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- UltraSharp U4025QW vs UltraFine 40U990A
Dell UltraSharp U4025QW vs LG UltraFine 40U990A
What UltraSharp U4025QW does better (3) and where UltraFine 40U990A wins (1) — every spec side by side.
vs
8.7Screen9.1
7.8Connectivity8.6
3.2Design & ergonomics2.8
Dimensions
Size comparison
UltraSharp U4025QWUltraFine 40U990A
| UltraSharp U4025QW | UltraFine 40U990A | Difference | |
|---|---|---|---|
| Height | 622 mm | 614 mm | +8 mm |
| Width | 947 mm | 948 mm | −1 mm |
| Depth | 253 mm | 260 mm | −7 mm |
| Weight | 12.2 kg | 14.1 kg | −1.9 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is UltraSharp U4025QW better than UltraFine 40U990A?
- USB-C charging (Power Delivery)140 W vs 96 W+46%
- Height adjustment150 mm vs 130 mm+15%
- Weight12.22 kg vs 14.1 kg+15%
Why is UltraFine 40U990A better than UltraSharp U4025QW?
- HDMI inputs1 vs 22×
Specifications
Side by side
| Display | ||
| Screen size | 40″ | 39.7″ |
| Resolution | 5120 × 2160 | 5120 × 2160 |
| Resolution class | 5K | 5K |
| Pixel density | 139 ppi | 140 ppi |
| Aspect ratio | 21:9 | 21:9 |
| Panel type | IPS | IPS |
| Refresh rate | 120 Hz | 120 Hz |
| Brightness (typical) | 450 nits | 450 nits |
| Peak brightness (HDR) | 600 nits | — |
| Contrast ratio (static) | 2,000:1 | 2,000:1 |
| Response time | 5 ms | 5 ms |
| Anti-glare / matte screen | Yes | Yes |
| Curved screen | Yes | Yes |
| Colour | ||
| sRGB coverage | 100% | — |
| DCI-P3 coverage | 99% | 99% |
| Colour depth | 10 bit | — |
| HDR | DisplayHDR 600 | DisplayHDR 600 |
| Connectivity | ||
| USB-C video input (one cable) | Yes | Yes |
| USB-C charging (Power Delivery) | 140 W | 96 W |
| Thunderbolt | Yes | Yes |
| KVM switch | Yes | Yes |
| HDMI inputs | 1 | 2 |
| DisplayPort inputs | 1 | 1 |
| USB hub | Yes | 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 | — |
| Swivel | Yes | Yes |
| VESA mount | 100 × 100 mm | — |
| Weight | 12.22 kg | 14.1 kg |
| Width | 947 mm | 948 mm |
| Height | 622 mm | 614 mm |
| Depth | 253 mm | 260 mm |
| Product line | Dell UltraSharp | — |
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