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- ProArt PA278CFRV vs UltraSharp U2421E
Asus ProArt PA278CFRV vs Dell UltraSharp U2421E
What ProArt PA278CFRV does better (6) and where UltraSharp U2421E wins (1) — every spec side by side.
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3.9Screen2.4
9.6Connectivity3.6
7.2Design & ergonomics8.5
Why is ProArt PA278CFRV better than UltraSharp U2421E?
- Pixel density109 ppi vs 94 ppi+16%
- Colour depth10 bit vs 8 bit+25%
- DisplayPort inputs2 vs 12×
- Refresh rate100 Hz vs 60 Hz+67%
- Response time5 ms vs 8 ms+60%
- Screen size27″ vs 24.1″+12%
Why is UltraSharp U2421E better than ProArt PA278CFRV?
- Height adjustment130 mm vs 150 mm+15%
Specifications
Side by side
| Display | ||
| Screen size | 27″ | 24.1″ |
| Resolution | 2560 × 1440 | 1920 × 1200 |
| Resolution class | QHD / 2.5K | Full HD |
| Pixel density | 109 ppi | 94 ppi |
| Aspect ratio | 16:9 | 16:10 |
| Panel type | IPS | IPS |
| Refresh rate | 100 Hz | 60 Hz |
| Brightness (typical) | 350 nits | 350 nits |
| Peak brightness (HDR) | 400 nits | — |
| Contrast ratio (static) | 1,000:1 | 1,000:1 |
| Response time | 5 ms | 8 ms |
| Anti-glare / matte screen | Yes | Yes |
| Colour | ||
| sRGB coverage | 100% | 99% |
| DCI-P3 coverage | 95% | — |
| Colour accuracy (ΔE, claimed) | ΔE 2 | — |
| Colour depth | 10 bit | 8 bit |
| HDR | HDR10 | — |
| Connectivity | ||
| USB-C video input (one cable) | Yes | — |
| USB-C charging (Power Delivery) | 96 W | — |
| HDMI inputs | 1 | 1 |
| DisplayPort inputs | 2 | 1 |
| USB hub | Yes | Yes |
| Ethernet (RJ45) | — | Yes |
| Built-in speakers | Yes | — |
| Built-in webcam | Yes | — |
| Design & ergonomics | ||
| Height adjustment | 130 mm | 150 mm |
| Pivot (portrait rotation) | Yes | Yes |
| Swivel | Yes | Yes |
| VESA mount | 100 × 100 mm | 100 × 100 mm |
| Weight | 6.6 kg | — |
| Width | 613 mm | — |
| Height | 537 mm | — |
| Depth | 197 mm | — |
| Product line | ASUS ProArt | Dell UltraSharp |
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