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- W1800 vs 4K400x
BenQ W1800 vs Optoma 4K400x
What W1800 does better (3) and where 4K400x wins (5) — every spec side by side.
Dimensions
Size comparison
W18004K400x
| W1800 | 4K400x | Difference | |
|---|---|---|---|
| Height | 110 mm | 118 mm | −8 mm |
| Width | 312 mm | 315 mm | −3 mm |
| Depth | 246 mm | 270 mm | −24 mm |
| Weight | 3.1 kg | 3.5 kg | −0.4 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is W1800 better than 4K400x?
- Maximum refresh rate240 Hz vs 120 Hz2×
- Weight3.1 kg vs 3.5 kg+13%
- Power consumption296 W vs 305 W+3%
Why is 4K400x better than W1800?
- Brightness (ANSI / ISO lumens)2,000 lm vs 4,000 lm2×
- Built-in speakers (total output)5 W vs 10 W2×
- Contrast ratio (dynamic / claimed)10,000:1 vs 1,000,000:1100×
- Fan noise34 dB vs 28 dB+21%
- Largest image size200″ vs 300″+50%
Specifications
Side by side
| Picture | ||
| Resolution (on screen) | 3840 × 2160 (4K UHD) | 3840 × 2160 (4K UHD) |
| Native panel resolution | 1920 × 1080 (Full HD) | 1920 × 1080 (Full HD) |
| 4K method | 4K by pixel shifting | 4K by pixel shifting |
| Display technology | DLP | DLP |
| Light source | Lamp | — |
| Brightness (ANSI / ISO lumens) | 2,000 lm | 4,000 lm |
| Native contrast ratio | 10,000:1 | — |
| Contrast ratio (dynamic / claimed) | 10,000:1 | 1,000,000:1 |
| HDR support | Yes | Yes |
| HDR formats | HLG | — |
| Colour gamut (Rec.709) | 100% | — |
| Motion interpolation (MEMC) | — | Yes |
| 3D playback | Yes | Yes |
| Gaming | ||
| Input lag | 4.2 ms | — |
| Maximum refresh rate | 240 Hz | 120 Hz |
| Game / low-latency mode | — | Yes |
| Lens & placement | ||
| Throw ratio | 1.13:1 | 1.5:1 |
| Throw ratio (zoomed in) | 1.46:1 | 1.66:1 |
| 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 | 3.32 m |
| Smallest image size | 60″ | 33″ |
| Largest image size | 200″ | 300″ |
| Optical zoom | 1.3× | — |
| Lens shift | None | None |
| Keystone correction | Yes | Yes |
| Automatic keystone correction | No | No |
| Sound | ||
| Built-in speakers (total output) | 5 W | 10 W |
| Smart & streaming | ||
| Smart platform | Android TV | — |
| Built-in smart platform | Yes | — |
| Chromecast built-in | Yes | — |
| Connectivity | ||
| HDMI inputs | 2 | 2 |
| HDMI version | — | 2 |
| HDMI eARC | Yes | — |
| USB port | Yes | Yes |
| Ethernet (LAN) | No | No |
| VGA input | No | No |
| Audio output | Yes | Yes |
| Battery, power & lifetime | ||
| Power consumption | 296 W | 305 W |
| Light source life | 4,000 h | 4,000 h |
| Light source life (eco mode) | 10,000 h | 15,000 h |
| Design & noise | ||
| Fan noise | 34 dB | 28 dB |
| Fan noise (eco mode) | 29 dB | 26 dB |
| Weight | 3.1 kg | 3.5 kg |
| Width | 312 mm | 315 mm |
| Height | 110 mm | 118 mm |
| Depth | 246 mm | 270 mm |
| Colours | White | White |
