
KOORUI MG24H3F
Score: 60/100
LG 27U631A-B
Score: 81/100Rankings

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.

A 24-inch Fast IPS gaming monitor delivering 240 Hz refresh and 1 ms response, with good color coverage and HDR400, aimed at esports enthusiasts while lacking extensive ergonomics and strong HDR performance.
| Attribute | ![]() | ![]() |
|---|---|---|
24 inches | 27 inchesbest | |
240 Hzbest | 100 Hz | |
| ↓ lower better | 1 msbest | 5 ms |
— | 250 nitsbest | |
— | 1,000best | |
99 %best | 99 %best | |
1best | 1best | |
1best | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Display(4) | ||
Screen Size (inches) | 24 inches | 27 inches |
Resolution | 1920x1080 | 2560x1440 |
Refresh Rate (Hz) | 240 Hz | 100 Hz |
Response Time (GTG) (ms) | 1 ms | 5 ms |


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

Tech reviewers praise the true 240 Hz experience on a Fast IPS panel and the vibrant colors, noting the lack of a certified G-Sync label and modest HDR brightness as minor drawbacks.
Users highlight buttery-smooth gameplay and vivid colors, but report backlight bleed, a sluggish OSD, and limited ergonomic options.

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.
“Incredibly smooth gameplay-perfect for competitive gaming.”

“Backlight bleed in dark rooms, especially at the bottom edge.”

“Crisp and vibrant display”


