
Xiaomi 34-inch Curved Gaming Monitor
Score: 86/100
LG 27G640A-B
Score: 88/100Rankings

The LG 27G640A-B is a 27-inch QHD IPS gaming monitor with a blistering 300 Hz refresh rate and 1 ms response, delivering ultra-smooth visuals. Its main trade-off is the lack of disclosed brightness/contrast data and no integrated speakers. Ideal for esports enthusiasts with a powerful GPU who value speed and color accuracy.

The Xiaomi G34WQi is a 34-inch ultrawide VA gaming monitor delivering a rapid 180 Hz refresh rate and deep 4000:1 contrast for immersive gameplay. Its lack of built-in speakers and the need to manually enable the highest refresh rate may deter some users. Ideal for gamers seeking high refresh and a wide field of view.
| Attribute | ![]() | ![]() |
|---|---|---|
34 inchesbest | 27 inches | |
180 Hz | 300 Hzbest | |
| ↓ lower better | 1 msbest | 1 msbest |
350 nitsbest | — | |
95 %best | 95 %best | |
4,000best | — | |
| ↓ lower better | 6.9 kg | 5.5 kgbest |
2best | 1 |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Connectivity(1) | ||
DisplayPort Ports | 2 | 1 |
Display(5) | ||
Panel Type | VA | IPS |
Screen Size (inches) | 34 inches | 27 inches |
Resolution | 3440 x 1440 | 2560x1440 |
Refresh Rate (Hz) | 180 Hz | 300 Hz |
Aspect Ratio | 21:9 | 16:9 |
General(1) | ||
Warranty (years) | 3 years | 1 years |
Build & Design(3) | ||
Weight (with stand) (kg) | 6.9 kg | 5.5 kg |
Width (with stand) (mm) | 813 mm | 614.68 mm |
Height (with stand) (mm) | 508 mm | 538.48 mm |

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

Professional reviewers praise the G34WQi for its triple-dynamic-range contrast, near-92% DCI-P3 coverage and out-of-box color accuracy, noting that its 180 Hz refresh and 1 ms GTG response deliver silky-smooth gameplay while remaining budget-friendly. The monitor's VA panel provides richer blacks than typical IPS screens, and its adaptive-sync support ensures low input lag across GPUs.
Everyday users consistently highlight the smooth 180 Hz experience and vibrant colors after minor tweaks, valuing the immersive ultrawide curve for gaming and multitasking. Common frustrations revolve around default settings not auto-configuring to 180 Hz, occasional cable compatibility issues, and the absence of built-in speakers or USB ports.

“180+ FPS looks "fantastic"”

“Smooth 180Hz refresh in fast-paced games”


Professional reviewers and editors have not published detailed tests for the LG 27G640A yet; product listings highlight its 300 Hz speed, HDR400 support, and dual adaptive-sync technologies, but performance claims remain unverified.