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- EF-11 vs Qumi Q38
Epson EF-11 vs Vivitek Qumi Q38
What EF-11 does better (5) and where Qumi Q38 wins (4) — every spec side by side.
Dimensions
Size comparison
EF-11Qumi Q38
| EF-11 | Qumi Q38 | Difference | |
|---|---|---|---|
| Height | 65 mm | 34 mm | +31 mm |
| Width | 175 mm | 188 mm | −13 mm |
| Depth | 175 mm | 118 mm | +57 mm |
| Weight | 1.2 kg | 0.7 kg | +0.5 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is EF-11 better than Qumi Q38?
- Brightness (ANSI / ISO lumens)1,000 lm vs 600 lm+67%
- Automatic keystone correctionYes · Qumi Q38: No
- Contrast ratio (dynamic / claimed)2,500,000:1 vs 10,000:1250×
- Fan noise27 dB vs 32 dB+19%
- Largest image size150″ vs 130″+15%
Why is Qumi Q38 better than EF-11?
- Light source life12,000 h vs 30,000 h2.5×
- Built-in speakers (total output)2 W vs 4 W2×
- Weight1.2 kg vs 0.74 kg+62%
- Power consumption102 W vs 66 W+55%
Specifications
Side by side
| Picture | ||
| Resolution (on screen) | 1920 × 1080 (Full HD) | 1920 × 1080 (Full HD) |
| Native panel resolution | 1920 × 1080 (Full HD) | 1920 × 1080 (Full HD) |
| Display technology | 3LCD | DLP |
| Light source | Laser | LED |
| Brightness (ANSI / ISO lumens) | 1,000 lm | 600 lm |
| Contrast ratio (dynamic / claimed) | 2,500,000:1 | 10,000:1 |
| 3D playback | Yes | — |
| Lens & placement | ||
| Throw ratio | 1:1 | 1.2:1 |
| Throw ratio (zoomed in) | 1.37:1 | — |
| Throw type | Standard throw (1.0:1 and longer) | Standard throw (1.0:1 and longer) |
| Distance for a 100″ 16:9 image | 2.21 m | 2.66 m |
| Smallest image size | 30″ | 19″ |
| Largest image size | 150″ | 130″ |
| Optical zoom | 1.36× | — |
| Lens shift | None | None |
| Autofocus | No | No |
| Keystone correction | Yes | Yes |
| Automatic keystone correction | Yes | No |
| Sound | ||
| Built-in speakers (total output) | 2 W | 4 W |
| Smart & streaming | ||
| Wi-Fi | No | — |
| Bluetooth | Yes | — |
| Connectivity | ||
| HDMI inputs | 1 | 1 |
| HDMI version | 1.4 | — |
| USB port | Yes | Yes |
| Ethernet (LAN) | No | No |
| VGA input | No | Yes |
| Audio output | Yes | Yes |
| Battery, power & lifetime | ||
| Built-in battery | — | Yes |
| Power consumption | 102 W | 66 W |
| Light source life | 12,000 h | 30,000 h |
| Design & noise | ||
| Fan noise | 27 dB | 32 dB |
| Fan noise (eco mode) | 22 dB | — |
| Weight | 1.2 kg | 0.74 kg |
| Width | 175 mm | 188 mm |
| Height | 65 mm | 34 mm |
| Depth | 175 mm | 118 mm |
| Colours | Black | — |
