
Acer SB220Q 21.5-inch
Score: 69/100
BenQ GW2490
Score: 80/100Rankings

The BenQ GW2490 is a 23.8" IPS office monitor that emphasizes eye-care technologies and delivers up to 100 Hz refresh via DisplayPort. It offers strong color accuracy and low-blue-light features, though ergonomic adjustments are limited.

The Acer SB220Q bi is a budget-friendly 21.5-inch IPS monitor with a zero-frame design and FreeSync support. It offers good color performance for everyday tasks but lacks ergonomic adjustments and a stable stand.
| Attribute | ![]() | ![]() |
|---|---|---|
21.5 inches | 23.8 inchesbest | |
75 Hz | 100 Hzbest | |
— | 250 nitsbest | |
— | 1,300 ratiobest | |
| ↓ lower better | — | 5 msbest |
— | 2 countbest | |
— | 1 countbest | |
— | 36 monthsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Display(2) | ||
Screen Size (inches) | 21.5 inches | 23.8 inches |
Refresh Rate (Hz) | 75 Hz | 100 Hz |
Audio(1) | ||
Built‑in Speakers | false | true |
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 SB220Q bi delivers the expected IPS color quality and benefits from FreeSync, making it a solid choice for everyday office and multimedia use. However, they point out the missing VESA mount and modest build quality as drawbacks that keep it from being a premium option.
Everyday users appreciate the monitor's sharp visuals, vibrant colors, and budget-friendly price, especially for compact spaces. Common complaints focus on the inconvenient OSD button placement, backlight bleed, unstable stand, and occasional lack of an HDMI cable.

Professional reviewers consider the GW2490 a top-tier office monitor, lauding its TUV-certified eye-care technologies and 100 Hz refresh, while noting the lack of height adjustment and modest speakers.
Everyday users praise the sharp text, accurate colors, thin bezels, and eye-comfort suite, but complain about limited tilt adjustment, HDMI refresh limits, and weak built-in speakers.
“amazing for the price.”

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