- Attenborough.film
- Compare
- HZ40HDR vs UZ38X
Optoma HZ40HDR vs Optoma UZ38X
What HZ40HDR does better (4) and where UZ38X wins (2) — every spec side by side.
Dimensions
Size comparison
HZ40HDRUZ38X
| HZ40HDR | UZ38X | Difference | |
|---|---|---|---|
| Height | 114 mm | 130 mm | −16 mm |
| Width | 274 mm | 238 mm | +36 mm |
| Depth | 216 mm | 215 mm | +1 mm |
| Weight | 3 kg | 3.4 kg | −0.4 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is HZ40HDR better than UZ38X?
- Brightness (ANSI / ISO lumens)4,000 lm vs 3,800 lm+5%
- Fan noise32 dB vs 33 dB+3%
- Contrast ratio (dynamic / claimed)2,000,000:1 vs 1,500,000:1+33%
- Weight3 kg vs 3.4 kg+13%
Why is UZ38X better than HZ40HDR?
- Resolution (on screen)1920 × 1080 (Full HD) vs 3840 × 2160 (4K UHD)
- Optical zoom1.1× vs 1.3×+18%
Specifications
Side by side
| Picture | ||
| Resolution (on screen) | 1920 × 1080 (Full HD) | 3840 × 2160 (4K UHD) |
| Native panel resolution | 1920 × 1080 (Full HD) | 1920 × 1080 (Full HD) |
| 4K method | — | 4K by pixel shifting |
| Display technology | DLP | DLP |
| Light source | Laser | Laser |
| Brightness (ANSI / ISO lumens) | 4,000 lm | 3,800 lm |
| Contrast ratio (dynamic / claimed) | 2,000,000:1 | 1,500,000:1 |
| HDR support | Yes | — |
| 3D playback | Yes | — |
| Gaming | ||
| Maximum refresh rate | 120 Hz | — |
| Game / low-latency mode | Yes | — |
| Lens & placement | ||
| Throw ratio | 1.48:1 | 1.21:1 |
| Throw ratio (zoomed in) | 1.62:1 | 1.59:1 |
| Throw type | Standard throw (1.0:1 and longer) | Standard throw (1.0:1 and longer) |
| Distance for a 100″ 16:9 image | 3.28 m | 2.68 m |
| Smallest image size | 20″ | 28″ |
| Largest image size | 300″ | 300″ |
| Optical zoom | 1.1× | 1.3× |
| Lens shift | None | — |
| Keystone correction | — | Yes |
| Automatic keystone correction | — | No |
| Sound | ||
| Built-in speakers (total output) | — | 15 W |
| Connectivity | ||
| HDMI inputs | 2 | 2 |
| HDMI version | 2 | 2 |
| USB port | Yes | Yes |
| Ethernet (LAN) | No | No |
| VGA input | No | No |
| Audio output | Yes | Yes |
| Battery, power & lifetime | ||
| Power consumption | 139 W | — |
| Light source life | 30,000 h | 30,000 h |
| Design & noise | ||
| Fan noise | 32 dB | 33 dB |
| Fan noise (eco mode) | — | 28 dB |
| Weight | 3 kg | 3.4 kg |
| Width | 274 mm | 238 mm |
| Height | 114 mm | 130 mm |
| Depth | 216 mm | 215 mm |
| Colours | White | Black |
