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- ColorEdge CG3100X vs UltraFine 40U990A
EIZO ColorEdge CG3100X vs LG UltraFine 40U990A
What ColorEdge CG3100X does better (4) and where UltraFine 40U990A wins (7) — every spec side by side.
vs
7.9Screen9.2
5.5Connectivity8.7
5.8Design & ergonomics2.9
Dimensions
Size comparison
ColorEdge CG3100XUltraFine 40U990A
| ColorEdge CG3100X | UltraFine 40U990A | Difference | |
|---|---|---|---|
| Height | 428.1 mm | 614 mm | −185.9 mm |
| Width | 721 mm | 948 mm | −227 mm |
| Depth | 290 mm | 260 mm | +30 mm |
| Weight | 12.3 kg | 14.1 kg | −1.8 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is ColorEdge CG3100X better than UltraFine 40U990A?
- Pixel density152 ppi vs 140 ppi+9%
- Brightness (typical)500 nits vs 450 nits+11%
- Height adjustment155 mm vs 130 mm+19%
- Weight12.3 kg vs 14.1 kg+15%
Why is UltraFine 40U990A better than ColorEdge CG3100X?
- Response time15 ms vs 5 ms3×
- HDRHDR10 vs DisplayHDR 600
- HDMI inputs1 vs 22×
- Refresh rate61 Hz vs 120 Hz+97%
- USB-C charging (Power Delivery)94 W vs 96 W+2%
- Screen size30.5″ vs 39.7″+30%
- Contrast ratio (static)1,800:1 vs 2,000:1+11%
Specifications
Side by side
| Display | ||
| Screen size | 30.5″ | 39.7″ |
| Resolution | 4096 × 2160 | 5120 × 2160 |
| Resolution class | 4K UHD | 5K |
| Pixel density | 152 ppi | 140 ppi |
| Aspect ratio | 17:9 | 21:9 |
| Panel type | IPS | IPS |
| Refresh rate | 61 Hz | 120 Hz |
| Brightness (typical) | 500 nits | 450 nits |
| Contrast ratio (static) | 1,800:1 | 2,000:1 |
| Response time | 15 ms | 5 ms |
| Anti-glare / matte screen | Yes | Yes |
| Curved screen | — | Yes |
| Colour | ||
| Adobe RGB coverage | 97% | — |
| DCI-P3 coverage | 99% | 99% |
| Colour depth | 10 bit | — |
| Hardware calibration | Yes | — |
| Built-in calibration sensor | Yes | — |
| HDR | HDR10 | DisplayHDR 600 |
| Uniformity compensation | Yes | — |
| Connectivity | ||
| USB-C video input (one cable) | Yes | Yes |
| USB-C charging (Power Delivery) | 94 W | 96 W |
| Thunderbolt | — | Yes |
| KVM switch | — | Yes |
| HDMI inputs | 1 | 2 |
| DisplayPort inputs | 1 | 1 |
| USB hub | Yes | Yes |
| Built-in speakers | No | Yes |
| Design & ergonomics | ||
| Height adjustment | 155 mm | 130 mm |
| Swivel | Yes | Yes |
| VESA mount | 100 × 100 mm | — |
| Weight | 12.3 kg | 14.1 kg |
| Width | 721 mm | 948 mm |
| Height | 428 mm | 614 mm |
| Depth | 290 mm | 260 mm |
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