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- TH685P vs W1800
BenQ TH685P vs BenQ W1800
What TH685P does better (2) and where W1800 wins (4) — every spec side by side.
Dimensions
Size comparison
TH685PW1800
| TH685P | W1800 | Difference | |
|---|---|---|---|
| Height | 110 mm | 110 mm | = |
| Width | 312 mm | 312 mm | = |
| Depth | 225 mm | 246 mm | −21 mm |
| Weight | 2.8 kg | 3.1 kg | −0.3 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is TH685P better than W1800?
- Largest image size300″ vs 200″+50%
- Weight2.8 kg vs 3.1 kg+11%
Why is W1800 better than TH685P?
- Resolution (on screen)1920 × 1080 (Full HD) vs 3840 × 2160 (4K UHD)
- Maximum refresh rate120 Hz vs 240 Hz2×
- HDMI inputs1 vs 22×
- Fan noise35 dB vs 34 dB+3%
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 | Lamp | Lamp |
| Brightness (ANSI / ISO lumens) | — | 2,000 lm |
| Native contrast ratio | — | 10,000:1 |
| Contrast ratio (dynamic / claimed) | — | 10,000:1 |
| HDR support | — | Yes |
| HDR formats | — | HLG |
| Colour gamut (Rec.709) | — | 100% |
| 3D playback | — | Yes |
| Gaming | ||
| Input lag | — | 4.2 ms |
| Maximum refresh rate | 120 Hz | 240 Hz |
| Lens & placement | ||
| Throw ratio | 1.13:1 | 1.13:1 |
| Throw ratio (zoomed in) | 1.46:1 | 1.46:1 |
| Throw type | Standard throw (1.0:1 and longer) | Standard throw (1.0:1 and longer) |
| Distance for a 100″ 16:9 image | 2.5 m | 2.5 m |
| Smallest image size | 30″ | 60″ |
| Largest image size | 300″ | 200″ |
| Optical zoom | — | 1.3× |
| Lens shift | — | None |
| Keystone correction | — | Yes |
| Automatic keystone correction | — | No |
| Sound | ||
| Built-in speakers (total output) | 5 W | 5 W |
| Smart & streaming | ||
| Smart platform | — | Android TV |
| Built-in smart platform | — | Yes |
| Chromecast built-in | — | Yes |
| Connectivity | ||
| HDMI inputs | 1 | 2 |
| HDMI eARC | — | Yes |
| USB-C video input | Yes | — |
| USB port | Yes | Yes |
| Ethernet (LAN) | No | No |
| VGA input | Yes | No |
| Audio output | Yes | Yes |
| Battery, power & lifetime | ||
| Power consumption | — | 296 W |
| Light source life | 4,000 h | 4,000 h |
| Light source life (eco mode) | 10,000 h | 10,000 h |
| Design & noise | ||
| Fan noise | 35 dB | 34 dB |
| Fan noise (eco mode) | 29 dB | 29 dB |
| Weight | 2.8 kg | 3.1 kg |
| Width | 312 mm | 312 mm |
| Height | 110 mm | 110 mm |
| Depth | 225 mm | 246 mm |
| Colours | White | White |
