
Acer SB220Q
Score: 69/100
AOC 24G2
Score: 86/100Rankings

The AOC 24G2 is a 23.8-inch IPS gaming monitor praised for its 144 Hz refresh rate and vibrant colors. Its modest contrast, limited brightness, and lack of speakers are notable trade-offs. Ideal for budget-conscious esports players who value speed over HDR performance.

The Acer SB220Q bi is a compact 21.5-inch IPS monitor that offers a 75 Hz refresh rate with FreeSync and a sleek zero-frame design. Its connectivity is limited to a single HDMI and VGA, and it lacks speakers and ergonomic adjustments. Best suited for budget-conscious home office users and casual gamers who prioritize a thin aesthetic over extensive features.
| Attribute | ![]() | ![]() |
|---|---|---|
21.5 inches | 23.8 inchesbest | |
75 Hz | 144 Hzbest | |
| ↓ lower better | 4 ms | 1 msbest |
250 nitsbest | 250 nitsbest | |
1,000best | 1,000best | |
1 | 2best | |
— | 123 %best | |
— | 1best |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Display(4) | ||
Screen Size (inches) | 21.5 inches | 23.8 inches |
Resolution | 1920x1080 | 1920 x 1080 |
Refresh Rate (Hz) | 75 Hz | 144 Hz |
Response Time (ms) | 4 ms | 1 ms |
Connectivity(1) | ||
HDMI Ports | 1 | 2 |
Build & Design(2) | ||
Weight (with stand) (kg) | 2.54 kg | 4.25 kg |
Dimensions (W×H×D) (mm) | 498×384×211 mm mm | 539.05 x 374.61-504.61 x 227.36 mm mm |


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

Professional reviewers commend the Acer SB220Q bi for its vibrant IPS colors, wide viewing angles, and smooth FreeSync performance at an affordable price, while also noting its sleek zero-frame aesthetic. However, they criticize the limited port selection, lack of VESA mounting and ergonomic adjustments, and modest brightness and contrast that may not satisfy color-critical tasks.
Everyday users appreciate the monitor's slim design, sharp Full HD image, and eye-care features, finding it a great value for home offices and dual-monitor setups. Recurring complaints focus on the wobbly stand, limited connectivity, absence of speakers, and lack of height adjustment, with occasional reports of backlight bleed.

Professional reviewers commend the 24G2 for its low input lag, FreeSync Premium and G-Sync compatibility, which together deliver a highly responsive gaming experience. The IPS panel's color accuracy and 123 % sRGB coverage receive praise, as does the compact ergonomic stand that fits tight desk spaces. However, editors note the modest 1000:1 contrast ratio, lack of HDR, and average brightness as drawbacks for dark-room or content-creation work.
Everyday users highlight the smooth 144 Hz gameplay, vibrant IPS colors, and sturdy adjustable stand as the main strengths of the monitor. Recurring complaints focus on IPS glow, backlight bleeding, limited ports, stand wobble at full height, and the monitor's low brightness in bright environments.
“Smooth gaming (144 Hz + FreeSync reduces tearing)”

“Sturdy adjustable stand”


