTIMEA Poseidon E100 supports HLG, while the average projector does not. 42.7% of projectors support HLG.
  • 20 degrees greater vertical keystone correction
    ULTIMEA Poseidon E100 offers more vertical keystone correction than the average projector (50 degrees degrees vs 30 degrees degrees). The average projector offers 30 degrees degrees of vertical keystone correction.
  • 50 inch larger image size
    ULTIMEA Poseidon E100 has a higher projection size than the average projector (300 inch vs 250 inch). The average projector has 250 inch of projection size.
  • Motorized focus
    ULTIMEA Poseidon E100 supports motorized focus, while the average projector does not. 47.2% of projectors support motorized focus.
  • Supports frame interpolation
    ULTIMEA Poseidon E100 supports frame interpolation, while the average projector does not. 39.9% of projectors support frame interpolation.
  • Supports HDMI ARC
    ULTIMEA Poseidon E100 supports HDMI ARC, while the average projector does not. 36.1% of projectors support HDMI ARC.
  • Built-in Chromecast
    ULTIMEA Poseidon E100 supports built-in Chromecast, while the average projector does not. 27.3% of projectors support built-in Chromecast.
  • Includes S/PDIF output
    ULTIMEA Poseidon E100 has an S/PDIF output, while the average projector does not. 17.2% of projectors have an S/PDIF output.
  • Supports AirPlay
    ULTIMEA Poseidon E100 supports AirPlay, while the average projector does not. 41.6% of projectors support AirPlay.
  • Supports Bluetooth
    ULTIMEA Poseidon E100 supports Bluetooth, while the average projector does not. 49.9% of projectors support Bluetooth.
  • 1 more RJ45 ports
    ULTIMEA Poseidon E100 has more RJ45 ports than the average projector (1 vs 0). The average projector has 0 RJ45 ports.
  • Supports Miracast
    ULTIMEA Poseidon E100 supports Miracast, while the average projector does not. 45.1% of projectors support Miracast.
  • Includes memory card slot
    ULTIMEA Poseidon E100 includes an external memory slot, while the average projector does not. 34.9% of projectors include an external memory slot.
  • Built-in smart TV features
    ULTIMEA Poseidon E100 has built-in smart TV features, while the average projector does not. 43.7% of projectors have built-in smart TV features.
  • Built-in stereo speakers
    ULTIMEA Poseidon E100 has stereo speakers, while the average projector does not. 48.9% of projectors have stereo speakers.
  • Supports voice commands
    ULTIMEA Poseidon E100 supports voice commands, while the average projector does not. 37.1% of projectors support voice commands.
  • 2x stronger audio output
    ULTIMEA Poseidon E100 has a higher audio output power than the average projector (20 W vs 10 W). The average projector has 10 W of audio output power.
  • 5 dB quieter operation
    ULTIMEA Poseidon E100 has a lower audible noise than the average projector (25 dB vs 30 dB). The average projector has 30 dB of audible noise.
  • 10,000 hours longer lamp life
    ULTIMEA Poseidon E100 has a higher lamp life than the average projector (30,000 hours vs 20,000 hours). The average projector has 20,000 hours of lamp life.
  • 113.9 W lower power use
    ULTIMEA Poseidon E100 uses less power than the average projector (120 W vs 233.9 W). The average projector uses 233.9 W of power.
  • 112.5 mm narrower width
    ULTIMEA Poseidon E100 is narrower than the average projector (187 mm vs 299.5 mm). The average projector has a width of 299.5 mm.

Total
Overall
Image Quality
Projection & Lens
HDMI & Gaming
Connectivity
Audio & Features
Design & Power
  • Lower contrast ratio
    ULTIMEA Poseidon E100 has a lower contrast ratio than the average projector (400:1 vs 10000:1). The average projector has 10000:1 of contrast ratio.
  • 2 bit lower color depth
    ULTIMEA Poseidon E100 has a lower color depth than the average projector (8 bit vs 10 bit). The average projector has 10 bit of color depth.
  • 29.4% lower refresh rate
    ULTIMEA Poseidon E100 has a lower refresh rate than the average projector (60 Hz vs 85 Hz). The average projector has 85 Hz of refresh rate.
  • No 3D support
    ULTIMEA Poseidon E100 does not support 3D playback, while the average projector does. 55.1% of projectors support 3D playback.
    No supported 3D playback format is stated.
  • 18.2% dimmer image
    ULTIMEA Poseidon E100 has lower ANSI lumens than the average projector (1,800 vs 2,200). The average projector has 2,200 ANSI lumens.
  • Limited HDMI format
    ULTIMEA Poseidon E100 supports a less capable max HDMI input format than the average projector (4K/60Hz vs 4K/120Hz). The average projector supports a max HDMI input format of 4K/120Hz.
  • 1 fewer HDMI ports
    ULTIMEA Poseidon E100 has fewer HDMI ports than the average projector (1 vs 2). The average projector has 2 HDMI ports.
  • No RS-232 control
    ULTIMEA Poseidon E100 does not support RS-232 control, while the average projector does. 52.1% of projectors support RS-232 control.
  • Basic light source
    ULTIMEA Poseidon E100 has Basic light source than the average projector (led vs laser). The average projector uses a laser light source.
  • Lower contrast ratio
    ULTIMEA Poseidon E100 has a lower contrast ratio than the average projector (400:1 vs 10000:1). The average projector has 10000:1 of contrast ratio.
    What it is: Ratio of brightest white to darkest black displayed by the projector.
    When it matters: When you watch movies in a dark room, stronger contrast matters.

    Importance: HIGH

    ULTIMEA Poseidon E100 has a lower contrast ratio than the average projector (400:1 vs 10000:1). The average projector has 10000:1 of contrast ratio.400:1 vs 10,000:1
  • 2 bit lower color depth
    ULTIMEA Poseidon E100 has a lower color depth than the average projector (8 bit vs 10 bit). The average projector has 10 bit of color depth.
    What it is: Number of bits per color channel for color depth.
    When it matters: When you care about accurate tones and refined image quality, color precision matters.

    Importance: LOW

    ULTIMEA Poseidon E100 has a lower color depth than the average projector (8 bit vs 10 bit). The average projector has 10 bit of color depth.8 bit vs 10 bit
  • 1 fewer HDMI ports
    ULTIMEA Poseidon E100 has fewer HDMI ports than the average projector (1 vs 2). The average projector has 2 HDMI ports.
    What it is: Number of available HDMI input ports.
    When it matters: When you need a console, streamer, set-top box, and another source connected at the same time without swapping cables.

    Importance: LOW

    ULTIMEA Poseidon E100 has fewer HDMI ports than the average projector (1 vs 2). The average projector has 2 HDMI ports.1 vs 2
  • Basic light source
    ULTIMEA Poseidon E100 has Basic light source than the average projector (led vs laser). The average projector uses a laser light source.
    What it is: Type of light source used by the projector.
    When it matters: When maintenance expectations, startup behavior, brightness stability, and long-term running costs all matter in the buying decision.

    Importance: LOW

    ULTIMEA Poseidon E100 has Basic light source than the average projector (led vs laser). The average projector uses a laser light source.led vs laser
  • 29.4% lower refresh rate
    ULTIMEA Poseidon E100 has a lower refresh rate than the average projector (60 Hz vs 85 Hz). The average projector has 85 Hz of refresh rate.
    What it is: Number of screen refreshes per second, measured in hertz.
    When it matters: When motion clarity matters for gaming, sports, or fast-moving video instead of slower cinematic content only.

    Importance: MEDIUM

    ULTIMEA Poseidon E100 has a lower refresh rate than the average projector (60 Hz vs 85 Hz). The average projector has 85 Hz of refresh rate.60 Hz vs 85 Hz
  • Limited HDMI format
    ULTIMEA Poseidon E100 supports a less capable max HDMI input format than the average projector (4K/60Hz vs 4K/120Hz). The average projector supports a max HDMI input format of 4K/120Hz.
    What it is: Highest HDMI input format supported by the projector.
    When it matters: When you want to confirm the exact signal format the projector can accept from high-end modern sources.

    Importance: MEDIUM

    ULTIMEA Poseidon E100 supports a less capable max HDMI input format than the average projector (4K/60Hz vs 4K/120Hz). The average projector supports a max HDMI input format of 4K/120Hz.4K/60Hz vs 4K/120Hz
  • No 3D support
    ULTIMEA Poseidon E100 does not support 3D playback, while the average projector does. 55.1% of projectors support 3D playback.
    No supported 3D playback format is stated.
    What it is: Whether the projector supports 3D playback in any format.
    When it matters: When you want real 3D playback rather than support for only one niche 3D format.

    Importance: LOW

    ULTIMEA Poseidon E100 does not support 3D playback, while the average projector does. 55.1% of projectors support 3D playback.
  • 18.2% dimmer image
    ULTIMEA Poseidon E100 has lower ANSI lumens than the average projector (1,800 vs 2,200). The average projector has 2,200 ANSI lumens.
    What it is: Brightness output measured in ANSI lumens.
    When it matters: When you watch with ambient light or on a large screen, higher brightness matters.

    Importance: HIGH

    ULTIMEA Poseidon E100 has lower ANSI lumens than the average projector (1,800 vs 2,200). The average projector has 2,200 ANSI lumens.1,800 vs 2,200
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Third-party reviews

United Kingdom
amazon
5.0
1 Reviews

(Reviews last updated: June 2026)

What customers like about ULTIMEA Poseidon E100?

  • High brightness (1,800 ANSI Lumens) providing clear images even with some ambient light
  • Excellent color depth and contrast due to DLP technology and 120% DCI-P3 color gamut
  • Impressive built-in audio quality from dual 10W or 15W speakers
  • Quiet operation under 25dB, making it suitable for quiet home environments
  • Supports native 3D and 4K decoding for a versatile viewing experience
  • Smart features including Google TV and fast real-time autofocus/6D auto keystone correction
  • IP5X dustproof design helps maintain lens clarity and internal longevity

What customers dislike about ULTIMEA Poseidon E100?

  • Software and interface issues, such as volume and HDR settings occasionally colliding
  • Bulky and boxy physical design that takes up significant shelf space
  • Lack of a physical gimbal stand or mechanical lens shift for easier height adjustment
  • Potential performance limitations due to modest internal memory (2GB RAM / 8GB Storage) for some apps
  • Severe customer service and warranty concerns reported by some users regarding the brand

Expert reviews

W
winfuture.de
23/02/2026
Ultimea Poseidon E100: Solid Full HD LED Projector Review

The Ultimea Poseidon E100 is a Full-HD LED projector marketed by some retailers misleadingly as a 4K device, featuring a 0.47-inch DMD chip and an impressive brightness of 1,800 ANSI lumens. It operates on the fast and responsive Google TV platform, which provides native support for major streaming apps like Netflix, YouTube, and Disney+, as well as cloud gaming via GeForce Now]. On...Read more

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A
android-mt.ouest-france.fr
26/10/2025
Ultimea Poseidon E100 Review: Home Cinema Experience

The review on Android MT highlights the ⁠Ultimea Poseidon E100 as a well-balanced, all-in-one home cinema solution positioned between entry-level and high-end models. Evaluated at an standard price of €969 (discounted to €829 with a promo code), the device stands out for its high 1800 ANSI lumens brightness, allowing clear projection up to a 200-inch diagonal even in ambient...Read more

(Translated)Show original
P
planetenumerique.com
15/10/2025
Ultimea Poseidon E100 DLP Projector Review: Promises Kept

The Ultimea Poseidon E100 is a compact, mid-range DLP video projector that delivers premium performance, running a certified Google TV interface on Android TV 11 via an integrated Skyworth Leap-S2 4K dongle. Operating with a native Full HD 1080p resolution via a 0.47-inch DMD chip, it stands out for its impressive 1800 ANSI lumens of brightness and a wide color gamut covering 120%...Read more

(Translated)Show original
P
planetenumerique.com
05/12/2025
Ultimea Poseidon E100, high-end video projector", "Ultimea Poseidon E100 premium projector

The Ultimea Poseidon E100 is a high-end, native 1080p Full HD video projector utilizing a DLP matrix that ensures a sharp, precise picture with an excellent 90% brightness uniformity across the screen. Driven by a long-lasting LED source delivering 1800 ANSI Lumens, it is capable of performing well even in moderate ambient lighting. Its standout features include a high color gamut...Read more

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