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- M1 vs Qumi Q38
ViewSonic M1 vs Vivitek Qumi Q38
What M1 does better (3) and where Qumi Q38 wins (5) — every spec side by side.
Dimensions
Size comparison
M1Qumi Q38
| M1 | Qumi Q38 | Difference | |
|---|---|---|---|
| Height | 41 mm | 34 mm | +7 mm |
| Width | 148 mm | 188 mm | −40 mm |
| Depth | 126 mm | 118 mm | +8 mm |
| Weight | 0.8 kg | 0.7 kg | +0.1 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is M1 better than Qumi Q38?
- Built-in speakers (total output)6 W vs 4 W+50%
- Contrast ratio (dynamic / claimed)120,000:1 vs 10,000:112×
- Power consumption55 W vs 66 W+20%
Why is Qumi Q38 better than M1?
- Brightness (ANSI / ISO lumens)250 lm vs 600 lm2.4×
- Resolution (on screen)854 × 480 (480p) vs 1920 × 1080 (Full HD)
- Native panel resolution854 × 480 (480p) vs 1920 × 1080 (Full HD)
- Largest image size100″ vs 130″+30%
- Weight0.8 kg vs 0.74 kg+8%
Specifications
Side by side
| Picture | ||
| Resolution (on screen) | 854 × 480 (480p) | 1920 × 1080 (Full HD) |
| Native panel resolution | 854 × 480 (480p) | 1920 × 1080 (Full HD) |
| Display technology | DLP | DLP |
| Light source | LED | LED |
| Brightness (ANSI / ISO lumens) | 250 lm | 600 lm |
| Contrast ratio (dynamic / claimed) | 120,000:1 | 10,000:1 |
| HDR support | No | — |
| Gaming | ||
| Maximum refresh rate | 120 Hz | — |
| Lens & placement | ||
| Throw ratio | 1.2:1 | 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 | 2.66 m | 2.66 m |
| Smallest image size | 24″ | 19″ |
| Largest image size | 100″ | 130″ |
| Lens shift | None | None |
| Autofocus | — | No |
| Keystone correction | Yes | Yes |
| Automatic keystone correction | No | No |
| Sound | ||
| Built-in speakers (total output) | 6 W | 4 W |
| Smart & streaming | ||
| Wi-Fi | Yes | — |
| Connectivity | ||
| HDMI inputs | 1 | 1 |
| USB port | Yes | Yes |
| Ethernet (LAN) | No | No |
| VGA input | No | Yes |
| Audio output | Yes | Yes |
| Battery, power & lifetime | ||
| Built-in battery | Yes | Yes |
| Power consumption | 55 W | 66 W |
| Light source life | 30,000 h | 30,000 h |
| Design & noise | ||
| Fan noise | — | 32 dB |
| Weight | 0.8 kg | 0.74 kg |
| Width | 148 mm | 188 mm |
| Height | 41 mm | 34 mm |
| Depth | 126 mm | 118 mm |
