LG UltraFine 27MD5KL-B 27" 2021
The 5120 x 2880 IPS panel with 99% DCI-P3 coverage delivers a pixel-dense workspace that mirrors Apple’s Retina scaling perfectly. A single Thunderbolt 3 cable provides 94W power delivery and hub functionality, while the integrated camera and speakers create a clean, all-in-one desktop setup. This display is best for Mac users who need a color-accurate 5K canvas for UI design, photo editing, or coding without external docks.
Screen 27
Resolution 5120 x 2880
Panel IPS
Refresh 60 Hz
68 Overall Score
Price ¥0
No listings available
Snapshot
Pros & Cons
Pros
- Strong connectivity (100th percentile) 100th
- Strong display (99th percentile) 99th
- Strong compact (87th percentile) 87th
- Strong color (79th percentile) 79th
Cons
- Below average performance (22th percentile)
What owners think
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews — so you can see whether early praise held up.
Owner sentiment has improved over time
Based on 8 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Display
| Size | 27" |
| Resolution | 5120 x 2880 |
| Panel Type | IPS |
| Aspect Ratio | 16:9 |
| Curved | No |
Performance
| Refresh Rate | 60 Hz |
Color & HDR
| Brightness | 500 nits |
| Color Gamut | P3 wide color gamut |
Connectivity
| HDMI Ports | 2 |
| DisplayPort | 1 |
| USB-C | 3 |
| Thunderbolt | Thunderbolt 3 |
| Speakers | Yes |
Ergonomics
| Height Adjustable | Yes |
Features
| Webcam | Yes |
| Weight | 13.3 kg / 29.3 lbs |
vs Competition
| Spec | LG UltraFine 27MD5KL-B 27" | ASUS ROG Strix XG27AQDMG | MSI MPG MPG 271QRX QD-OLED | Samsung Odyssey Neo G9 G95NC | Dell UltraSharp U4025QW | Alienware AW-Series AW3425DW |
|---|---|---|---|---|---|---|
| Screen Size | 27 | 26.5 | 27 | 57 | 39.70000076293945 | 34 |
| Resolution | 5120 x 2880 | 2560 x 1440 | 2560 x 1440 | 7680 x 2160 | 5120 x 2160 | 3440x1440 |
| Panel Type | IPS | OLED | QD-OLED | VA | IPS | QD-OLED |
| Refresh Rate | 60 | 240 | 360 | 240 | 120 | 240 |
| Response Time Ms | - | 0.029999999329447746 | 0.029999999329447746 | 1 | 5 | 0.029999999329447746 |
| Adaptive Sync | - | FreeSync Premium Pro | FreeSync Premium Pro | FreeSync Premium Pro | Adaptive-Sync | FreeSync Premium Pro |
| Hdr | - | HDR10 | DisplayHDR True Black 400 | HDR10+ | DisplayHDR 600 | DisplayHDR 400 True Black |
| Compare | Compare | Compare | Compare | Compare |
| Product | Color | Compact | Display | Feature | Ergonomic | Performance | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|
| LG UltraFine 27MD5KL-B 27" | 79.2 | 86.8 | 99.4 | 55.7 | 48.5 | 22.3 | 99.6 | 68.3 |
| ASUS ROG Strix XG27AQDMG Compare | 96.4 | 73.8 | 75.7 | 72.2 | 90.3 | 97.9 | 93 | 86 |
| MSI MPG MPG 271QRX QD-OLED Compare | 98.9 | 63.7 | 76.6 | 72.2 | 90.3 | 99.5 | 82 | 99.5 |
| Samsung Odyssey Neo G9 G95NC Compare | 99.4 | 31.7 | 99.7 | 97.3 | 71.8 | 87.5 | 93 | 95.5 |
| Dell UltraSharp U4025QW Compare | 97.5 | 82.3 | 98.3 | 97.3 | 71.8 | 56.2 | 99.3 | 98.4 |
| Alienware AW-Series AW3425DW Compare | 98.2 | 79.9 | 85.4 | 91.7 | 90.3 | 97.9 | 95.2 | 95.5 |
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
