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- HD29HST vs HZ40ST
Optoma HD29HST vs Optoma HZ40ST
What HD29HST does better (4) and where HZ40ST wins (4) — every spec side by side.
Dimensions
Size comparison
HD29HSTHZ40ST
| HD29HST | HZ40ST | Difference | |
|---|---|---|---|
| Height | 108 mm | 122 mm | −14 mm |
| Width | 316 mm | 337 mm | −21 mm |
| Depth | 244 mm | 265 mm | −21 mm |
| Weight | 3 kg | 5.5 kg | −2.5 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is HD29HST better than HZ40ST?
- Maximum refresh rate120 Hz vs 85 Hz+41%
- Fan noise26 dB vs 32 dB+23%
- Weight3 kg vs 5.5 kg+83%
- Largest image size307″ vs 300″+2%
Why is HZ40ST better than HD29HST?
- Built-in speakers (total output)10 W vs 20 W2×
- Brightness (ANSI / ISO lumens)4,000 lm vs 4,200 lm+5%
- Contrast ratio (dynamic / claimed)50,000:1 vs 2,500,000:150×
- Ethernet (LAN)No · HD29HST: Yes
Specifications
Side by side
| Picture | ||
| Resolution (on screen) | 1920 × 1080 (Full HD) | 1920 × 1080 (Full HD) |
| Native panel resolution | 1920 × 1080 (Full HD) | 1920 × 1080 (Full HD) |
| 4K method | 4K input only (downscaled) | — |
| Display technology | DLP | DLP |
| Light source | — | Laser |
| Brightness (ANSI / ISO lumens) | 4,000 lm | 4,200 lm |
| Contrast ratio (dynamic / claimed) | 50,000:1 | 2,500,000:1 |
| HDR support | Yes | Yes |
| 3D playback | Yes | Yes |
| Gaming | ||
| Maximum refresh rate | 120 Hz | 85 Hz |
| Game / low-latency mode | Yes | — |
| Lens & placement | ||
| Throw ratio | 0.49:1 | 0.5:1 |
| Throw type | Short throw (0.4–1.0:1) | Short throw (0.4–1.0:1) |
| Distance for a 100″ 16:9 image | 1.08 m | 1.11 m |
| Smallest image size | 36″ | 36″ |
| Largest image size | 307″ | 300″ |
| Lens shift | None | None |
| Keystone correction | Yes | Yes |
| Automatic keystone correction | No | No |
| Sound | ||
| Built-in speakers (total output) | 10 W | 20 W |
| Smart & streaming | ||
| Wi-Fi | Yes | Yes |
| Connectivity | ||
| HDMI inputs | 2 | 2 |
| HDMI version | 2 | 2 |
| USB port | Yes | Yes |
| Ethernet (LAN) | No | Yes |
| VGA input | Yes | Yes |
| Audio output | Yes | Yes |
| Battery, power & lifetime | ||
| Power consumption | 285 W | — |
| Light source life | — | 30,000 h |
| Light source life (eco mode) | 15,000 h | — |
| Design & noise | ||
| Fan noise | 26 dB | 32 dB |
| Fan noise (eco mode) | — | 30 dB |
| Weight | 3 kg | 5.5 kg |
| Width | 316 mm | 337 mm |
| Height | 108 mm | 122 mm |
| Depth | 244 mm | 265 mm |
| Colours | White | White |
