- opendesign.foundation
- Compare
- PD2705UA vs VP3456A
BenQ PD2705UA vs ViewSonic VP3456A
What PD2705UA does better (3) and where VP3456A wins (5) — every spec side by side.
Dimensions
Size comparison
PD2705UAVP3456A
| PD2705UA | VP3456A | Difference | |
|---|---|---|---|
| Height | 703 mm | 480.5 mm | +222.5 mm |
| Width | 614 mm | 809 mm | −195 mm |
| Depth | 459 mm | 243 mm | +216 mm |
| Weight | 10 kg | 11.2 kg | −1.2 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is PD2705UA better than VP3456A?
- Pixel density163 ppi vs 110 ppi+48%
- Panel typeIPS vs VA
- Weight10 kg vs 11.2 kg+12%
Why is VP3456A better than PD2705UA?
- Brightness (typical)250 nits vs 400 nits+60%
- Contrast ratio (static)1,200:1 vs 4,000:13.3×
- HDMI inputs1 vs 22×
- Screen size27″ vs 34″+26%
- Refresh rate60 Hz vs 75 Hz+25%
Specifications
Side by side
| Display | ||
| Screen size | 27″ | 34″ |
| Resolution | 3840 × 2160 | 3440 × 1440 |
| Resolution class | 4K UHD | Ultrawide QHD |
| Pixel density | 163 ppi | 110 ppi |
| Aspect ratio | 16:9 | 21:9 |
| Panel type | IPS | VA |
| Refresh rate | 60 Hz | 75 Hz |
| Brightness (typical) | 250 nits | 400 nits |
| Contrast ratio (static) | 1,200:1 | 4,000:1 |
| Response time | 5 ms | 5 ms |
| Anti-glare / matte screen | Yes | Yes |
| Colour | ||
| sRGB coverage | 99% | 99% |
| Colour depth | — | 8 bit |
| HDR | HDR10 | — |
| Connectivity | ||
| USB-C video input (one cable) | Yes | — |
| USB-C charging (Power Delivery) | 65 W | — |
| KVM switch | Yes | — |
| HDMI inputs | 1 | 2 |
| DisplayPort inputs | 1 | 1 |
| USB hub | Yes | — |
| Built-in speakers | Yes | Yes |
| Design & ergonomics | ||
| Height adjustment | — | 130 mm |
| Pivot (portrait rotation) | Yes | — |
| Swivel | — | Yes |
| Weight | 10 kg | 11.2 kg |
| Width | 614 mm | 809 mm |
| Height | 703 mm | 480 mm |
| Depth | 459 mm | 243 mm |








