Optoma Photon Life PH31 vs Optoma PK32
Bold marks the better figure where both are stated to the same standard. “—” means the manufacturer doesn't state it.
| Optoma Photon Life PH31 | Optoma PK32 MSRP $1,299 | |
|---|---|---|
| Display system | ||
| Imaging technology | DLP | DLP |
| Technology brand | DLP | DLP |
| Number of imaging devices | — | 1 |
| Chip / panel diagonal | — | 0.47 in |
| Native aspect ratio | 16:9 | 16:9 |
| Native resolution | 1920 × 1080 | 1920 × 1080 |
| Pixel shift | — | Other |
| Addressable resolution | — | 3840 × 2160 |
| Optics | ||
| Throw ratio | 1.5–1.65:1 | 1.13–1.46:1 |
| Projection distance table | 60″: 1.99–2.19 m · 70″: 2.32–2.56 m · 80″: 2.66–2.92 m · 90″: 2.99–3.29 m · 100″: 3.32–3.65 m · 110″: 3.65–4.02 m · 120″: 3.99–4.38 m · 130″: 4.32–4.75 m · 140″: 4.65–5.11 m · 150″: 4.98–5.48 m | 60″: 1.5–1.94 m · 70″: 1.75–2.26 m · 80″: 2–2.59 m · 90″: 2.25–2.91 m · 100″: 2.5–3.23 m · 110″: 2.74–3.56 m · 120″: 2.99–3.88 m · 130″: 3.24–4.2 m · 140″: 3.49–4.53 m · 150″: 3.74–4.85 m |
| Zoom type | Optical | Optical |
| Zoom ratio | 1.1× | 1.3× |
| Focus | Manual | Auto |
| Vertical lens shift | 0% | 0% |
| Horizontal lens shift | 0% | 0% |
| Fixed offset | 105% | 105% |
| Focal length | 15.84–17.45 mm | 11.9–15.5 mm |
| F-number | 2–2.05 | 1.94–2.12 |
| Interchangeable lens | — | No |
| Image size range | 60–150 in | 60–150 in |
| Vertical keystone | — | -40–40° |
| Horizontal keystone | — | -40–40° |
| Corner / warp correction | — | Warp |
| Light source | ||
| Light source type | LED | LED |
| Light source detail | RGB LED | 4LED RGBA |
| Light source life | Eco: 30,000 h | Eco: 30,000 h |
| Light-source dimming | — | Manual steps |
| Brightness | ||
| ISO light output | 1,500 lm | 1,100 lm |
| Claimed brightness (non-standard) | 2,700 | 2,000 |
| Claimed brightness unit | Unspecified | Unspecified |
| Brightness uniformity (centre-to-corner) | 90% | 90% |
| Contrast & black level | ||
| Dynamic contrast | 250,000:1 | 250,000:1 |
| Colour | ||
| DCI-P3 gamut | 95% | 95% |
| Gamut metric | — | Coverage |
| Gamma / EOTF presets | — | 2.2, 2.4 |
| Bit depth / 'number of colours' | 30 bitDerived | 30 bit |
| Calibration & picture control | ||
| Colour management system | — | 6-axis |
| ISF certified | — | Yes |
| HDR | ||
| HDR formats | — | HDR10, HLG |
| Tone mapping type | — | Static |
| Motion & gaming | ||
| Max refresh rate | — | 3840×2160: 60 Hz · 1920×1080: 240 Hz |
| Input lag (rated) | — | 3840×2160 @ 60 Hz: 16 ms · 1920×1080 @ 60 Hz: 16 ms · 1920×1080 @ 120 Hz: 8 ms · 1920×1080 @ 240 Hz: 4.6 ms |
| Audio | ||
| Speaker power | 5 W | 10 W |
| Speaker count | 1 | 2 |
| Audio channels | — | Stereo |
| Audio outputs | 3.5 mm | 3.5 mm, HDMI eARC |
| HDMI eARC | — | Yes |
| Bluetooth audio out | — | No |
| Inputs, control & connectivity | ||
| Max input signal | 3840 × 2160 | 3840 × 2160 |
| HDMI port count | 1 | 2 |
| HDMI ports (feature-level) | HDMI: HDMI 1.4a | HDMI (eARC): HDMI 2.0, eARC; HDMI: HDMI 2.0 |
| Horizontal scan frequency | 15–102 kHz | 15–255 kHz |
| Vertical scan frequency | 23–76 Hz | 23–240 Hz |
| USB-C video (DP Alt Mode) | — | Yes |
| LAN control | No | — |
| Wi-Fi | — | None |
| Bluetooth version | — | none |
| Firmware / software | ||
| Smart OS | — | None |
| 3D | ||
| 3D support | No | Yes |
| 3D sync method | — | DLP-Link |
| 3D formats | — | Frame sequential |
| Glasses included | — | 0 |
| Setup automation | ||
| Auto keystone | Yes | Yes |
| Obstacle avoidance | — | Yes |
| Acoustic noise | ||
| Fan noise (sound pressure) | Eco: 26 dB(A) · Bright: 32 dB(A) | Eco: 27 dB(A) · Bright: 33 dB(A) |
| Environment & power | ||
| Operating temperature | 0–40°C | 0–40°C |
| Operating humidity | 0–80%RH | — |
| Altitude / high-altitude mode | 3,048 m | 3,048 m |
| High-altitude mode | Yes | Yes |
| Operating orientations | Table, Ceiling, Rear | Table, Ceiling, Rear |
| Rated voltage | 100–240 V | 100–240 V |
| Rated frequency | 50–60 Hz | 50–60 Hz |
| Power consumption (max) | 140 W | 162 W |
| Power consumption by mode | Eco: 69 W · Bright: 123 W | Typical eco: 70 W · Max eco: 103 W · Typical bright: 130 W · Max bright: 162 W |
| Standby power | 0.5 W | 0.5 W |
| Power supply | External brick | External brick |
| Physical & installation | ||
| Width | 238 mm | 238 mm |
| Depth | 215 mm | 215 mm |
| Height | 118 mm | 130 mm |
| Weight | 2.2 kg | 2.7 kg |
| Mount hole pattern | — | Thread: M4 |
| Tripod socket | — | Yes |
| Safety & compliance | ||
| Photobiological risk group | RG2 | RG2 |
| Safety & market certifications | FCC | FCC, CE |
| Support & ownership | ||
| Warranty | — | 🇺🇸 US 1 yr |
| User manual | https://region-resource.optoma.com/products/documents/WINyiDkIEYScPG4qOJ28rGKbFRWFZSzawTYvHHSY.pdf | https://region-resource.optoma.com/products/documents/hYInF2nOz6KeeM8kK3Z1waxNjlBqjY6Gagtu4t1L.pdf |
| In the box | ||
| Box contents | Power adapter, Remote, Batteries, Manual, Quick start guide | Power adapter, Remote, Batteries, Manual, Quick start guide |
| Remote type | IR | IR |