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- UltraSharp U3423WE vs VP3456A
Dell UltraSharp U3423WE vs ViewSonic VP3456A
What UltraSharp U3423WE does better (3) and where VP3456A wins (4) — every spec side by side.
vs
4.0Screen6.9
5.5Design & ergonomics3.4
Dimensions
Size comparison
UltraSharp U3423WEVP3456A
| UltraSharp U3423WE | VP3456A | Difference | |
|---|---|---|---|
| Height | 393 mm | 480.5 mm | −87.5 mm |
| Width | 813 mm | 809 mm | +4 mm |
| Depth | 237 mm | 243 mm | −6 mm |
| Weight | 11.4 kg | 11.2 kg | +0.2 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is UltraSharp U3423WE better than VP3456A?
- Colour depth10 bit vs 8 bit+25%
- Panel typeIPS vs VA
- Height adjustment150 mm vs 130 mm+15%
Why is VP3456A better than UltraSharp U3423WE?
- Brightness (typical)300 nits vs 400 nits+33%
- Contrast ratio (static)2,000:1 vs 4,000:12×
- Refresh rate60 Hz vs 75 Hz+25%
- Weight11.44 kg vs 11.2 kg+2%
Specifications
Side by side
| Display | ||
| Screen size | 34″ | 34″ |
| Resolution | 3440 × 1440 | 3440 × 1440 |
| Resolution class | Ultrawide QHD | Ultrawide QHD |
| Pixel density | 109 ppi | 110 ppi |
| Aspect ratio | 21:9 | 21:9 |
| Panel type | IPS | VA |
| Refresh rate | 60 Hz | 75 Hz |
| Brightness (typical) | 300 nits | 400 nits |
| Contrast ratio (static) | 2,000:1 | 4,000:1 |
| Response time | 5 ms | 5 ms |
| Anti-glare / matte screen | Yes | Yes |
| Curved screen | Yes | — |
| Colour | ||
| sRGB coverage | 100% | 99% |
| DCI-P3 coverage | 98% | — |
| Colour depth | 10 bit | 8 bit |
| Connectivity | ||
| USB-C video input (one cable) | Yes | — |
| USB-C charging (Power Delivery) | 90 W | — |
| KVM switch | Yes | — |
| HDMI inputs | 2 | 2 |
| DisplayPort inputs | 1 | 1 |
| USB hub | Yes | — |
| Ethernet (RJ45) | Yes | — |
| Built-in speakers | Yes | Yes |
| Design & ergonomics | ||
| Height adjustment | 150 mm | 130 mm |
| Pivot (portrait rotation) | Yes | — |
| Swivel | Yes | Yes |
| VESA mount | 100 × 100 mm | — |
| Weight | 11.44 kg | 11.2 kg |
| Width | 813 mm | 809 mm |
| Height | 393 mm | 480 mm |
| Depth | 237 mm | 243 mm |
| Product line | Dell UltraSharp | — |
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