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- C250i vs M1
Acer C250i vs ViewSonic M1
What C250i does better (3) and where M1 wins (0) — every spec side by side.
Why is C250i better than M1?
- Automatic keystone correctionYes · M1: No
- Brightness (ANSI / ISO lumens)300 lm vs 250 lm+20%
- Weight0.78 kg vs 0.8 kg+3%
Why is M1 better than C250i?
M1 has no measurable advantages in this pair.
Specifications
Side by side
| Picture | ||
| Resolution (on screen) | — | 854 × 480 (480p) |
| Native panel resolution | — | 854 × 480 (480p) |
| Display technology | DLP | DLP |
| Light source | LED | LED |
| Brightness (ANSI / ISO lumens) | 300 lm | 250 lm |
| Contrast ratio (dynamic / claimed) | — | 120,000:1 |
| HDR support | — | No |
| Gaming | ||
| Maximum refresh rate | — | 120 Hz |
| Lens & placement | ||
| Throw ratio | 1.21:1 | 1.2:1 |
| Throw type | Standard throw (1.0:1 and longer) | Standard throw (1.0:1 and longer) |
| Distance for a 100″ 16:9 image | 2.68 m | 2.66 m |
| Smallest image size | — | 24″ |
| Largest image size | — | 100″ |
| Lens shift | — | None |
| Keystone correction | Yes | Yes |
| Automatic keystone correction | Yes | No |
| Sound | ||
| Built-in speakers (total output) | — | 6 W |
| Smart & streaming | ||
| Wi-Fi | Yes | Yes |
| Bluetooth | Yes | — |
| Connectivity | ||
| HDMI inputs | 1 | 1 |
| USB port | Yes | Yes |
| Ethernet (LAN) | — | No |
| VGA input | — | No |
| Audio output | — | Yes |
| Battery, power & lifetime | ||
| Built-in battery | Yes | Yes |
| Power consumption | — | 55 W |
| Light source life | — | 30,000 h |
| Design & noise | ||
| Fan noise | 28 dB | — |
| Weight | 0.78 kg | 0.8 kg |
| Width | — | 148 mm |
| Height | — | 41 mm |
| Depth | — | 126 mm |
