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- M511 vs HD146X
Acer M511 vs Optoma HD146X
What M511 does better (6) and where HD146X wins (3) — every spec side by side.
Why is M511 better than HD146X?
- Resolution (on screen)1920 × 1200 (WUXGA) vs 1920 × 1080 (Full HD)
- Built-in speakers (total output)10 W vs 3 W3.3×
- Automatic keystone correctionYes · HD146X: No
- Brightness (ANSI / ISO lumens)4,300 lm vs 3,600 lm+19%
- Native panel resolution1920 × 1200 (WUXGA) vs 1920 × 1080 (Full HD)
- Ethernet (LAN)Yes · HD146X: No
Why is HD146X better than M511?
- Contrast ratio (dynamic / claimed)10,000:1 vs 25,000:12.5×
- Optical zoom1.12× vs 2×+79%
- Fan noise27 dB vs 26 dB+4%
Specifications
Side by side
| Picture | ||
| Resolution (on screen) | 1920 × 1200 (WUXGA) | 1920 × 1080 (Full HD) |
| Native panel resolution | 1920 × 1200 (WUXGA) | 1920 × 1080 (Full HD) |
| Display technology | DLP | DLP |
| Light source | Lamp | — |
| Brightness (ANSI / ISO lumens) | 4,300 lm | 3,600 lm |
| Contrast ratio (dynamic / claimed) | 10,000:1 | 25,000:1 |
| HDR support | — | No |
| 3D playback | Yes | Yes |
| Gaming | ||
| Maximum refresh rate | 120 Hz | — |
| Game / low-latency mode | — | Yes |
| Lens & placement | ||
| Throw ratio | 1.49:1 | 1.47:1 |
| Throw ratio (zoomed in) | 1.67:1 | 1.62:1 |
| Throw type | Standard throw (1.0:1 and longer) | Standard throw (1.0:1 and longer) |
| Distance for a 100″ 16:9 image | 3.3 m | 3.25 m |
| Smallest image size | — | 28″ |
| Largest image size | 301″ | 300″ |
| Optical zoom | 1.12× | 2× |
| Lens shift | — | None |
| Keystone correction | Yes | Yes |
| Automatic keystone correction | Yes | No |
| Sound | ||
| Built-in speakers (total output) | 10 W | 3 W |
| Smart & streaming | ||
| Wi-Fi | Yes | Yes |
| Bluetooth | Yes | — |
| Connectivity | ||
| HDMI inputs | 1 | 1 |
| HDMI version | — | 1.4 |
| USB port | Yes | Yes |
| Ethernet (LAN) | Yes | No |
| VGA input | Yes | No |
| Audio output | Yes | Yes |
| Battery, power & lifetime | ||
| Power consumption | 295 W | 295 W |
| Light source life | — | 4,000 h |
| Light source life (eco mode) | — | 10,000 h |
| Design & noise | ||
| Fan noise | 27 dB | 26 dB |
| Fan noise (eco mode) | 24 dB | — |
| Weight | 3 kg | — |
| Width | 313 mm | — |
| Height | 114 mm | — |
| Depth | 240 mm | — |
| Colours | White | Black |
