- Attenborough.film
- Compare
- GT1080HDR vs HZ40ST
Optoma GT1080HDR vs Optoma HZ40ST
What GT1080HDR does better (2) and where HZ40ST wins (2) — every spec side by side.
Dimensions
Size comparison
GT1080HDRHZ40ST
| GT1080HDR | HZ40ST | Difference | |
|---|---|---|---|
| Height | 112 mm | 122 mm | −10 mm |
| Width | 316 mm | 337 mm | −21 mm |
| Depth | 257 mm | 265 mm | −8 mm |
| Weight | 3 kg | 5.5 kg | −2.5 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is GT1080HDR better than HZ40ST?
- Fan noise26 dB vs 32 dB+23%
- Weight3 kg vs 5.5 kg+83%
Why is HZ40ST better than GT1080HDR?
- Brightness (ANSI / ISO lumens)3,800 lm vs 4,200 lm+11%
- HDMI inputs1 vs 22×
Specifications
Side by side
| Picture | ||
| Resolution (on screen) | — | 1920 × 1080 (Full HD) |
| Native panel resolution | — | 1920 × 1080 (Full HD) |
| Display technology | DLP | DLP |
| Light source | Lamp | Laser |
| Brightness (ANSI / ISO lumens) | 3,800 lm | 4,200 lm |
| Contrast ratio (dynamic / claimed) | — | 2,500,000:1 |
| HDR support | Yes | Yes |
| HDR formats | HDR10 | — |
| 3D playback | Yes | Yes |
| Gaming | ||
| Maximum refresh rate | — | 85 Hz |
| Game / low-latency mode | Yes | — |
| Lens & placement | ||
| Throw ratio | 0.5:1 | 0.5:1 |
| Throw type | Short throw (0.4–1.0:1) | Short throw (0.4–1.0:1) |
| Distance for a 100″ 16:9 image | 1.11 m | 1.11 m |
| Smallest image size | — | 36″ |
| Largest image size | — | 300″ |
| Lens shift | — | None |
| Keystone correction | Yes | Yes |
| Automatic keystone correction | No | No |
| Sound | ||
| Built-in speakers (total output) | — | 20 W |
| Smart & streaming | ||
| Wi-Fi | — | Yes |
| Connectivity | ||
| HDMI inputs | 1 | 2 |
| HDMI version | — | 2 |
| USB port | — | Yes |
| Ethernet (LAN) | — | Yes |
| VGA input | Yes | Yes |
| Audio output | — | Yes |
| Battery, power & lifetime | ||
| Light source life | — | 30,000 h |
| Design & noise | ||
| Fan noise | 26 dB | 32 dB |
| Fan noise (eco mode) | — | 30 dB |
| Weight | 3 kg | 5.5 kg |
| Width | 316 mm | 337 mm |
| Height | 112 mm | 122 mm |
| Depth | 257 mm | 265 mm |
| Colours | — | White |
