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- UltraFine 27U730A vs UltraFine 40U990A
LG UltraFine 27U730A vs LG UltraFine 40U990A
What UltraFine 27U730A does better (1) and where UltraFine 40U990A wins (6) — every spec side by side.
vs
5.4Screen9.1
6.2Connectivity8.6
6.8Design & ergonomics2.8
Why is UltraFine 27U730A better than UltraFine 40U990A?
- Pixel density163 ppi vs 140 ppi+16%
Why is UltraFine 40U990A better than UltraFine 27U730A?
- 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%
- Screen size27″ vs 39.7″+47%
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 |
| Contrast ratio (static) | 1,000:1 | 2,000:1 |
| Response time | 5 ms | 5 ms |
| Anti-glare / matte screen | Yes | Yes |
| Curved screen | — | Yes |
| Colour | ||
| DCI-P3 coverage | 98% | 99% |
| Colour depth | 10 bit | — |
| 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 | — | 130 mm |
| Pivot (portrait rotation) | Yes | — |
| Swivel | Yes | Yes |
| VESA mount | 100 × 100 mm | — |
| Weight | — | 14.1 kg |
| Width | — | 948 mm |
| Height | — | 614 mm |
| Depth | — | 260 mm |
| Product line | LG UltraFine | — |
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