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- GP520 vs UHD38x
BenQ GP520 vs Optoma UHD38x
What GP520 does better (8) and where UHD38x wins (3) — every spec side by side.
Dimensions
Size comparison
GP520UHD38x
| GP520 | UHD38x | Difference | |
|---|---|---|---|
| Height | 151 mm | 118 mm | +33 mm |
| Width | 241 mm | 315 mm | −74 mm |
| Depth | 225 mm | 270 mm | −45 mm |
| Weight | 3.7 kg | 4 kg | −0.3 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is GP520 better than UHD38x?
- Light source life20,000 h vs 4,000 h5×
- Maximum refresh rate240 Hz vs 120 Hz2×
- Lens shiftVertical and horizontal vs None
- Automatic keystone correctionYes · UHD38x: No
- Built-in speakers (total output)12 W vs 10 W+20%
- Fan noise26 dB vs 28 dB+8%
- Power consumption186 W vs 305 W+64%
- Weight3.7 kg vs 3.98 kg+8%
Why is UHD38x better than GP520?
- Brightness (ANSI / ISO lumens)2,600 lm vs 4,000 lm+54%
- Contrast ratio (dynamic / claimed)200,000:1 vs 1,000,000:15×
- Audio outputNo · GP520: Yes
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) | 2,600 lm | 4,000 lm |
| Contrast ratio (dynamic / claimed) | 200,000:1 | 1,000,000:1 |
| HDR support | Yes | Yes |
| HDR formats | HDR10+, HDR10, HLG | HLG |
| Colour gamut (Rec.709) | 98% | — |
| Colour gamut (DCI-P3) | 81% | — |
| 3D playback | — | Yes |
| Gaming | ||
| Input lag | 17.9 ms | — |
| Maximum refresh rate | 240 Hz | 120 Hz |
| Game / low-latency mode | Yes | — |
| VRR / ALLM | Yes | — |
| Lens & placement | ||
| Throw ratio | 1.2:1 | 1.5:1 |
| Throw ratio (zoomed in) | — | 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 | 2.66 m | 3.32 m |
| Smallest image size | — | 33″ |
| Largest image size | — | 300″ |
| Optical zoom | — | 1.1× |
| Lens shift | Vertical and horizontal | None |
| Keystone correction | Yes | Yes |
| Automatic keystone correction | Yes | No |
| Sound | ||
| Built-in speakers (total output) | 12 W | 10 W |
| Dolby Atmos | Yes | — |
| Smart & streaming | ||
| Smart platform | Google TV | — |
| Built-in smart platform | Yes | — |
| Netflix (officially licensed) | Yes | — |
| Wi-Fi | Yes | — |
| Bluetooth | Yes | — |
| AirPlay | Yes | — |
| Chromecast built-in | Yes | — |
| Voice assistant | Google Assistant | — |
| Connectivity | ||
| HDMI inputs | 2 | 2 |
| HDMI version | — | 2 |
| HDMI eARC | Yes | — |
| USB-C video input | Yes | — |
| USB port | Yes | Yes |
| Ethernet (LAN) | No | No |
| VGA input | No | No |
| Audio output | No | Yes |
| Battery, power & lifetime | ||
| Power consumption | 186 W | 305 W |
| Light source life | 20,000 h | 4,000 h |
| Light source life (eco mode) | 30,000 h | 10,000 h |
| Design & noise | ||
| Fan noise | 26 dB | 28 dB |
| Fan noise (eco mode) | — | 26 dB |
| Weight | 3.7 kg | 3.98 kg |
| Width | 241 mm | 315 mm |
| Height | 151 mm | 118 mm |
| Depth | 225 mm | 270 mm |
| Colours | Black | White |
