Uperfect M180K01 18-inch
Score: 88/100
AOC 27G4H
Score: 87/100Rankings
The UPERFECT 18-inch K118 delivers a high-refresh 2K IPS panel with full DCI-P3 coverage, making it a strong choice for gamers and creators who need color accuracy on the move. Its thin bezels, magnetic smart cover, and VESA compatibility add versatility, though brightness reset issues and modest speakers are drawbacks.
The AOC 27G4H is a 27-inch gaming monitor featuring a 200 Hz Fast IPS panel, 0.3 ms MPRT, HDR10 and extensive ergonomic adjustments, delivering ultra-smooth gameplay at a budget price, though it lacks speakers and has modest pixel density.
| Attribute | | |
|---|---|---|
18 inches | 27 inchesbest | |
144 Hz | 200 Hzbest | |
400 nitsbest | 300 nits | |
1,200 ratiobest | 1,000 ratio | |
| ↓ lower better | 3 ms | 1 msbest |
1 countbest | 1 countbest | |
— | 1 countbest | |
2 countbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Display(8) | ||
Screen Size (inches) | 18 inches | 27 inches |
Resolution | 2560x1600 | 1920x1080 |
Refresh Rate (Hz) | 144 Hz | 200 Hz |
Panel Type | IPS Matte | Fast IPS |
Brightness (nits) | 400 nits | 300 nits |
Contrast Ratio (ratio) | 1200 ratio | 1000 ratio |
Response Time (ms) | 3 ms | 1 ms |
Color Gamut | 100% DCI-P3 | 120% sRGB |
Audio(1) | ||
Built‑in Speakers | true | false |
Products in the top-left offer the best value (high score, low price).
Professional reviewers praise the K118 for its desktop-grade visual performance, high refresh rate and color accuracy, noting its plug-and-play convenience, solid build and VESA compatibility. The main criticisms focus on the awkward OSD control and the modest built-in speakers, while some point out that the panel is IPS rather than true QLED.
Everyday users love the monitor's crisp 2K display, smooth 144 Hz gaming and accurate colors, especially when paired with MacBooks or handheld consoles. Common complaints revolve around the brightness resetting after sleep, the fiddly side dial/OSD, weak speakers and the extra weight for a portable device.
“Perfect second screen for my MacBook Pro - matches the aspect ratio exactly.”
“Gaming on my ROG Ally is so much better with this 144 Hz screen.”
“Colors are vibrant and accurate - great for photo editing on the go.”
Professional reviewers commend the AOC 27G4H for delivering a high refresh rate, accurate colors and strong ergonomic features at a budget price, noting HDR10's modest effect and the trade-off of a 1080p panel.
Everyday users overwhelmingly praise the monitor's ultra-smooth gameplay, easy adjustability, vivid colors and frameless look, while noting the lack of built-in speakers, occasional backlight bleed and low text sharpness on a 27" 1080p screen.
