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- UHD42 vs PX701HD
Optoma UHD42 vs ViewSonic PX701HD
What UHD42 does better (6) and where PX701HD wins (3) — every spec side by side.
Dimensions
Size comparison
UHD42PX701HD
| UHD42 | PX701HD | Difference | |
|---|---|---|---|
| Height | 118 mm | 108 mm | +10 mm |
| Width | 315 mm | 312 mm | +3 mm |
| Depth | 270 mm | 222 mm | +48 mm |
| Weight | 3.9 kg | 2.6 kg | +1.3 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is UHD42 better than PX701HD?
- Resolution (on screen)3840 × 2160 (4K UHD) vs 1920 × 1080 (Full HD)
- Lens shiftVertical vs None
- Contrast ratio (dynamic / claimed)500,000:1 vs 12,000:141.7×
- HDR supportYes · PX701HD: No
- Fan noise26 dB vs 31 dB+19%
- Optical zoom1.3× vs 1.1×+18%
Why is PX701HD better than UHD42?
- Brightness (ANSI / ISO lumens)3,400 lm vs 3,500 lm+3%
- Light source life4,000 h vs 5,000 h+25%
- Weight3.9 kg vs 2.59 kg+51%
Specifications
Side by side
| Picture | ||
| Resolution (on screen) | 3840 × 2160 (4K UHD) | 1920 × 1080 (Full HD) |
| Native panel resolution | 1920 × 1080 (Full HD) | 1920 × 1080 (Full HD) |
| 4K method | 4K by pixel shifting | — |
| Display technology | DLP | DLP |
| Brightness (ANSI / ISO lumens) | 3,400 lm | 3,500 lm |
| Contrast ratio (dynamic / claimed) | 500,000:1 | 12,000:1 |
| HDR support | Yes | No |
| 3D playback | Yes | Yes |
| Gaming | ||
| Maximum refresh rate | 120 Hz | 120 Hz |
| Game / low-latency mode | — | Yes |
| Lens & placement | ||
| Throw ratio | 1.21:1 | 1.5:1 |
| Throw ratio (zoomed in) | 1.59:1 | 1.65:1 |
| Throw type | Standard throw (1.0:1 and longer) | Standard throw (1.0:1 and longer) |
| Distance for a 100″ 16:9 image | 2.68 m | 3.32 m |
| Smallest image size | 34″ | 30″ |
| Largest image size | 302″ | 300″ |
| Optical zoom | 1.3× | 1.1× |
| Lens shift | Vertical | None |
| Keystone correction | Yes | Yes |
| Automatic keystone correction | No | No |
| Sound | ||
| Built-in speakers (total output) | 10 W | 10 W |
| Connectivity | ||
| HDMI inputs | 2 | 2 |
| USB port | Yes | Yes |
| Ethernet (LAN) | No | No |
| VGA input | Yes | Yes |
| Audio output | Yes | Yes |
| Battery, power & lifetime | ||
| Power consumption | 305 W | 300 W |
| Light source life | 4,000 h | 5,000 h |
| Light source life (eco mode) | 15,000 h | 20,000 h |
| Design & noise | ||
| Fan noise | 26 dB | 31 dB |
| Fan noise (eco mode) | — | 27 dB |
| Weight | 3.9 kg | 2.59 kg |
| Width | 315 mm | 312 mm |
| Height | 118 mm | 108 mm |
| Depth | 270 mm | 222 mm |
| Colours | White | White |
