Uperfect U27 14.5-inch
Score: 80/100
CRUA CR340AU
Score: 69/100Rankings
The UPERFECT U27 is a compact 14.5" 4K portable monitor with an ultra-slim aluminum body, magnetic smart cover stand and excellent color accuracy, targeting creators and remote workers. While it delivers sharp visuals and solid build quality, the lack of a battery, non-adjustable stand and limited refresh rate keep it from being a gaming-focused device.
The CRUA CR340AU is a 34" ultrawide IPS monitor with a 120 Hz refresh rate, 120% sRGB coverage, and built-in speakers, aimed at budget-friendly gamers and multitaskers. Its stand only tilts and it lacks USB-C and higher-resolution options.
| Attribute | | |
|---|---|---|
14.5 inches | 34 inchesbest | |
60 Hz | 120 Hzbest | |
500 nitsbest | 350 nits | |
2,000 ratiobest | 1,000 ratio | |
| ↓ lower better | 5 ms | 3 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) | 14.5 inches | 34 inches |
Resolution | 3840x2400 | 2560x1080 |
Refresh Rate (Hz) | 60 Hz | 120 Hz |
Panel Type | Matte IPS | IPS |
Brightness (nits) | 500 nits | 350 nits |
Contrast Ratio (ratio) | 2000 ratio | 1000 ratio |
Response Time (ms) | 5 ms | 3 ms |
Color Gamut | 100% sRGB | 120% sRGB |
Ergonomics(1) | ||
VESA Mount Compatibility | false | true |
Products in the top-left offer the best value (high score, low price).
Professional reviewers note that the U27's 4K IPS panel delivers exceptional color accuracy and sharpness, matching or exceeding many competitors in the portable-monitor segment. They commend its solid aluminum construction and plug-and-play simplicity, positioning it as a strong value for creators and remote workers, though they acknowledge the lack of a battery and limited refresh rate.
Everyday users consistently give five-star ratings, praising the razor-sharp display, vibrant colors, and the convenience of the magnetic smart cover. Common complaints focus on the need for an external power brick, the non-adjustable stand, and modest speaker volume.
Professional editors view the CR340AU as a solid entry-level ultrawide that delivers the core benefits of IPS color fidelity and a 120 Hz FreeSync panel without the premium price tag.
Everyday users appreciate the monitor's immersive 21:9 screen, vivid IPS colors and the convenience of integrated speakers, often calling it a plug-and-play solution that looks great on a white desk. Common complaints revolve around minor backlight uniformity issues, speaker distortion at higher volumes, and the inability to raise or swivel the stand.
“Incredibly sharp display-perfect for coding and photo editing.”
“Smart cover is genius-protects the screen and holds it at a great angle.”
