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- UltraSharp U4025QW vs VP2786A-4K
Dell UltraSharp U4025QW vs ViewSonic VP2786A-4K
What UltraSharp U4025QW does better (5) and where VP2786A-4K wins (4) — every spec side by side.
vs
8.7Screen7.4
9.4Colour accuracy6.9
7.8Connectivity6.5
3.2Design & ergonomics5.6
Dimensions
Size comparison
UltraSharp U4025QWVP2786A-4K
| UltraSharp U4025QW | VP2786A-4K | Difference | |
|---|---|---|---|
| Height | 622 mm | 449.1 mm | +172.9 mm |
| Width | 947 mm | 613 mm | +334 mm |
| Depth | 253 mm | 232 mm | +21 mm |
| Weight | 12.2 kg | 8.3 kg | +3.9 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is UltraSharp U4025QW better than VP2786A-4K?
- USB-C charging (Power Delivery)140 W vs 90 W+56%
- Brightness (typical)450 nits vs 350 nits+29%
- Contrast ratio (static)2,000:1 vs 1,300:1+54%
- Screen size40″ vs 27″+48%
- Height adjustment150 mm vs 130 mm+15%
Why is VP2786A-4K better than UltraSharp U4025QW?
- Pixel density139 ppi vs 163 ppi+17%
- HDMI inputs1 vs 22×
- Pivot (portrait rotation)No · UltraSharp U4025QW: Yes
- Weight12.22 kg vs 8.3 kg+47%
Specifications
Side by side
| Display | ||
| Screen size | 40″ | 27″ |
| Resolution | 5120 × 2160 | 3840 × 2160 |
| Resolution class | 5K | 4K UHD |
| Pixel density | 139 ppi | 163 ppi |
| Aspect ratio | 21:9 | 16:9 |
| Panel type | IPS | IPS |
| Refresh rate | 120 Hz | — |
| Brightness (typical) | 450 nits | 350 nits |
| Peak brightness (HDR) | 600 nits | — |
| Contrast ratio (static) | 2,000:1 | 1,300:1 |
| Response time | 5 ms | 5 ms |
| Anti-glare / matte screen | Yes | Yes |
| Curved screen | Yes | — |
| Colour | ||
| sRGB coverage | 100% | — |
| Adobe RGB coverage | — | 100% |
| DCI-P3 coverage | 99% | 98% |
| Colour accuracy (ΔE, claimed) | — | ΔE 2 |
| Colour depth | 10 bit | 10 bit |
| Hardware calibration | — | Yes |
| Factory calibrated (report) | — | Yes |
| HDR | DisplayHDR 600 | — |
| Uniformity compensation | — | Yes |
| Connectivity | ||
| USB-C video input (one cable) | Yes | Yes |
| USB-C charging (Power Delivery) | 140 W | 90 W |
| Thunderbolt | Yes | — |
| KVM switch | Yes | — |
| HDMI inputs | 1 | 2 |
| DisplayPort inputs | 1 | 1 |
| USB hub | Yes | — |
| Ethernet (RJ45) | Yes | — |
| Daisy chain (DP MST) | Yes | — |
| Built-in speakers | Yes | Yes |
| Design & ergonomics | ||
| Height adjustment | 150 mm | 130 mm |
| Pivot (portrait rotation) | No | Yes |
| Swivel | Yes | Yes |
| VESA mount | 100 × 100 mm | — |
| Weight | 12.22 kg | 8.3 kg |
| Width | 947 mm | 613 mm |
| Height | 622 mm | 449 mm |
| Depth | 253 mm | 232 mm |
| Product line | Dell UltraSharp | — |
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