- Attenborough.film
- Compare
- GT1080HDR vs HD29HST
Optoma GT1080HDR vs Optoma HD29HST
What GT1080HDR does better (0) and where HD29HST wins (2) — every spec side by side.
Dimensions
Size comparison
GT1080HDRHD29HST
| GT1080HDR | HD29HST | Difference | |
|---|---|---|---|
| Height | 112 mm | 108 mm | +4 mm |
| Width | 316 mm | 316 mm | = |
| Depth | 257 mm | 244 mm | +13 mm |
| Weight | 3 kg | 3 kg | = |
Drawn to the same scale from the official dimensions (front and side).
Why is GT1080HDR better than HD29HST?
GT1080HDR has no measurable advantages in this pair.
Why is HD29HST better than GT1080HDR?
- Brightness (ANSI / ISO lumens)3,800 lm vs 4,000 lm+5%
- HDMI inputs1 vs 22×
Specifications
Side by side
| Picture | ||
| Resolution (on screen) | — | 1920 × 1080 (Full HD) |
| Native panel resolution | — | 1920 × 1080 (Full HD) |
| 4K method | — | 4K input only (downscaled) |
| Display technology | DLP | DLP |
| Light source | Lamp | — |
| Brightness (ANSI / ISO lumens) | 3,800 lm | 4,000 lm |
| Contrast ratio (dynamic / claimed) | — | 50,000:1 |
| HDR support | Yes | Yes |
| HDR formats | HDR10 | — |
| 3D playback | Yes | Yes |
| Gaming | ||
| Maximum refresh rate | — | 120 Hz |
| Game / low-latency mode | Yes | Yes |
| Lens & placement | ||
| Throw ratio | 0.5:1 | 0.49:1 |
| Throw type | Short throw (0.4–1.0:1) | Short throw (0.4–1.0:1) |
| Distance for a 100″ 16:9 image | 1.11 m | 1.08 m |
| Smallest image size | — | 36″ |
| Largest image size | — | 307″ |
| Lens shift | — | None |
| Keystone correction | Yes | Yes |
| Automatic keystone correction | No | No |
| Sound | ||
| Built-in speakers (total output) | — | 10 W |
| Smart & streaming | ||
| Wi-Fi | — | Yes |
| Connectivity | ||
| HDMI inputs | 1 | 2 |
| HDMI version | — | 2 |
| USB port | — | Yes |
| Ethernet (LAN) | — | No |
| VGA input | Yes | Yes |
| Audio output | — | Yes |
| Battery, power & lifetime | ||
| Power consumption | — | 285 W |
| Light source life (eco mode) | — | 15,000 h |
| Design & noise | ||
| Fan noise | 26 dB | 26 dB |
| Weight | 3 kg | 3 kg |
| Width | 316 mm | 316 mm |
| Height | 112 mm | 108 mm |
| Depth | 257 mm | 244 mm |
| Colours | — | White |
