
LG 27US500-W
Score: 84/100
LG 27U631A-B
Score: 81/100Rankings

The LG 27US500-W is a 27-inch 4K IPS monitor offering high resolution, wide DCI-P3 color gamut and HDR10 support, aimed at creative professionals and office users who value color accuracy and eye-comfort, though it lacks extensive ergonomics and high-refresh gaming performance.

The LG 27U631A-B delivers a crisp QHD IPS panel with accurate colors and a smooth 100 Hz refresh, complemented by USB-C docking and eye-care features. Its sleek, borderless design is appealing, but ergonomic adjustments are limited and it lacks built-in speakers and adaptive-sync.
| Attribute | ![]() | ![]() |
|---|---|---|
27 inchesbest | 27 inchesbest | |
60 Hz | 100 Hzbest | |
| ↓ lower better | 5 msbest | 5 msbest |
300 nitsbest | 250 nits | |
1,000best | 1,000best | |
90 % | 99 %best | |
2best | 1 | |
1best | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Display(4) | ||
Resolution | 3840x2160 | 2560x1440 |
Refresh Rate (Hz) | 60 Hz | 100 Hz |
Brightness (nits) | 300 nits | 250 nits |
Color Gamut (sRGB %) (%) | 90 % | 99 % |
Connectivity(1) | ||
HDMI Ports | 2 | 1 |
Ergonomics(1) | ||
Tilt Range (°) | -5 to 15 ° | 25 ° |


Products in the top-left offer the best value (high score, low price).

Professional reviewers commend the monitor's color accuracy, 90% DCI-P3 coverage and HDR10 support, noting it excels in color-critical tasks, while pointing out the modest HDR brightness and lack of ergonomic adjustments as limitations.
Everyday users love the crisp 4K picture, vibrant colors and the borderless look, but they note the lack of height adjustment, a flimsy-feeling stand and the external power brick as common complaints.

Professional reviewers commend the sharp QHD IPS panel, accurate sRGB 99% color reproduction, and useful USB-C connectivity, but criticize the limited ergonomic adjustments and absence of adaptive-sync technology.
Everyday users love the vivid visuals and USB-C convenience, noting reduced eye strain, while common complaints focus on the lack of height adjustment, low USB-C power, and missing speakers.
“Crisp and vibrant display”

“USB-C is a game-changer”

“Wish it had height adjustment”


