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- Photon Life PK31 vs PX700HDH
Optoma Photon Life PK31 vs ViewSonic PX700HDH
What Photon Life PK31 does better (4) and where PX700HDH wins (4) — every spec side by side.
vs
3.8Picture4.8
8.6Noise, lifetime & portability5.4
Why is Photon Life PK31 better than PX700HDH?
- Resolution (on screen)3840 × 2160 (4K UHD) vs 1920 × 1080 (Full HD)
- Light source life30,000 h vs 6,000 h5×
- Audio outputYes · PX700HDH: No
- Weight2.2 kg vs 2.4 kg+9%
Why is PX700HDH better than Photon Life PK31?
- Brightness (ANSI / ISO lumens)900 lm vs 3,700 lm4.1×
- Contrast ratio (dynamic / claimed)400:1 vs 22,000:155×
- Largest image size150″ vs 300″2×
- Fan noise32 dB vs 31 dB+3%
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 |
| Light source | LED | — |
| Brightness (ANSI / ISO lumens) | 900 lm | 3,700 lm |
| Contrast ratio (dynamic / claimed) | 400:1 | 22,000:1 |
| Gaming | ||
| Maximum refresh rate | — | 120 Hz |
| Lens & placement | ||
| Throw ratio | 1.5:1 | 1.49:1 |
| Throw ratio (zoomed in) | 1.65:1 | 1.64:1 |
| 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 | 3.3 m |
| Smallest image size | 60″ | — |
| Largest image size | 150″ | 300″ |
| Optical zoom | 1.1× | — |
| Lens shift | None | — |
| Keystone correction | Yes | — |
| Automatic keystone correction | No | — |
| Sound | ||
| Built-in speakers (total output) | 5 W | — |
| Connectivity | ||
| HDMI inputs | 1 | 1 |
| HDMI version | — | 1.4 |
| USB port | Yes | Yes |
| Ethernet (LAN) | No | No |
| VGA input | No | No |
| Audio output | Yes | No |
| Battery, power & lifetime | ||
| Power consumption | — | 300 W |
| Light source life | 30,000 h | 6,000 h |
| Light source life (eco mode) | — | 20,000 h |
| Design & noise | ||
| Fan noise | 32 dB | 31 dB |
| Fan noise (eco mode) | 30 dB | 27 dB |
| Weight | 2.2 kg | 2.4 kg |
| Width | — | 293 mm |
| Height | — | 115 mm |
| Depth | — | 221 mm |
| Colours | Black | White |
