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- ProArt PA27DCE vs UltraSharp U4021QW
Asus ProArt PA27DCE vs Dell UltraSharp U4021QW
What ProArt PA27DCE does better (7) and where UltraSharp U4021QW wins (2) — every spec side by side.
vs
7.7Screen4.0
5.2Connectivity7.9
5.2Design & ergonomics2.3
Why is ProArt PA27DCE better than UltraSharp U4021QW?
- Pixel density164 ppi vs 140 ppi+17%
- Contrast ratio (static)1,000,000:1 vs 1,000:11,000×
- Response time0.1 ms vs 8 ms80×
- Panel typeOLED vs IPS
- Pivot (portrait rotation)Yes · UltraSharp U4021QW: No
- HDMI inputs3 vs 2+50%
- Height adjustment130 mm vs 120 mm+8%
Why is UltraSharp U4021QW better than ProArt PA27DCE?
- Brightness (typical)200 nits vs 300 nits+50%
- Screen size26.9″ vs 40″+49%
Specifications
Side by side
| Display | ||
| Screen size | 26.9″ | 40″ |
| Resolution | 3840 × 2160 | 5120 × 2160 |
| Resolution class | 4K UHD | 5K |
| Pixel density | 164 ppi | 140 ppi |
| Aspect ratio | 16:9 | 21:9 |
| Panel type | OLED | IPS |
| Refresh rate | 60 Hz | 60 Hz |
| Brightness (typical) | 200 nits | 300 nits |
| Peak brightness (HDR) | 350 nits | — |
| Contrast ratio (static) | 1,000,000:1 | 1,000:1 |
| Response time | 0.1 ms | 8 ms |
| Anti-glare / matte screen | Yes | Yes |
| Curved screen | — | Yes |
| Colour | ||
| sRGB coverage | 100% | 100% |
| Adobe RGB coverage | 99% | — |
| DCI-P3 coverage | 99% | — |
| Rec. 2020 coverage | 90% | — |
| Colour accuracy (ΔE, claimed) | ΔE 1 | — |
| Colour depth | 10 bit | 10 bit |
| Hardware calibration | Yes | — |
| HDR | HDR10 | — |
| Connectivity | ||
| USB-C video input (one cable) | Yes | — |
| USB-C charging (Power Delivery) | 80 W | — |
| HDMI inputs | 3 | 2 |
| DisplayPort inputs | 1 | 1 |
| USB hub | Yes | Yes |
| Ethernet (RJ45) | — | Yes |
| Built-in speakers | Yes | — |
| Design & ergonomics | ||
| Height adjustment | 130 mm | 120 mm |
| Pivot (portrait rotation) | Yes | No |
| Swivel | Yes | Yes |
| VESA mount | 100 × 100 mm | 100 × 100 mm |
| Weight | 9.4 kg | — |
| Width | 627 mm | — |
| Height | 570 mm | — |
| Depth | 265 mm | — |
| Product line | ASUS ProArt | Dell UltraSharp |
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