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- ProArt PA278CGRV vs UltraFine 27UL550
Asus ProArt PA278CGRV vs LG UltraFine 27UL550
What ProArt PA278CGRV does better (6) and where UltraFine 27UL550 wins (3) — every spec side by side.
vs
5.5Screen6.2
7.2Design & ergonomics5.6
Dimensions
Size comparison
ProArt PA278CGRVUltraFine 27UL550
| ProArt PA278CGRV | UltraFine 27UL550 | Difference | |
|---|---|---|---|
| Height | 536.1 mm | 572 mm | −35.9 mm |
| Width | 612.2 mm | 623 mm | −10.8 mm |
| Depth | 190.4 mm | 230 mm | −39.6 mm |
| Weight | 6.6 kg | 6 kg | +0.6 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is ProArt PA278CGRV better than UltraFine 27UL550?
- Refresh rate144 Hz vs 61 Hz2.4×
- DisplayPort inputs2 vs 12×
- Brightness (typical)350 nits vs 300 nits+17%
- Contrast ratio (static)1,500:1 vs 1,000:1+50%
- Height adjustment130 mm vs 110 mm+18%
- sRGB coverage100% vs 98%+2%
Why is UltraFine 27UL550 better than ProArt PA278CGRV?
- Pixel density109 ppi vs 163 ppi+50%
- HDMI inputs1 vs 22×
- Weight6.6 kg vs 6 kg+10%
Specifications
Side by side
| Display | ||
| Screen size | 27″ | 27″ |
| Resolution | 2560 × 1440 | 3840 × 2160 |
| Resolution class | QHD / 2.5K | 4K UHD |
| Pixel density | 109 ppi | 163 ppi |
| Aspect ratio | 16:9 | 16:9 |
| Panel type | IPS | IPS |
| Refresh rate | 144 Hz | 61 Hz |
| Brightness (typical) | 350 nits | 300 nits |
| Peak brightness (HDR) | 400 nits | — |
| Contrast ratio (static) | 1,500:1 | 1,000:1 |
| Response time | 5 ms | 5 ms |
| Anti-glare / matte screen | Yes | Yes |
| Colour | ||
| sRGB coverage | 100% | 98% |
| DCI-P3 coverage | 97% | — |
| Colour accuracy (ΔE, claimed) | ΔE 2 | — |
| Colour depth | 10 bit | — |
| HDR | HDR10 | HDR10 |
| Connectivity | ||
| USB-C video input (one cable) | Yes | — |
| USB-C charging (Power Delivery) | 96 W | — |
| KVM switch | Yes | — |
| HDMI inputs | 1 | 2 |
| DisplayPort inputs | 2 | 1 |
| USB hub | Yes | — |
| Built-in speakers | Yes | No |
| Design & ergonomics | ||
| Height adjustment | 130 mm | 110 mm |
| Pivot (portrait rotation) | Yes | Yes |
| Swivel | Yes | — |
| VESA mount | 100 × 100 mm | — |
| Weight | 6.6 kg | 6 kg |
| Width | 612 mm | 623 mm |
| Height | 536 mm | 572 mm |
| Depth | 190 mm | 230 mm |
| Product line | ASUS ProArt | — |
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