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- W2720i vs 4K400STx
BenQ W2720i vs Optoma 4K400STx
What W2720i does better (7) and where 4K400STx wins (2) — every spec side by side.
Dimensions
Size comparison
W2720i4K400STx
| W2720i | 4K400STx | Difference | |
|---|---|---|---|
| Height | 143 mm | 118 mm | +25 mm |
| Width | 420 mm | 315 mm | +105 mm |
| Depth | 305 mm | 270 mm | +35 mm |
| Weight | 6.4 kg | 3.9 kg | +2.5 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is W2720i better than 4K400STx?
- Light source life20,000 h vs 4,000 h5×
- Maximum refresh rate240 Hz vs 120 Hz2×
- Lens shiftVertical vs None
- Automatic keystone correctionYes · 4K400STx: No
- Contrast ratio (dynamic / claimed)2,000,000:1 vs 1,000,000:12×
- HDMI inputs3 vs 2+50%
- Power consumption241 W vs 320 W+33%
Why is 4K400STx better than W2720i?
- Brightness (ANSI / ISO lumens)2,500 lm vs 4,000 lm+60%
- Weight6.4 kg vs 3.9 kg+64%
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 | LED | — |
| Brightness (ANSI / ISO lumens) | 2,500 lm | 4,000 lm |
| Contrast ratio (dynamic / claimed) | 2,000,000:1 | 1,000,000:1 |
| HDR support | Yes | Yes |
| HDR formats | HDR10+, HDR10, HLG | — |
| Colour gamut (Rec.709) | 98% | — |
| Colour gamut (DCI-P3) | 90% | — |
| Motion interpolation (MEMC) | Yes | Yes |
| 3D playback | Yes | Yes |
| Gaming | ||
| Input lag | 6.5 ms | — |
| Maximum refresh rate | 240 Hz | 120 Hz |
| Game / low-latency mode | Yes | Yes |
| VRR / ALLM | Yes | — |
| Lens & placement | ||
| Throw ratio | 1:1 | 0.5:1 |
| Throw ratio (zoomed in) | 1.3:1 | — |
| Throw type | Standard throw (1.0:1 and longer) | Short throw (0.4–1.0:1) |
| Distance for a 100″ 16:9 image | 2.21 m | 1.11 m |
| Smallest image size | — | 33″ |
| Largest image size | — | 300″ |
| Optical zoom | 1.3× | — |
| Lens shift | Vertical | None |
| Autofocus | Yes | — |
| Keystone correction | Yes | Yes |
| Automatic keystone correction | Yes | No |
| Sound | ||
| Built-in speakers (total output) | 10 W | 10 W |
| Dolby Atmos | Yes | — |
| Smart & streaming | ||
| Smart platform | Android TV | — |
| Built-in smart platform | Yes | — |
| Wi-Fi | Yes | — |
| Chromecast built-in | Yes | — |
| Connectivity | ||
| HDMI inputs | 3 | 2 |
| HDMI version | 2 | 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 | 241 W | 320 W |
| Light source life | 20,000 h | 4,000 h |
| Light source life (eco mode) | 30,000 h | 15,000 h |
| Design & noise | ||
| Fan noise | 28 dB | 28 dB |
| Fan noise (eco mode) | 28 dB | 24 dB |
| Weight | 6.4 kg | 3.9 kg |
| Width | 420 mm | 315 mm |
| Height | 143 mm | 118 mm |
| Depth | 305 mm | 270 mm |
| Colours | Black | White |
