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- EF-100 vs GT1080HDR
Epson EF-100 vs Optoma GT1080HDR
What EF-100 does better (2) and where GT1080HDR wins (2) — every spec side by side.
Dimensions
Size comparison
EF-100GT1080HDR
| EF-100 | GT1080HDR | Difference | |
|---|---|---|---|
| Height | 92 mm | 112 mm | −20 mm |
| Width | 210 mm | 316 mm | −106 mm |
| Depth | 230 mm | 257 mm | −27 mm |
| Weight | 2.7 kg | 3 kg | −0.3 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is EF-100 better than GT1080HDR?
- Automatic keystone correctionYes · GT1080HDR: No
- Weight2.7 kg vs 3 kg+11%
Why is GT1080HDR better than EF-100?
- Brightness (ANSI / ISO lumens)2,000 lm vs 3,800 lm+90%
- Fan noise29 dB vs 26 dB+12%
Specifications
Side by side
| Picture | ||
| Resolution (on screen) | 1280 × 720 (HD) | — |
| Native panel resolution | 1280 × 720 (HD) | — |
| Display technology | 3LCD | DLP |
| Light source | Laser | Lamp |
| Brightness (ANSI / ISO lumens) | 2,000 lm | 3,800 lm |
| Contrast ratio (dynamic / claimed) | 2,500,000:1 | — |
| HDR support | — | Yes |
| HDR formats | — | HDR10 |
| 3D playback | Yes | Yes |
| Gaming | ||
| Game / low-latency mode | — | Yes |
| Lens & placement | ||
| Throw ratio | 1.04:1 | 0.5:1 |
| Throw ratio (zoomed in) | 1.4:1 | — |
| Throw type | Standard throw (1.0:1 and longer) | Short throw (0.4–1.0:1) |
| Distance for a 100″ 16:9 image | 2.3 m | 1.11 m |
| Smallest image size | 30″ | — |
| Largest image size | 150″ | — |
| Optical zoom | 1.35× | — |
| Keystone correction | Yes | Yes |
| Automatic keystone correction | Yes | No |
| Sound | ||
| Built-in speakers (total output) | 5 W | — |
| Smart & streaming | ||
| Bluetooth | Yes | — |
| Connectivity | ||
| HDMI inputs | 1 | 1 |
| USB port | Yes | — |
| VGA input | — | Yes |
| Battery, power & lifetime | ||
| Power consumption | 172 W | — |
| Design & noise | ||
| Fan noise | 29 dB | 26 dB |
| Fan noise (eco mode) | 26 dB | — |
| Weight | 2.7 kg | 3 kg |
| Width | 210 mm | 316 mm |
| Height | 92 mm | 112 mm |
| Depth | 230 mm | 257 mm |
