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- Photon Life PH31 vs Photon Life PK31
Optoma Photon Life PH31 vs Optoma Photon Life PK31
What Photon Life PH31 does better (1) and where Photon Life PK31 wins (2) — every spec side by side.
vs
3.1Picture3.8
2.1Setup & placement2.1
6.4Noise, lifetime & portability8.6
Why is Photon Life PH31 better than Photon Life PK31?
- Brightness (ANSI / ISO lumens)1,500 lm vs 900 lm+67%
Why is Photon Life PK31 better than Photon Life PH31?
- Resolution (on screen)1920 × 1080 (Full HD) vs 3840 × 2160 (4K UHD)
- Light source life20,000 h vs 30,000 h+50%
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 | LED | LED |
| Brightness (ANSI / ISO lumens) | 1,500 lm | 900 lm |
| Contrast ratio (dynamic / claimed) | 400:1 | 400:1 |
| Lens & placement | ||
| Throw ratio | 1.5:1 | 1.5:1 |
| Throw ratio (zoomed in) | 1.65:1 | 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 | 3.32 m | 3.32 m |
| Smallest image size | 60″ | 60″ |
| Largest image size | 150″ | 150″ |
| Optical zoom | 1.1× | 1.1× |
| Lens shift | None | None |
| Keystone correction | Yes | Yes |
| Automatic keystone correction | No | No |
| Sound | ||
| Built-in speakers (total output) | 5 W | 5 W |
| Connectivity | ||
| HDMI inputs | 1 | 1 |
| USB port | Yes | Yes |
| Ethernet (LAN) | No | No |
| VGA input | No | No |
| Audio output | Yes | Yes |
| Battery, power & lifetime | ||
| Light source life | 20,000 h | 30,000 h |
| Design & noise | ||
| Fan noise | 32 dB | 32 dB |
| Fan noise (eco mode) | 30 dB | 30 dB |
| Weight | 2.2 kg | 2.2 kg |
| Colours | Black | Black |
