
LG 27UK650
Score: 78/100
Koorui Gaming Monitor
Score: 78/100Rankings

The LG 27UK650-W is a 27-inch 4K UHD IPS monitor with HDR10, FreeSync and a fast 5 ms response time, delivering accurate colors and solid gaming performance at an affordable price. Its 60 Hz panel and lack of built-in speakers limit high-end gaming and audio needs. Best suited for casual gamers, creators and office users seeking 4K resolution with good color fidelity.

The KOORUI GN10 is a 27-inch Mini-LED gaming monitor excelling with a 240 Hz refresh rate and 1 ms response. Its main trade-offs are a Full HD panel on a large screen and limited ergonomics. Ideal for competitive gamers who prioritize speed over resolution.
| Attribute | ![]() | ![]() |
|---|---|---|
27 inchesbest | 27 inchesbest | |
60 Hz | 240 Hzbest | |
350 nitsbest | — | |
| ↓ lower better | 45 Wbest | — |
| ↓ lower better | 5 ms | 1 msbest |
1,000best | — | |
99 % | 100 %best | |
| ↓ lower better | 6.2 kgbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Display(6) | ||
Resolution | 3840x2160 | 2560x1440 |
Panel Type | IPS | Mini-LED |
Brightness (nits) | 350 nits | 250-400 nits |
Refresh Rate (Hz) | 60 Hz | 240 Hz |
Response Time (ms) | 5 ms | 1 ms |
Color Gamut (%) | 99 % | 100 % |
General(1) | ||
Warranty (years) | 1 years | 3 years |
Build & Design(3) | ||
Width (mm) | 613.1 mm | 279.4 mm |
Height (mm) | 567.3 mm | 355.6 mm |
Depth (mm) | 230.0 mm | 533.4 mm |


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

Professional reviewers commend the LG 27UK650-W for its fast 5 ms response time, excellent out-of-the-box color accuracy, and gaming-focused features like FreeSync, Black Stabilizer, and Dynamic Action Sync. They also note its strong HDR support, matte finish, and VESA compatibility, while criticizing the 60 Hz panel, lack of built-in speakers, modest contrast ratio, and missing USB-C connectivity.
Everyday users praise the monitor's sharp 4K image, accurate colors, easy setup, and stable FreeSync performance, but repeatedly complain about the absence of speakers, the 60 Hz refresh limit, noticeable backlight bleed, and occasional stand wobble.

Professional reviewers commend the KOORUI 27" models for delivering ultra-smooth 240Hz performance, low input lag, and a wide color gamut at a very competitive price, but they consistently point out the limitations of a Full HD panel on a 27" screen, the absence of Mini LED HDR, and the minimal ergonomic adjustments.
Everyday users praise the monitor's smooth high-refresh gameplay, vivid colors, easy setup, and eye-care features, while common complaints focus on the lack of sharpness at 1080p, occasional backlight bleed, a wobbly stand, and missing built-in speakers.