- Attenborough.film
- Compare
- H6815BD vs M511
Acer H6815BD vs Acer M511
What H6815BD does better (5) and where M511 wins (6) — every spec side by side.
Dimensions
Size comparison
H6815BDM511
| H6815BD | M511 | Difference | |
|---|---|---|---|
| Height | 94 mm | 114 mm | −20 mm |
| Width | 322 mm | 313 mm | +9 mm |
| Depth | 225 mm | 240 mm | −15 mm |
| Weight | 2.9 kg | 3 kg | −0.1 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is H6815BD better than M511?
- Resolution (on screen)3840 × 2160 (4K UHD) vs 1920 × 1200 (WUXGA)
- HDMI inputs2 vs 12×
- Optical zoom2× vs 1.12×+79%
- Power consumption245 W vs 295 W+20%
- Weight2.88 kg vs 3 kg+4%
Why is M511 better than H6815BD?
- Built-in speakers (total output)3 W vs 10 W3.3×
- Automatic keystone correctionNo · H6815BD: Yes
- Brightness (ANSI / ISO lumens)4,000 lm vs 4,300 lm+7%
- Fan noise33 dB vs 27 dB+22%
- Native panel resolution1920 × 1080 (Full HD) vs 1920 × 1200 (WUXGA)
- Ethernet (LAN)No · H6815BD: Yes
Specifications
Side by side
| Picture | ||
| Resolution (on screen) | 3840 × 2160 (4K UHD) | 1920 × 1200 (WUXGA) |
| Native panel resolution | 1920 × 1080 (Full HD) | 1920 × 1200 (WUXGA) |
| 4K method | 4K by pixel shifting | — |
| Display technology | DLP | DLP |
| Light source | — | Lamp |
| Brightness (ANSI / ISO lumens) | 4,000 lm | 4,300 lm |
| Contrast ratio (dynamic / claimed) | 10,000:1 | 10,000:1 |
| HDR support | Yes | — |
| 3D playback | — | Yes |
| Gaming | ||
| Maximum refresh rate | 120 Hz | 120 Hz |
| Lens & placement | ||
| Throw ratio | 1.5:1 | 1.49:1 |
| Throw ratio (zoomed in) | 1.65:1 | 1.67:1 |
| 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 | 3.3 m |
| Smallest image size | 28″ | — |
| Largest image size | 300″ | 301″ |
| Optical zoom | 2× | 1.12× |
| Lens shift | None | — |
| Autofocus | No | — |
| Keystone correction | Yes | Yes |
| Automatic keystone correction | No | Yes |
| Sound | ||
| Built-in speakers (total output) | 3 W | 10 W |
| Smart & streaming | ||
| Wi-Fi | Yes | Yes |
| Bluetooth | — | Yes |
| Connectivity | ||
| HDMI inputs | 2 | 1 |
| HDMI version | 2 | — |
| USB port | Yes | Yes |
| Ethernet (LAN) | No | Yes |
| VGA input | No | Yes |
| Audio output | Yes | Yes |
| Battery, power & lifetime | ||
| Power consumption | 245 W | 295 W |
| Light source life | 5,000 h | — |
| Light source life (eco mode) | 10,000 h | — |
| Design & noise | ||
| Fan noise | 33 dB | 27 dB |
| Fan noise (eco mode) | 30 dB | 24 dB |
| Weight | 2.88 kg | 3 kg |
| Width | 322 mm | 313 mm |
| Height | 94 mm | 114 mm |
| Depth | 225 mm | 240 mm |
| Colours | White | White |
