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- H6541BDi vs HD29HST
Acer H6541BDi vs Optoma HD29HST
What H6541BDi does better (1) and where HD29HST wins (4) — every spec side by side.
Dimensions
Size comparison
H6541BDiHD29HST
| H6541BDi | HD29HST | Difference | |
|---|---|---|---|
| Height | 114 mm | 108 mm | +6 mm |
| Width | 313 mm | 316 mm | −3 mm |
| Depth | 240 mm | 244 mm | −4 mm |
| Weight | 2.9 kg | 3 kg | −0.1 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is H6541BDi better than HD29HST?
- Weight2.9 kg vs 3 kg+3%
Why is HD29HST better than H6541BDi?
- Contrast ratio (dynamic / claimed)10,000:1 vs 50,000:15×
- Fan noise36 dB vs 26 dB+38%
- HDR supportNo · H6541BDi: Yes
- Largest image size300″ vs 307″+2%
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 | Lamp | — |
| Brightness (ANSI / ISO lumens) | 4,000 lm | 4,000 lm |
| Contrast ratio (dynamic / claimed) | 10,000:1 | 50,000:1 |
| HDR support | No | Yes |
| 3D playback | Yes | Yes |
| Gaming | ||
| Maximum refresh rate | 120 Hz | 120 Hz |
| Game / low-latency mode | — | Yes |
| Lens & placement | ||
| Throw ratio | 1.5:1 | 0.49:1 |
| Throw ratio (zoomed in) | 1.66:1 | — |
| Throw type | Standard throw (1.0:1 and longer) | Short throw (0.4–1.0:1) |
| Distance for a 100″ 16:9 image | 3.32 m | 1.08 m |
| Smallest image size | 27″ | 36″ |
| Largest image size | 300″ | 307″ |
| Optical zoom | 2× | — |
| Lens shift | None | None |
| Autofocus | No | — |
| Keystone correction | Yes | Yes |
| Automatic keystone correction | No | No |
| Sound | ||
| Built-in speakers (total output) | 10 W | 10 W |
| Smart & streaming | ||
| Wi-Fi | — | Yes |
| Connectivity | ||
| HDMI inputs | 2 | 2 |
| HDMI version | — | 2 |
| USB port | Yes | Yes |
| Ethernet (LAN) | No | No |
| VGA input | Yes | Yes |
| Audio output | Yes | Yes |
| Battery, power & lifetime | ||
| Power consumption | 290 W | 285 W |
| Light source life | 4,000 h | — |
| Light source life (eco mode) | 10,000 h | 15,000 h |
| Design & noise | ||
| Fan noise | 36 dB | 26 dB |
| Fan noise (eco mode) | 27 dB | — |
| Weight | 2.9 kg | 3 kg |
| Width | 313 mm | 316 mm |
| Height | 114 mm | 108 mm |
| Depth | 240 mm | 244 mm |
| Colours | White | White |
