
Acer SB220Q 21.5-inch
Score: 63/100
KYY K3
Score: 63/100Rankings

The Acer SB220Q bi is a compact 21.5" IPS monitor delivering Full HD visuals and FreeSync in an ultra-thin zero-frame package, ideal for budget-conscious users, though it lacks VESA mounting and a stable stand.

The KYY 15.6" portable monitor offers a lightweight, ultra-slim IPS display with Full HD resolution, HDR support and dual USB-C connectivity, making it a convenient second screen for travelers. Its modest brightness, 60 Hz refresh and lack of battery keep it affordable but limit high-performance use.
| Attribute | ![]() | ![]() |
|---|---|---|
21.5 inchesbest | 15.6 inches | |
75 Hzbest | 60 Hz | |
— | 300 nitsbest | |
— | 1,000best | |
— | 85 %best | |
1best | 1best | |
| ↓ lower better | — | 12 Wbest |
— | 1 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Display(3) | ||
Screen Size (inches) | 21.5 inches | 15.6 inches |
Refresh Rate (Hz) | 75 Hz | 60 Hz |
HDR Support | false | true |
Audio(1) | ||
Built‑in Speakers | false | true |


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

Professional reviewers note that the SB220Q bi delivers the expected IPS color quality and benefits from FreeSync, but missing VESA mount and modest build quality keep it from being a premium option.
Everyday users appreciate the monitor's sharp visuals, vibrant colors, and budget price, but common complaints focus on OSD button placement, backlight bleed, unstable stand, and occasional lack of an HDMI cable.

Reviewers praise its plug-and-play simplicity, solid indoor image quality and travel-friendly design, while noting the weak magnetic cover on early versions and the limited 60 Hz refresh for gaming.
Everyday users love the monitor's portability and ease of setup, calling it a great second screen, but they point out the need to stay powered and the modest refresh rate.
“amazing for the price.”

“OSD button placement under the monitor is poor design.”

“handy to have when traveling”


