
ASUS ZenScreen MB16ACE with USB-C Gray
Score: 64/100
LG 32U631A-B
Score: 74/100Rankings

The LG 32U631A-B is a 31.5-inch QHD IPS monitor offering a vibrant 99% sRGB color gamut and USB-C connectivity with 15 W power delivery. Its modest 250 cd/m² brightness and tilt-only stand limit usability in bright environments and ergonomic flexibility. Ideal for office professionals and casual gamers seeking a large, color-accurate display.

The ASUS ZenScreen MB16ACE is a 15.6-inch portable IPS monitor notable for its ultra-thin 8 mm profile and hybrid USB-C/A connectivity. Its modest brightness, lack of speakers and driver-dependent USB-A input limit its suitability for demanding tasks. Best suited for mobile professionals needing a lightweight secondary screen with auto-rotate capability.
| Attribute | ![]() | ![]() |
|---|---|---|
15.6 inches | 31.5 inchesbest | |
60 Hz | 100 Hzbest | |
| ↓ lower better | 5 msbest | 5 msbest |
220 nits | 250 nitsbest | |
— | 1,000best | |
— | 1best | |
— | 99 %best | |
— | 1best |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Display(5) | ||
Screen Size (inches) | 15.6 inches | 31.5 inches |
Resolution | 1920x1080 | 2560 x 1440 |
Refresh Rate (Hz) | 60 Hz | 100 Hz |
Brightness (nits) | 220 nits | 250 nits |
Contrast Ratio | 800:1 | 1000 |
Build & Design(2) | ||
Weight (with stand) (kg) | 0.9 kg | 6.5 kg |
Dimensions (W×H×D) (mm) | 359.7×7.9×226.3 mm mm | 714.6×512.6×235.0 mm mm |

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

Professional reviewers and editors commend the ZenScreen MB16ACE for its unmatched portability, thin profile, and convenient single-cable USB hybrid-signal operation. They also value the auto-rotation and eye-care features, though they point out the modest brightness, lack of speakers, and the need for a DisplayLink driver on USB-A as notable drawbacks.
Everyday users consistently praise the monitor's ultra-slim, lightweight build and the hassle-free USB-C connection that eliminates extra adapters. The foldable case stand and broad OS support receive frequent positive mentions, while the requirement for a driver on USB-A, absence of speakers, and limited brightness are common sources of mild disappointment.

