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- ProArt PA27UCDMR vs UltraFine 40U990A
Asus ProArt PA27UCDMR vs LG UltraFine 40U990A
What ProArt PA27UCDMR does better (6) and where UltraFine 40U990A wins (5) — every spec side by side.
vs
9.2Screen9.1
7.7Connectivity8.6
4.3Design & ergonomics2.8
Dimensions
Size comparison
ProArt PA27UCDMRUltraFine 40U990A
| ProArt PA27UCDMR | UltraFine 40U990A | Difference | |
|---|---|---|---|
| Height | 571 mm | 614 mm | −43 mm |
| Width | 608 mm | 948 mm | −340 mm |
| Depth | 228 mm | 260 mm | −32 mm |
| Weight | 7.2 kg | 14.1 kg | −6.9 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is ProArt PA27UCDMR better than UltraFine 40U990A?
- Pixel density166 ppi vs 140 ppi+19%
- Contrast ratio (static)1,500,000:1 vs 2,000:1750×
- Response time0.1 ms vs 5 ms50×
- Panel typeOLED vs IPS
- Refresh rate240 Hz vs 120 Hz2×
- Weight7.2 kg vs 14.1 kg+96%
Why is UltraFine 40U990A better than ProArt PA27UCDMR?
- Brightness (typical)250 nits vs 450 nits+80%
- HDRHDR10 vs DisplayHDR 600
- HDMI inputs1 vs 22×
- SwivelNo · ProArt PA27UCDMR: Yes
- Screen size26.5″ vs 39.7″+50%
Specifications
Side by side
| Display | ||
| Screen size | 26.5″ | 39.7″ |
| Resolution | 3840 × 2160 | 5120 × 2160 |
| Resolution class | 4K UHD | 5K |
| Pixel density | 166 ppi | 140 ppi |
| Aspect ratio | 16:9 | 21:9 |
| Panel type | OLED | IPS |
| Refresh rate | 240 Hz | 120 Hz |
| Brightness (typical) | 250 nits | 450 nits |
| Peak brightness (HDR) | 1,000 nits | — |
| Contrast ratio (static) | 1,500,000:1 | 2,000:1 |
| Response time | 0.1 ms | 5 ms |
| Anti-glare / matte screen | Yes | Yes |
| Curved screen | — | Yes |
| Colour | ||
| sRGB coverage | 100% | — |
| DCI-P3 coverage | 99% | 99% |
| 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) | 96 W | 96 W |
| Thunderbolt | Yes | Yes |
| KVM switch | — | Yes |
| HDMI inputs | 1 | 2 |
| DisplayPort inputs | 1 | 1 |
| USB hub | Yes | Yes |
| Built-in speakers | Yes | Yes |
| Design & ergonomics | ||
| Height adjustment | 130 mm | 130 mm |
| Pivot (portrait rotation) | Yes | — |
| Swivel | No | Yes |
| VESA mount | 100 × 100 mm | — |
| Weight | 7.2 kg | 14.1 kg |
| Width | 608 mm | 948 mm |
| Height | 571 mm | 614 mm |
| Depth | 228 mm | 260 mm |
| Product line | ASUS ProArt | — |
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