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- UltraSharp U4025QW vs UltraSharp U5226KW
Dell UltraSharp U4025QW vs Dell UltraSharp U5226KW
What UltraSharp U4025QW does better (4) and where UltraSharp U5226KW wins (3) — every spec side by side.
vs
8.7Screen7.8
9.4Colour accuracy9.2
7.8Connectivity9.7
3.2Design & ergonomics2.1
Why is UltraSharp U4025QW better than UltraSharp U5226KW?
- Pixel density139 ppi vs 129 ppi+8%
- Brightness (typical)450 nits vs 400 nits+12%
- Height adjustment150 mm vs 90 mm+67%
- Response time5 ms vs 8 ms+60%
Why is UltraSharp U5226KW better than UltraSharp U4025QW?
- HDMI inputs1 vs 22×
- DisplayPort inputs1 vs 22×
- Screen size40″ vs 51.5″+29%
Specifications
Side by side
| Display | ||
| Screen size | 40″ | 51.5″ |
| Resolution | 5120 × 2160 | 6144 × 2560 |
| Resolution class | 5K | 6K |
| Pixel density | 139 ppi | 129 ppi |
| Aspect ratio | 21:9 | 21:9 |
| Panel type | IPS | IPS |
| Refresh rate | 120 Hz | 120 Hz |
| Brightness (typical) | 450 nits | 400 nits |
| Peak brightness (HDR) | 600 nits | — |
| Contrast ratio (static) | 2,000:1 | 2,000:1 |
| Response time | 5 ms | 8 ms |
| Anti-glare / matte screen | Yes | — |
| Curved screen | Yes | Yes |
| Colour | ||
| sRGB coverage | 100% | 100% |
| DCI-P3 coverage | 99% | 99% |
| Colour depth | 10 bit | 10 bit |
| HDR | DisplayHDR 600 | — |
| Connectivity | ||
| USB-C video input (one cable) | Yes | Yes |
| USB-C charging (Power Delivery) | 140 W | 140 W |
| Thunderbolt | Yes | Yes |
| KVM switch | Yes | Yes |
| HDMI inputs | 1 | 2 |
| DisplayPort inputs | 1 | 2 |
| USB hub | Yes | Yes |
| Ethernet (RJ45) | Yes | Yes |
| Daisy chain (DP MST) | Yes | — |
| Built-in speakers | Yes | Yes |
| Design & ergonomics | ||
| Height adjustment | 150 mm | 90 mm |
| Pivot (portrait rotation) | No | No |
| Swivel | Yes | Yes |
| VESA mount | 100 × 100 mm | 100 × 100 mm |
| Weight | 12.22 kg | — |
| Width | 947 mm | — |
| Height | 622 mm | — |
| Depth | 253 mm | — |
| Product line | Dell UltraSharp | Dell UltraSharp |
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