
AOC Q27G4XN
Score: 90/100Gigabyte M27UP SA
Score: 90/100Rankings

The AOC Q27G4XN is a 27-inch QHD gaming monitor that combines a 180 Hz refresh rate, 1 ms response and a fast VA panel with deep blacks and wide-gamut color coverage. It offers extensive ergonomic adjustments and HDR10 support, though it lacks built-in speakers and may show minor VA-related ghosting.
The Gigabyte M27UP is a 27-inch SS IPS monitor that combines 4K@160 Hz and FHD@320 Hz dual-mode gaming, HDR400, a USB-C KVM dock and extensive ergonomic adjustments, targeting both gamers and creators.
| Attribute | ![]() | Gigabyte M27UP SA |
|---|---|---|
27 inchesbest | 27 inchesbest | |
180 Hzbest | 160 Hz | |
| ↓ lower better | 1 msbest | 1 msbest |
300 nits | 350 nitsbest | |
5,000best | 1,000 | |
127.8 %best | 125 % | |
2best | 2best | |
1best | 1best |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | Gigabyte M27UP SA |
|---|---|---|
Display(6) | ||
Resolution | 2560x1440 | 3840x2160 |
Panel Type | Fast VA | IPS |
Refresh Rate (Hz) | 180 Hz | 160 Hz |
Brightness (nits) | 300 nits | 350 nits |
Contrast Ratio | 5000 | 1000 |
Color Gamut (sRGB %) (%) | 127.8 % | 125 % |
Connectivity(1) | ||
USB‑C Port | false | true |
Ergonomics(1) | ||
Tilt Range (°) | 24 ° | 26 ° |
Audio(1) | ||
Built‑in Speakers | false | true |
Power & Warranty(1) | ||
Typical Power Consumption (W) | 32 W | 27 W |

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

Professional reviewers hail the Q27G4XN as a best-in-class 1440p gaming monitor under $300, praising its 180 Hz refresh, superior color coverage and seamless adaptive-sync performance while noting occasional VA ghosting and the absence of built-in speakers.
Everyday users overwhelmingly rate the monitor 4.4-5.0 stars, lauding its fluid motion, vibrant colors and solid build, with occasional complaints about dead pixels, lack of speakers and the front power LED.
Reviewers praise the rare 4K 160 Hz panel, fast response and USB-C KVM, while noting HDR400's modest impact and occasional firmware hiccups.
Everyday users love the vivid colors, dual-mode flexibility and ergonomic stand, but some report firmware issues when toggling resolutions and wish for stronger HDR.
“The AOC Q27G4XN punches well above its weight, offering specs typically seen in $400+ monitors.”

“Incredible clarity and smoothness”

“Colors pop, blacks are deep”
