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- GT2100HDR vs Horizon Ultra
Optoma GT2100HDR vs XGIMI Horizon Ultra
What GT2100HDR does better (7) and where Horizon Ultra wins (4) — every spec side by side.
vs
7.1Picture5.3
4.3Setup & placement7.1
6.6Noise, lifetime & portability7.0
Dimensions
Size comparison
GT2100HDRHorizon Ultra
| GT2100HDR | Horizon Ultra | Difference | |
|---|---|---|---|
| Height | 114 mm | 170 mm | −56 mm |
| Width | 274 mm | 224 mm | +50 mm |
| Depth | 216 mm | 265 mm | −49 mm |
| Weight | 3 kg | 5.2 kg | −2.2 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is GT2100HDR better than Horizon Ultra?
- Brightness (ANSI / ISO lumens)4,200 lm vs 2,300 lm+83%
- Contrast ratio (dynamic / claimed)300,000:1 vs 10,000:130×
- HDMI inputs2 vs 12×
- Light source life30,000 h vs 25,000 h+20%
- Power consumption173 W vs 300 W+73%
- Weight3 kg vs 5.2 kg+73%
- Largest image size300″ vs 200″+50%
Why is Horizon Ultra better than GT2100HDR?
- Resolution (on screen)1920 × 1080 (Full HD) vs 3840 × 2160 (4K UHD)
- Automatic keystone correctionNo · GT2100HDR: Yes
- Built-in speakers (total output)15 W vs 24 W+60%
- Fan noise36 dB vs 28 dB+29%
Specifications
Side by side
| Picture | ||
| Resolution (on screen) | 1920 × 1080 (Full HD) | 3840 × 2160 (4K UHD) |
| Native panel resolution | 1920 × 1080 (Full HD) | 1920 × 1080 (Full HD) |
| 4K method | — | 4K by pixel shifting |
| Display technology | DLP | DLP |
| Light source | Laser | Laser + LED hybrid |
| Brightness (ANSI / ISO lumens) | 4,200 lm | 2,300 lm |
| Contrast ratio (dynamic / claimed) | 300,000:1 | 10,000:1 |
| HDR support | Yes | Yes |
| HDR formats | — | HDR10, HLG, Dolby Vision |
| Dolby Vision | — | Yes |
| Motion interpolation (MEMC) | — | Yes |
| 3D playback | — | Yes |
| Gaming | ||
| Input lag | — | 18 ms |
| Maximum refresh rate | 120 Hz | — |
| Game / low-latency mode | — | Yes |
| Lens & placement | ||
| Throw ratio | 0.5:1 | 1.2:1 |
| Throw ratio (zoomed in) | — | 1.5:1 |
| Throw type | Short throw (0.4–1.0:1) | Standard throw (1.0:1 and longer) |
| Distance for a 100″ 16:9 image | 1.11 m | 2.66 m |
| Smallest image size | 36″ | 40″ |
| Largest image size | 300″ | 200″ |
| Optical zoom | — | 1.25× |
| Lens shift | None | None |
| Autofocus | — | Yes |
| Keystone correction | Yes | Yes |
| Automatic keystone correction | No | Yes |
| Obstacle avoidance | — | Yes |
| Automatic screen fit | — | Yes |
| Sound | ||
| Built-in speakers (total output) | 15 W | 24 W |
| DTS | — | Yes |
| Smart & streaming | ||
| Smart platform | — | Android TV |
| Built-in smart platform | — | Yes |
| Wi-Fi | Yes | Yes |
| Bluetooth | — | Yes |
| AirPlay | — | Yes |
| Chromecast built-in | — | Yes |
| Internal storage | — | 32 GB |
| Connectivity | ||
| HDMI inputs | 2 | 1 |
| HDMI eARC | — | Yes |
| USB port | Yes | Yes |
| Ethernet (LAN) | Yes | Yes |
| VGA input | No | No |
| Audio output | Yes | Yes |
| Battery, power & lifetime | ||
| Power consumption | 173 W | 300 W |
| Light source life | 30,000 h | 25,000 h |
| Light source life (eco mode) | — | 25,000 h |
| Design & noise | ||
| Fan noise | 36 dB | 28 dB |
| Fan noise (eco mode) | 29 dB | 30 dB |
| Weight | 3 kg | 5.2 kg |
| Width | 274 mm | 224 mm |
| Height | 114 mm | 170 mm |
| Depth | 216 mm | 265 mm |
| Colours | White | Beige |
