
Acer SB220Q
Score: 69/100
LG 27US500
Score: 72/100Rankings

The LG 27US500-W is a 27-inch 4K IPS monitor offering HDR10 support and a 90% DCI-P3 color gamut, delivering sharp detail and vibrant colors. Its 60 Hz refresh and tilt-only stand limit suitability for fast-paced gaming and ergonomic flexibility. Best suited for creators and office users who prioritize resolution and color accuracy over high refresh rates.

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 | 27 inchesbest | |
75 Hzbest | 60 Hz | |
| ↓ lower better | 4 msbest | 5 ms |
250 nits | 300 nitsbest | |
1,000best | 1,000best | |
1best | 1best | |
— | 90 %best | |
— | 1best |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Features(1) | ||
Adaptive Sync | true | false |
Display(5) | ||
Screen Size (inches) | 21.5 inches | 27 inches |
Resolution | 1920x1080 | 3840x2160 |
Refresh Rate (Hz) | 75 Hz | 60 Hz |
Response Time (ms) | 4 ms | 5 ms |
Brightness (nits) | 250 nits | 300 nits |
Build & Design(2) | ||
Weight (with stand) (kg) | 2.54 kg | 3.1 kg |
Dimensions (W×H×D) (mm) | 498×384×211 mm mm | 613.5x454.7x215.9 mm mm |
General(1) | ||
Warranty (years) | 3 years | 1 years |


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 and editors are not directly cited in the available sources; however, manufacturer and retailer descriptions highlight the monitor's strong color accuracy, 4K resolution, and space‑saving design, positioning it as a solid choice for creators and office users while noting its limited refresh rate and ergonomics for gaming or intensive workstation setups.

