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- UHZ45 vs X2-4K
Optoma UHZ45 vs ViewSonic X2-4K
What UHZ45 does better (6) and where X2-4K wins (4) — every spec side by side.
Dimensions
Size comparison
UHZ45X2-4K
| UHZ45 | X2-4K | Difference | |
|---|---|---|---|
| Height | 120 mm | 121 mm | −1 mm |
| Width | 337 mm | 355 mm | −18 mm |
| Depth | 265 mm | 244 mm | +21 mm |
| Weight | 4.8 kg | 3.6 kg | +1.2 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is UHZ45 better than X2-4K?
- Brightness (ANSI / ISO lumens)3,800 lm vs 2,150 lm+77%
- Built-in speakers (total output)20 W vs 12 W+67%
- Largest image size300″ vs 150″2×
- Fan noise29 dB vs 33 dB+14%
- HDMI inputs3 vs 2+50%
- Power consumption230 W vs 236 W+3%
Why is X2-4K better than UHZ45?
- Maximum refresh rate120 Hz vs 240 Hz2×
- Lens shiftNone vs Vertical
- Contrast ratio (dynamic / claimed)2,000,000:1 vs 3,000,000:1+50%
- Weight4.8 kg vs 3.6 kg+33%
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 | LED |
| Brightness (ANSI / ISO lumens) | 3,800 lm | 2,150 lm |
| Contrast ratio (dynamic / claimed) | 2,000,000:1 | 3,000,000:1 |
| HDR support | — | Yes |
| 3D playback | Yes | — |
| Gaming | ||
| Maximum refresh rate | 120 Hz | 240 Hz |
| Game / low-latency mode | — | Yes |
| Lens & placement | ||
| Throw ratio | 1.5:1 | 0.69:1 |
| Throw ratio (zoomed in) | 1.66:1 | 0.83:1 |
| Throw type | Standard throw (1.0:1 and longer) | Short throw (0.4–1.0:1) |
| Distance for a 100″ 16:9 image | 3.32 m | 1.53 m |
| Smallest image size | — | 60″ |
| Largest image size | 300″ | 150″ |
| Optical zoom | — | 2× |
| Lens shift | None | Vertical |
| Keystone correction | Yes | Yes |
| Automatic keystone correction | No | No |
| Sound | ||
| Built-in speakers (total output) | 20 W | 12 W |
| Smart & streaming | ||
| Built-in smart platform | — | Yes |
| Wi-Fi | — | Yes |
| Bluetooth | — | Yes |
| Internal storage | — | 16 GB |
| Connectivity | ||
| HDMI inputs | 3 | 2 |
| HDMI version | 2 | 2 |
| USB port | Yes | Yes |
| Ethernet (LAN) | No | No |
| VGA input | No | No |
| Audio output | Yes | Yes |
| Battery, power & lifetime | ||
| Power consumption | 230 W | 236 W |
| Light source life | 30,000 h | 30,000 h |
| Design & noise | ||
| Fan noise | 29 dB | 33 dB |
| Fan noise (eco mode) | 27 dB | 29 dB |
| Weight | 4.8 kg | 3.6 kg |
| Width | 337 mm | 355 mm |
| Height | 120 mm | 121 mm |
| Depth | 265 mm | 244 mm |
| Colours | White | Black |
