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- TH575 vs PX749-4K
BenQ TH575 vs ViewSonic PX749-4K
What TH575 does better (2) and where PX749-4K wins (6) — every spec side by side.
Dimensions
Size comparison
TH575PX749-4K
| TH575 | PX749-4K | Difference | |
|---|---|---|---|
| Height | 120 mm | 222 mm | −102 mm |
| Width | 296 mm | 312 mm | −16 mm |
| Depth | 221 mm | 108 mm | +113 mm |
| Weight | 2.5 kg | 3 kg | −0.5 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is TH575 better than PX749-4K?
- Contrast ratio (dynamic / claimed)15,000:1 vs 12,000:1+25%
- Weight2.5 kg vs 3 kg+20%
Why is PX749-4K better than TH575?
- Resolution (on screen)1920 × 1080 (Full HD) vs 3840 × 2160 (4K UHD)
- Light source life6,000 h vs 40,000 h6.7×
- Brightness (ANSI / ISO lumens)3,800 lm vs 4,000 lm+5%
- Ethernet (LAN)No · TH575: Yes
- Audio outputNo · TH575: Yes
- HDMI version1.4 vs 2+43%
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) | 3,800 lm | 4,000 lm |
| Native contrast ratio | 15,000:1 | — |
| Contrast ratio (dynamic / claimed) | 15,000:1 | 12,000:1 |
| Colour gamut (Rec.709) | 88% | — |
| 3D playback | Yes | — |
| Gaming | ||
| Input lag | 16.7 ms | — |
| Maximum refresh rate | 120 Hz | — |
| Lens & placement | ||
| Throw ratio | 1.49:1 | — |
| Throw ratio (zoomed in) | 1.64:1 | — |
| Throw type | Standard throw (1.0:1 and longer) | — |
| Distance for a 100″ 16:9 image | 3.3 m | — |
| Optical zoom | 1.1× | — |
| Keystone correction | Yes | — |
| Automatic keystone correction | Yes | — |
| Sound | ||
| Built-in speakers (total output) | 10 W | — |
| Connectivity | ||
| HDMI inputs | 2 | 2 |
| HDMI version | 1.4 | 2 |
| USB port | Yes | Yes |
| Ethernet (LAN) | No | Yes |
| VGA input | No | No |
| Audio output | No | Yes |
| Battery, power & lifetime | ||
| Power consumption | 260 W | — |
| Light source life | 6,000 h | 40,000 h |
| Light source life (eco mode) | 10,000 h | 20,000 h |
| Design & noise | ||
| Fan noise | 34 dB | — |
| Fan noise (eco mode) | 29 dB | — |
| Weight | 2.5 kg | 3 kg |
| Width | 296 mm | 312 mm |
| Height | 120 mm | 222 mm |
| Depth | 221 mm | 108 mm |
| Colours | White | White |
