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- H6815P vs M311
Acer H6815P vs Acer M311
What H6815P does better (5) and where M311 wins (4) — every spec side by side.
Dimensions
Size comparison
H6815PM311
| H6815P | M311 | Difference | |
|---|---|---|---|
| Height | 114 mm | 114 mm | = |
| Width | 313 mm | 313 mm | = |
| Depth | 240 mm | 240 mm | = |
| Weight | 3.1 kg | 2.7 kg | +0.4 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is H6815P better than M311?
- Resolution (on screen)3840 × 2160 (4K UHD) vs 1280 × 800 (WXGA)
- Native panel resolution1920 × 1080 (Full HD) vs 1280 × 800 (WXGA)
- HDMI inputs2 vs 12×
- Optical zoom2× vs 1.12×+79%
- Fan noise26 dB vs 27 dB+4%
Why is M311 better than H6815P?
- Automatic keystone correctionNo · H6815P: Yes
- Brightness (ANSI / ISO lumens)4,000 lm vs 4,500 lm+12%
- Contrast ratio (dynamic / claimed)10,000:1 vs 20,000:12×
- Weight3.1 kg vs 2.7 kg+15%
Specifications
Side by side
| Picture | ||
| Resolution (on screen) | 3840 × 2160 (4K UHD) | 1280 × 800 (WXGA) |
| Native panel resolution | 1920 × 1080 (Full HD) | 1280 × 800 (WXGA) |
| 4K method | 4K by pixel shifting | — |
| Display technology | DLP | DLP |
| Light source | Lamp | Lamp |
| Brightness (ANSI / ISO lumens) | 4,000 lm | 4,500 lm |
| Contrast ratio (dynamic / claimed) | 10,000:1 | 20,000:1 |
| HDR support | Yes | — |
| HDR formats | HDR10 | — |
| 3D playback | Yes | Yes |
| Gaming | ||
| Maximum refresh rate | 120 Hz | 120 Hz |
| Lens & placement | ||
| Throw ratio | 1.5:1 | 1.49:1 |
| Throw ratio (zoomed in) | 1.66:1 | 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″ | 30″ |
| Largest image size | 300″ | 300″ |
| 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) | 10 W | 10 W |
| Smart & streaming | ||
| Smart platform | Android (not TV-certified) | — |
| Built-in smart platform | Yes | — |
| Wi-Fi | Yes | Yes |
| Connectivity | ||
| HDMI inputs | 2 | 1 |
| HDMI version | 2 | — |
| USB port | Yes | Yes |
| Ethernet (LAN) | No | No |
| VGA input | Yes | Yes |
| Audio output | Yes | Yes |
| Battery, power & lifetime | ||
| Power consumption | 310 W | — |
| Light source life | — | 6,000 h |
| Light source life (eco mode) | — | 10,000 h |
| Design & noise | ||
| Fan noise | 26 dB | 27 dB |
| Fan noise (eco mode) | 26 dB | 24 dB |
| Weight | 3.1 kg | 2.7 kg |
| Width | 313 mm | 313 mm |
| Height | 114 mm | 114 mm |
| Depth | 240 mm | 240 mm |
| Colours | White | White |
