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- GT1080HDR vs X100-4K
Optoma GT1080HDR vs ViewSonic X100-4K
What GT1080HDR does better (2) and where X100-4K wins (2) — every spec side by side.
Dimensions
Size comparison
GT1080HDRX100-4K
| GT1080HDR | X100-4K | Difference | |
|---|---|---|---|
| Height | 112 mm | 183 mm | −71 mm |
| Width | 316 mm | 416 mm | −100 mm |
| Depth | 257 mm | 463 mm | −206 mm |
| Weight | 3 kg | 7.6 kg | −4.6 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is GT1080HDR better than X100-4K?
- Brightness (ANSI / ISO lumens)3,800 lm vs 2,900 lm+31%
- Weight3 kg vs 7.6 kg2.5×
Why is X100-4K better than GT1080HDR?
- HDMI inputs1 vs 44×
- Fan noise26 dB vs 23 dB+13%
Specifications
Side by side
| Picture | ||
| Resolution (on screen) | — | 3840 × 2160 (4K UHD) |
| Native panel resolution | — | 1920 × 1080 (Full HD) |
| 4K method | — | 4K by pixel shifting |
| Display technology | DLP | DLP |
| Light source | Lamp | LED |
| Brightness (ANSI / ISO lumens) | 3,800 lm | 2,900 lm |
| Contrast ratio (dynamic / claimed) | — | 3,000,000:1 |
| HDR support | Yes | Yes |
| HDR formats | HDR10 | HDR10 |
| 3D playback | Yes | Yes |
| Gaming | ||
| Maximum refresh rate | — | 85 Hz |
| Game / low-latency mode | Yes | — |
| Lens & placement | ||
| Throw ratio | 0.5:1 | 1.2:1 |
| Throw ratio (zoomed in) | — | 1.44:1 |
| Throw type | Short throw (0.4–1.0:1) | Standard throw (1.0:1 and longer) |
| Distance for a 100″ 16:9 image | 1.11 m | 2.66 m |
| Smallest image size | — | 40″ |
| Largest image size | — | 200″ |
| Optical zoom | — | 1.2× |
| Lens shift | — | Vertical |
| Keystone correction | Yes | Yes |
| Automatic keystone correction | No | No |
| Sound | ||
| Built-in speakers (total output) | — | 40 W |
| Smart & streaming | ||
| Wi-Fi | — | Yes |
| Bluetooth | — | Yes |
| Internal storage | — | 16 GB |
| Connectivity | ||
| HDMI inputs | 1 | 4 |
| HDMI version | — | 2 |
| USB port | — | Yes |
| Ethernet (LAN) | — | Yes |
| VGA input | Yes | Yes |
| Audio output | — | Yes |
| Battery, power & lifetime | ||
| Power consumption | — | 159 W |
| Light source life | — | 30,000 h |
| Design & noise | ||
| Fan noise | 26 dB | 23 dB |
| Fan noise (eco mode) | — | 20 dB |
| Weight | 3 kg | 7.6 kg |
| Width | 316 mm | 416 mm |
| Height | 112 mm | 183 mm |
| Depth | 257 mm | 463 mm |
| Colours | — | Black |
