
Acer SB220Q 21.5-inch
Score: 63/100
KOORUI MG24H3F
Score: 60/100Rankings

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.

A 24-inch Fast IPS gaming monitor delivering 240 Hz refresh and 1 ms response, with good color coverage and HDR400, aimed at esports enthusiasts while lacking extensive ergonomics and strong HDR performance.
| Attribute | ![]() | ![]() |
|---|---|---|
21.5 inches | 24 inchesbest | |
75 Hz | 240 Hzbest | |
| ↓ lower better | — | 1 msbest |
— | 99 %best | |
1best | 1best | |
— | 1best |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Display(3) | ||
Screen Size (inches) | 21.5 inches | 24 inches |
Refresh Rate (Hz) | 75 Hz | 240 Hz |
HDR Support | 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.

Tech reviewers praise the true 240 Hz experience on a Fast IPS panel and the vibrant colors, noting the lack of a certified G-Sync label and modest HDR brightness as minor drawbacks.
Users highlight buttery-smooth gameplay and vivid colors, but report backlight bleed, a sluggish OSD, and limited ergonomic options.
“amazing for the price.”

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

“Incredibly smooth gameplay-perfect for competitive gaming.”


