
Uperfect M180K01 18-inch
Score: 88/100
LG 34WR55QK-B
Score: 86/100Rankings

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 LG 34WR55QK-B is a 34-inch UltraWide curved VA monitor delivering 3440×1440 resolution, 100 Hz refresh and HDR10. It offers a USB-C dock-like connection, solid ergonomics and eye-comfort tools, making it ideal for multitasking professionals.
| Attribute | ![]() | ![]() |
|---|---|---|
18 inches | 34 inchesbest | |
144 Hzbest | 100 Hz | |
400 nitsbest | 300 nits | |
1,200 ratio | 3,000 ratiobest | |
| ↓ lower better | 3 msbest | 5 ms |
1 count | 2 countbest | |
— | 1 countbest | |
2 countbest | 1 count |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Display(8) | ||
Screen Size (inches) | 18 inches | 34 inches |
Resolution | 2560x1600 | 3440x1440 |
Refresh Rate (Hz) | 144 Hz | 100 Hz |
Panel Type | IPS Matte | VA |
Brightness (nits) | 400 nits | 300 nits |
Contrast Ratio (ratio) | 1200 ratio | 3000 ratio |
Response Time (ms) | 3 ms | 5 ms |
Color Gamut | 100% DCI-P3 | sRGB 99% |
Connectivity(2) | ||
HDMI Ports (count) | 1 count | 2 count |
USB‑C Ports (count) | 2 count | 1 count |


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.

TechRadar and PCMag praise its productivity-focused feature set, noting the excellent resolution, 100 Hz refresh and 65 W USB-C, but warn that the VA panel's response time and modest HDR brightness limit its appeal for competitive gaming.
Users love the multitasking real-estate, USB-C convenience and eye-comfort features, while complaining about the lack of swivel, limited HDR brightness and occasional motion blur.
“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.”


