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- PD2705U vs UltraSharp U2721DE
BenQ PD2705U vs Dell UltraSharp U2721DE
What PD2705U does better (5) and where UltraSharp U2721DE wins (4) — every spec side by side.
vs
5.1Screen2.9
3.4Colour accuracy2.2
2.6Design & ergonomics5.8
Why is PD2705U better than UltraSharp U2721DE?
- Pixel density163 ppi vs 109 ppi+50%
- Colour depth10 bit vs 8 bit+25%
- HDMI inputs2 vs 12×
- Response time5 ms vs 8 ms+60%
- Contrast ratio (static)1,200:1 vs 1,000:1+20%
Why is UltraSharp U2721DE better than PD2705U?
- Brightness (typical)250 nits vs 350 nits+40%
- DisplayPort inputs1 vs 22×
- Pivot (portrait rotation)No · PD2705U: Yes
- Height adjustment110 mm vs 130 mm+18%
Specifications
Side by side
| Display | ||
| Screen size | 27″ | 27″ |
| Resolution | 3840 × 2160 | 2560 × 1440 |
| Resolution class | 4K UHD | QHD / 2.5K |
| Pixel density | 163 ppi | 109 ppi |
| Aspect ratio | 16:9 | 16:9 |
| Panel type | IPS | IPS |
| Refresh rate | 60 Hz | 60 Hz |
| Brightness (typical) | 250 nits | 350 nits |
| Peak brightness (HDR) | 350 nits | — |
| Contrast ratio (static) | 1,200:1 | 1,000:1 |
| Response time | 5 ms | 8 ms |
| Anti-glare / matte screen | Yes | Yes |
| Colour | ||
| sRGB coverage | 99% | 99% |
| DCI-P3 coverage | — | 85% |
| Colour depth | 10 bit | 8 bit |
| HDR | HDR10 | — |
| Connectivity | ||
| HDMI inputs | 2 | 1 |
| DisplayPort inputs | 1 | 2 |
| USB hub | Yes | Yes |
| Ethernet (RJ45) | — | Yes |
| Built-in speakers | Yes | — |
| Design & ergonomics | ||
| Height adjustment | 110 mm | 130 mm |
| Pivot (portrait rotation) | No | Yes |
| Swivel | Yes | Yes |
| VESA mount | 100 × 100 mm | 100 × 100 mm |
| Weight | 8.3 kg | — |
| Width | 615 mm | — |
| Height | 450 mm | — |
| Depth | 188 mm | — |
| Product line | BenQ PD | Dell UltraSharp |









