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- UltraSharp U5226KW vs UltraFine 40U990A
Dell UltraSharp U5226KW vs LG UltraFine 40U990A
What UltraSharp U5226KW does better (3) and where UltraFine 40U990A wins (4) — every spec side by side.
vs
7.8Screen9.1
9.7Connectivity8.6
2.1Design & ergonomics2.8
Why is UltraSharp U5226KW better than UltraFine 40U990A?
- USB-C charging (Power Delivery)140 W vs 96 W+46%
- DisplayPort inputs2 vs 12×
- Screen size51.5″ vs 39.7″+30%
Why is UltraFine 40U990A better than UltraSharp U5226KW?
- Pixel density129 ppi vs 140 ppi+9%
- Brightness (typical)400 nits vs 450 nits+12%
- Response time8 ms vs 5 ms+60%
- Height adjustment90 mm vs 130 mm+44%
Specifications
Side by side
| Display | ||
| Screen size | 51.5″ | 39.7″ |
| Resolution | 6144 × 2560 | 5120 × 2160 |
| Resolution class | 6K | 5K |
| Pixel density | 129 ppi | 140 ppi |
| Aspect ratio | 21:9 | 21:9 |
| Panel type | IPS | IPS |
| Refresh rate | 120 Hz | 120 Hz |
| Brightness (typical) | 400 nits | 450 nits |
| Contrast ratio (static) | 2,000:1 | 2,000:1 |
| Response time | 8 ms | 5 ms |
| Anti-glare / matte screen | — | Yes |
| Curved screen | Yes | Yes |
| Colour | ||
| sRGB coverage | 100% | — |
| DCI-P3 coverage | 99% | 99% |
| Colour depth | 10 bit | — |
| HDR | — | 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 | 2 | 2 |
| DisplayPort inputs | 2 | 1 |
| USB hub | Yes | Yes |
| Ethernet (RJ45) | Yes | — |
| Built-in speakers | Yes | Yes |
| Design & ergonomics | ||
| Height adjustment | 90 mm | 130 mm |
| Pivot (portrait rotation) | No | — |
| Swivel | Yes | Yes |
| VESA mount | 100 × 100 mm | — |
| Weight | — | 14.1 kg |
| Width | — | 948 mm |
| Height | — | 614 mm |
| Depth | — | 260 mm |
| Product line | Dell UltraSharp | — |
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