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- UHZ45 vs Horizon 20
Optoma UHZ45 vs XGIMI Horizon 20
What UHZ45 does better (4) and where Horizon 20 wins (4) — every spec side by side.
vs
8.7Picture6.6
7.3Gaming & inputs8.5
4.3Setup & placement9.2
8.3Noise, lifetime & portability6.5
Dimensions
Size comparison
UHZ45Horizon 20
| UHZ45 | Horizon 20 | Difference | |
|---|---|---|---|
| Height | 120 mm | 249 mm | −129 mm |
| Width | 337 mm | 298 mm | +39 mm |
| Depth | 265 mm | 190 mm | +75 mm |
| Weight | 4.8 kg | 4.8 kg | = |
Drawn to the same scale from the official dimensions (front and side).
Why is UHZ45 better than Horizon 20?
- Brightness (ANSI / ISO lumens)3,800 lm vs 3,200 lm+19%
- Light source life30,000 h vs 20,000 h+50%
- Contrast ratio (dynamic / claimed)2,000,000:1 vs 20,000:1100×
- HDMI inputs3 vs 2+50%
Why is Horizon 20 better than UHZ45?
- Lens shiftNone vs Vertical and horizontal
- Automatic keystone correctionNo · UHZ45: Yes
- Built-in speakers (total output)20 W vs 24 W+20%
- Fan noise29 dB vs 28 dB+4%
Specifications
Side by side
| Picture | ||
| Resolution (on screen) | 3840 × 2160 (4K UHD) | 3840 × 2160 (4K UHD) |
| Native panel resolution | 1920 × 1080 (Full HD) | 1920 × 1080 (Full HD) |
| 4K method | 4K by pixel shifting | 4K by pixel shifting |
| Display technology | DLP | DLP |
| Light source | Laser | RGB triple laser |
| Brightness (ANSI / ISO lumens) | 3,800 lm | 3,200 lm |
| Contrast ratio (dynamic / claimed) | 2,000,000:1 | 20,000:1 |
| HDR support | — | Yes |
| HDR formats | — | HDR10+, Dolby Vision |
| Dolby Vision | — | Yes |
| Colour gamut (BT.2020) | — | 110% |
| Motion interpolation (MEMC) | — | Yes |
| 3D playback | Yes | Yes |
| Gaming | ||
| Input lag | — | 1 ms |
| Maximum refresh rate | 120 Hz | — |
| Game / low-latency mode | — | Yes |
| VRR / ALLM | — | Yes |
| Lens & placement | ||
| Throw ratio | 1.5:1 | 1.2:1 |
| Throw ratio (zoomed in) | 1.66:1 | 1.5:1 |
| Throw type | Standard throw (1.0:1 and longer) | Standard throw (1.0:1 and longer) |
| Distance for a 100″ 16:9 image | 3.32 m | 2.66 m |
| Smallest image size | — | 40″ |
| Largest image size | 300″ | 300″ |
| Optical zoom | — | 1.25× |
| Lens shift | None | Vertical and horizontal |
| Autofocus | — | Yes |
| Keystone correction | Yes | Yes |
| Automatic keystone correction | No | Yes |
| Obstacle avoidance | — | Yes |
| Automatic screen fit | — | Yes |
| Built-in stand / gimbal | — | Yes |
| Sound | ||
| Built-in speakers (total output) | 20 W | 24 W |
| Smart & streaming | ||
| Smart platform | — | Google TV |
| Built-in smart platform | — | Yes |
| Netflix (officially licensed) | — | Yes |
| Wi-Fi | — | Yes |
| Bluetooth | — | Yes |
| AirPlay | — | Yes |
| Chromecast built-in | — | Yes |
| Internal storage | — | 128 GB |
| Connectivity | ||
| HDMI inputs | 3 | 2 |
| HDMI version | 2 | — |
| HDMI eARC | — | Yes |
| USB port | Yes | Yes |
| Ethernet (LAN) | No | No |
| VGA input | No | No |
| Audio output | Yes | Yes |
| Battery, power & lifetime | ||
| Power consumption | 230 W | — |
| Light source life | 30,000 h | 20,000 h |
| Light source life (eco mode) | — | 25,000 h |
| Design & noise | ||
| Fan noise | 29 dB | 28 dB |
| Fan noise (eco mode) | 27 dB | — |
| Weight | 4.8 kg | 4.8 kg |
| Width | 337 mm | 298 mm |
| Height | 120 mm | 249 mm |
| Depth | 265 mm | 190 mm |
| Colours | White | Grey |
