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- ProArt PA27UCX vs UltraFine 40U990A
Asus ProArt PA27UCX vs LG UltraFine 40U990A
What ProArt PA27UCX does better (3) and where UltraFine 40U990A wins (8) — every spec side by side.
vs
6.3Screen9.2
6.3Connectivity8.7
3.4Design & ergonomics2.9
Dimensions
Size comparison
ProArt PA27UCXUltraFine 40U990A
| ProArt PA27UCX | UltraFine 40U990A | Difference | |
|---|---|---|---|
| Height | 544.5 mm | 614 mm | −69.5 mm |
| Width | 625.2 mm | 948 mm | −322.8 mm |
| Depth | 228.8 mm | 260 mm | −31.2 mm |
| Weight | 11.5 kg | 14.1 kg | −2.6 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is ProArt PA27UCX better than UltraFine 40U990A?
- Pixel density163 ppi vs 140 ppi+16%
- Response time4 ms vs 5 ms+25%
- Weight11.5 kg vs 14.1 kg+23%
Why is UltraFine 40U990A better than ProArt PA27UCX?
- Brightness (typical)300 nits vs 450 nits+50%
- Refresh rate60 Hz vs 120 Hz2×
- Contrast ratio (static)1,000:1 vs 2,000:12×
- HDRHDR10 vs DisplayHDR 600
- USB-C charging (Power Delivery)90 W vs 96 W+7%
- DCI-P3 coverage97% vs 99%+2%
- Screen size27″ vs 39.7″+47%
- Height adjustment120 mm vs 130 mm+8%
Specifications
Side by side
| Display | ||
| Screen size | 27″ | 39.7″ |
| Resolution | 3840 × 2160 | 5120 × 2160 |
| Resolution class | 4K UHD | 5K |
| Pixel density | 163 ppi | 140 ppi |
| Aspect ratio | 16:9 | 21:9 |
| Panel type | IPS | IPS |
| Refresh rate | 60 Hz | 120 Hz |
| Brightness (typical) | 300 nits | 450 nits |
| Peak brightness (HDR) | 1,000 nits | — |
| Contrast ratio (static) | 1,000:1 | 2,000:1 |
| Response time | 4 ms | 5 ms |
| Anti-glare / matte screen | Yes | Yes |
| Curved screen | — | Yes |
| Colour | ||
| sRGB coverage | 100% | — |
| Adobe RGB coverage | 99.5% | — |
| DCI-P3 coverage | 97% | 99% |
| Rec. 2020 coverage | 83% | — |
| Colour accuracy (ΔE, claimed) | ΔE 1 | — |
| Colour depth | 10 bit | — |
| Hardware calibration | Yes | — |
| HDR | HDR10 | DisplayHDR 600 |
| Connectivity | ||
| USB-C video input (one cable) | Yes | Yes |
| USB-C charging (Power Delivery) | 90 W | 96 W |
| Thunderbolt | — | Yes |
| KVM switch | — | Yes |
| HDMI inputs | 2 | 2 |
| DisplayPort inputs | 1 | 1 |
| USB hub | Yes | Yes |
| Built-in speakers | Yes | Yes |
| Design & ergonomics | ||
| Height adjustment | 120 mm | 130 mm |
| Pivot (portrait rotation) | Yes | — |
| Swivel | Yes | Yes |
| VESA mount | 100 × 100 mm | — |
| Weight | 11.5 kg | 14.1 kg |
| Width | 625 mm | 948 mm |
| Height | 544 mm | 614 mm |
| Depth | 229 mm | 260 mm |
| Product line | ASUS ProArt | — |
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