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- EF-100 vs X100-4K
Epson EF-100 vs ViewSonic X100-4K
What EF-100 does better (3) and where X100-4K wins (9) — every spec side by side.
Dimensions
Size comparison
EF-100X100-4K
| EF-100 | X100-4K | Difference | |
|---|---|---|---|
| Height | 92 mm | 183 mm | −91 mm |
| Width | 210 mm | 416 mm | −206 mm |
| Depth | 230 mm | 463 mm | −233 mm |
| Weight | 2.7 kg | 7.6 kg | −4.9 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is EF-100 better than X100-4K?
- Automatic keystone correctionYes · X100-4K: No
- Weight2.7 kg vs 7.6 kg2.8×
- Optical zoom1.35× vs 1.2×+13%
Why is X100-4K better than EF-100?
- Resolution (on screen)1280 × 720 (HD) vs 3840 × 2160 (4K UHD)
- Built-in speakers (total output)5 W vs 40 W8×
- Brightness (ANSI / ISO lumens)2,000 lm vs 2,900 lm+45%
- HDMI inputs1 vs 44×
- Fan noise29 dB vs 23 dB+26%
- Native panel resolution1280 × 720 (HD) vs 1920 × 1080 (Full HD)
- Largest image size150″ vs 200″+33%
- Contrast ratio (dynamic / claimed)2,500,000:1 vs 3,000,000:1+20%
- Power consumption172 W vs 159 W+8%
Specifications
Side by side
| Picture | ||
| Resolution (on screen) | 1280 × 720 (HD) | 3840 × 2160 (4K UHD) |
| Native panel resolution | 1280 × 720 (HD) | 1920 × 1080 (Full HD) |
| 4K method | — | 4K by pixel shifting |
| Display technology | 3LCD | DLP |
| Light source | Laser | LED |
| Brightness (ANSI / ISO lumens) | 2,000 lm | 2,900 lm |
| Contrast ratio (dynamic / claimed) | 2,500,000:1 | 3,000,000:1 |
| HDR support | — | Yes |
| HDR formats | — | HDR10 |
| 3D playback | Yes | Yes |
| Gaming | ||
| Maximum refresh rate | — | 85 Hz |
| Lens & placement | ||
| Throw ratio | 1.04:1 | 1.2:1 |
| Throw ratio (zoomed in) | 1.4:1 | 1.44:1 |
| Throw type | Standard throw (1.0:1 and longer) | Standard throw (1.0:1 and longer) |
| Distance for a 100″ 16:9 image | 2.3 m | 2.66 m |
| Smallest image size | 30″ | 40″ |
| Largest image size | 150″ | 200″ |
| Optical zoom | 1.35× | 1.2× |
| Lens shift | — | Vertical |
| Keystone correction | Yes | Yes |
| Automatic keystone correction | Yes | No |
| Sound | ||
| Built-in speakers (total output) | 5 W | 40 W |
| Smart & streaming | ||
| Wi-Fi | — | Yes |
| Bluetooth | Yes | Yes |
| Internal storage | — | 16 GB |
| Connectivity | ||
| HDMI inputs | 1 | 4 |
| HDMI version | — | 2 |
| USB port | Yes | Yes |
| Ethernet (LAN) | — | Yes |
| VGA input | — | Yes |
| Audio output | — | Yes |
| Battery, power & lifetime | ||
| Power consumption | 172 W | 159 W |
| Light source life | — | 30,000 h |
| Design & noise | ||
| Fan noise | 29 dB | 23 dB |
| Fan noise (eco mode) | 26 dB | 20 dB |
| Weight | 2.7 kg | 7.6 kg |
| Width | 210 mm | 416 mm |
| Height | 92 mm | 183 mm |
| Depth | 230 mm | 463 mm |
| Colours | — | Black |
