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- TH585 vs UHD300X
BenQ TH585 vs Optoma UHD300X
What TH585 does better (3) and where UHD300X wins (6) — every spec side by side.
Dimensions
Size comparison
TH585UHD300X
| TH585 | UHD300X | Difference | |
|---|---|---|---|
| Height | 110 mm | 118 mm | −8 mm |
| Width | 312 mm | 392 mm | −80 mm |
| Depth | 225 mm | 281 mm | −56 mm |
| Weight | 2.8 kg | 5.2 kg | −2.4 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is TH585 better than UHD300X?
- Brightness (ANSI / ISO lumens)3,500 lm vs 2,200 lm+59%
- Weight2.79 kg vs 5.2 kg+86%
- Power consumption297 W vs 305 W+3%
Why is UHD300X better than TH585?
- Resolution (on screen)1920 × 1080 (Full HD) vs 3840 × 2160 (4K UHD)
- Lens shiftNone vs Vertical
- Contrast ratio (dynamic / claimed)10,000:1 vs 250,000:125×
- HDR supportNo · TH585: Yes
- Ethernet (LAN)No · TH585: Yes
- 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 |
| Brightness (ANSI / ISO lumens) | 3,500 lm | 2,200 lm |
| Contrast ratio (dynamic / claimed) | 10,000:1 | 250,000:1 |
| HDR support | No | Yes |
| 3D playback | Yes | — |
| Gaming | ||
| Maximum refresh rate | 120 Hz | 120 Hz |
| Game / low-latency mode | Yes | — |
| Lens & placement | ||
| Throw ratio | 1.5:1 | 1.21:1 |
| Throw ratio (zoomed in) | 1.65:1 | 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 | 3.32 m | 2.68 m |
| Smallest image size | — | 34″ |
| Largest image size | — | 302″ |
| Optical zoom | 1.1× | 1.3× |
| Lens shift | None | Vertical |
| Keystone correction | Yes | — |
| Automatic keystone correction | No | — |
| Sound | ||
| Built-in speakers (total output) | 10 W | 10 W |
| Connectivity | ||
| HDMI inputs | 2 | 2 |
| USB port | Yes | Yes |
| Ethernet (LAN) | No | Yes |
| VGA input | Yes | Yes |
| Audio output | Yes | Yes |
| Battery, power & lifetime | ||
| Power consumption | 297 W | 305 W |
| Light source life | 4,000 h | 4,000 h |
| Light source life (eco mode) | — | 15,000 h |
| Design & noise | ||
| Fan noise | 35 dB | — |
| Fan noise (eco mode) | 29 dB | 25 dB |
| Weight | 2.79 kg | 5.2 kg |
| Width | 312 mm | 392 mm |
| Height | 110 mm | 118 mm |
| Depth | 225 mm | 281 mm |
| Colours | White | White |









