Acer SB220Q bi 21.5" FHD IPS Monitor vs AOC C24G1A 23.6" Curved FHD 165Hz Gaming Monitor
For gamers, the AOC C24G1A 23.6" Curved FHD 165Hz Gaming Monitor is the standout choice thanks to its impressive 165Hz refresh rate compared to the Acer SB220Q bi 21.5" FHD IPS Monitor's 75Hz. This means smoother motion in fast-paced games, making it a no-brainer for competitive play. However, if you need a compact option for general use, the Acer's ultra-thin design and wide viewing angles at 178° are hard to beat. With a size of 21.5 inches, it's perfect for small desk setups, but you’ll miss out on the vibrant, curved display the AOC offers, which enhances immersion at 23.6 inches. Key specs: Display: 21.5" vs 23.6" and Refresh: 75 Hz vs 165 Hz.
Why compare these? Both the Acer SB220Q bi 21.5" FHD IPS Monitor and AOC C24G1A 23.6" Curved FHD 165Hz Gaming Monitor are budget-friendly monitors competing in the same market segment. This makes them direct rivals for buyers looking for budget-friendly features and performance in 2026. Understanding their differences helps you choose the right one for your specific needs.
As an Amazon Associate I earn from qualifying purchases.
Key Differences at a Glance
| Aspect | Acer SB220Q | AOC C24G1A |
|---|---|---|
| User Rating | 4.6★ (42,572 reviews) | ✓4.7★ (10,226 reviews) |
| Top Strength | Ultra-thin 'Zero Frame' design looks modern and saves desk space | 165Hz refresh rate (over DisplayPort) delivers smooth motion for competitive gaming |
| Main Drawback | Lacks VESA mount compatibility (cannot be mounted on arms or walls) | No USB ports (User draft lists 4x USB, but verified retail units LACK a USB hub) |
| Market Position | Budget | Budget |
Acer SB220Q bi 21.5" FHD IPS Monitor
21.5" Viewable
1920 x 1080 (FHD)
16:9
IPS (In-Plane Switching)
AOC C24G1A 23.6" Curved FHD 165Hz Gaming Monitor
23.6" Viewable (24" Class)
1920 x 1080 (FHD)
16:9
VA (Vertical Alignment)
Only the specs that differ are shown here. Winners are highlighted when the data is clear.
+Full specs, pros, and cons
Everything side-by-side with ratings and the full spec list.
Expand
Full specs, pros, and cons
Everything side-by-side with ratings and the full spec list.
Comparison: Acer SB220Q bi 21.5" FHD IPS Monitor vs AOC C24G1A 23.6" Curved FHD 165Hz Gaming Monitor
Acer SB220Q bi 21.5" FHD IPS Monitor
AOC C24G1A 23.6" Curved FHD 165Hz Gaming Monitor
| Criterion | Acer SB220Q bi 21.5" FHD IPS Monitor | AOC C24G1A 23.6" Curved FHD 165Hz Gaming Monitor |
|---|---|---|
| Rating | ★4.6(42,572)Amazon | ★4.7(10,226)Amazon |
Screen Size | 21.5" Viewable | 23.6" Viewable (24" Class) |
Resolution | 1920 x 1080 (FHD) | 1920 x 1080 (FHD) |
Aspect Ratio | 16:9 | 16:9 |
Screen Type | IPS (In-Plane Switching) | VA (Vertical Alignment) |
Refresh Rate | 75 Hz (via HDMI) / 60 Hz (via VGA) | 165 Hz (via DisplayPort) / 144 Hz (via HDMI) |
Response Time | 4 ms (GtG) | 1 ms (MPRT) / 4 ms (GtG) |
Brightness | 250 nits (cd/m²) | 250 nits (Typical) |
Contrast | 1,000:1 (Static) / 100,000,000:1 (Dynamic) | 3,000:1 (Static) / 80,000,000:1 (Dynamic) |
Color Gamut | 72% NTSC (Approx. 99% sRGB) | 119% sRGB / 88% DCI-P3 (CIE1976) |
Color Depth | 16.7M (6-bit + FRC) | 16.7M (8-bit) |
HDR | No (Not supported) | No (Not supported) |
Adaptive Sync | AMD Radeon FreeSync (48-75Hz range via HDMI) | AMD FreeSync Premium (48-165Hz range via DP) |
Viewing Angles | 178° (H) / 178° (V) | 178° (H) / 178° (V) |
Curvature | Flat | 1500R |
Speakers | No (None) | No (None) |
Ports | 1x HDMI 1.4; 1x VGA | 2x HDMI 2.0; 1x DisplayPort 1.2; 1x VGA; 1x 3.5mm Audio Out |
USB C | No | No |
Kvm | No | No |
Vesa | No (Not VESA compatible) | 100 x 100 mm |
Ergonomics | Tilt only (-5° to 15°) | Height (130mm), Swivel (-30° to 30°), Tilt (-5° to 23°); No Pivot |
Power Consumption | 24 W (Typical) / 0.45 W (Standby) | 31 W (Typical) / 0.5 W (Standby) |
Weight With Stand | 2,480 g (5.47 lbs) | 4,510 g (9.94 lbs) |
| Pros |
|
|
| Cons |
|
|
As an Amazon Associate I earn from qualifying purchases. | Check Price on Amazon→ | Check Price on Amazon→ |
Acer SB220Q bi 21.5" FHD IPS Monitor
21.5" Viewable
1920 x 1080 (FHD)
16:9
IPS (In-Plane Switching)
75 Hz (via HDMI) / 60 Hz (via VGA)
4 ms (GtG)
Pros
- Ultra-thin 'Zero Frame' design looks modern and saves desk space
- IPS panel ensures consistent colors and wide viewing angles (178°)
Cons
- Lacks VESA mount compatibility (cannot be mounted on arms or walls)
- No built-in audio or headphone jack
AOC C24G1A 23.6" Curved FHD 165Hz Gaming Monitor
23.6" Viewable (24" Class)
1920 x 1080 (FHD)
16:9
VA (Vertical Alignment)
165 Hz (via DisplayPort) / 144 Hz (via HDMI)
1 ms (MPRT) / 4 ms (GtG)
Pros
- 165Hz refresh rate (over DisplayPort) delivers smooth motion for competitive gaming
- High 3,000:1 contrast ratio provides deep blacks superior to IPS panels
Cons
- No USB ports (User draft lists 4x USB, but verified retail units LACK a USB hub)
- Ghosting / black smearing is noticeable in dark transitions (typical of budget VA panels)
Which one is better?
The AOC C24G1A is the better buy for most people - its 165Hz refresh rate crushes the Acer SB220Q bi's 75Hz. That said, grab the Acer if you want a lightweight monitor for basic tasks - it's lighter and great for everyday use.
Who should buy each?
Choose the Acer SB220Q bi 21.5" FHD IPS Monitor if: you want a sleek, space-saving design, need something lightweight for easy transport, or use it primarily for office tasks. (21.5" display, 75 Hz refresh)
Choose the AOC C24G1A 23.6" Curved FHD 165Hz Gaming Monitor if: you game competitively, appreciate rich colors with a high contrast ratio, or want a larger display for an immersive experience. (23.6" display, 165 Hz refresh)
Quality Seekers
Higher user rating (4.7★ vs 4.6★) indicates better overall satisfaction
→ Choose AOC C24G1A
Safe Choice Buyers
More widely tested with 42,572 reviews vs 10,226
→ Choose Acer SB220Q
Ultra-thin 'Zero Frame' Priority
Ultra-thin 'Zero Frame' design looks modern and saves desk space
→ Choose Acer SB220Q
165Hz refresh rate Priority
165Hz refresh rate (over DisplayPort) delivers smooth motion for competitive gaming
→ Choose AOC C24G1A
Conclusion
We hope this comparison helps you buy with confidence. Both products are dependable; the right one depends on how you will use it.
Bottom line: The AOC C24G1A 23.6" Curved FHD 165Hz Gaming Monitor leads with a 4.7★ rating versus 4.6★. That said, Acer SB220Q bi 21.5" FHD IPS Monitor could still be the right pick depending on your specific priorities.
Frequently Asked Questions
+Which is better: Acer SB220Q bi 21.5" FHD IPS Monitor or AOC C24G1A 23.6" Curved FHD 165Hz Gaming Monitor?
Acer SB220Q bi 21.5" FHD IPS Monitor is the better choice if you prioritize ultra-thin 'zero frame' design looks modern and saves desk space. AOC C24G1A 23.6" Curved FHD 165Hz Gaming Monitor wins if you value 165hz refresh rate (over displayport) delivers smooth motion for competitive gaming. Both are rated highly (4.6★ vs 4.7★), so consider your specific needs and budget.
+What are the main differences between Acer SB220Q bi 21.5" FHD IPS Monitor and AOC C24G1A 23.6" Curved FHD 165Hz Gaming Monitor?
Key differences: Acer SB220Q bi 21.5" FHD IPS Monitor offers ultra-thin 'zero frame' design looks modern and saves desk space, while AOC C24G1A 23.6" Curved FHD 165Hz Gaming Monitor stands out with 165hz refresh rate (over displayport) delivers smooth motion for competitive gaming. Consider that Acer SB220Q bi 21.5" FHD IPS Monitor lacks vesa mount compatibility (cannot be mounted on arms or walls). Meanwhile, AOC C24G1A 23.6" Curved FHD 165Hz Gaming Monitor no usb ports (user draft lists 4x usb, but verified retail units lack a usb hub). Check the detailed specs table above for a complete comparison.
+Where can US buyers get the best price?
For US buyers, Amazon typically offers competitive pricing with Prime shipping, easy returns, and reliable warranty support. We recommend comparing prices on both products using our affiliate links above—prices fluctuate regularly, and you may find sales or deals.
+Is this comparison up to date?
Yes, this comparison is current for 2026. We regularly verify specs, ratings, and availability. Last verified: January 26, 2026. PageBen uses affiliate links for monetization, but our recommendations are research-driven and independent.
Affiliate disclosure
PageBen uses Amazon affiliate links. If you purchase through our links, we may earn a commission at no extra cost to you. This supports independent content for US shoppers.