Dell S2721QS 27" 4K UHD IPS Monitor vs AOC C24G1A 23.6" Curved FHD 165Hz Gaming Monitor
The Dell S2721QS 27" 4K UHD IPS Monitor is the premium option here, offering stunning 4K resolution at 3840 x 2160. Meanwhile, the AOC C24G1A 23.6" Curved FHD 165Hz Gaming Monitor is a budget-friendly choice focused on gaming performance with a 165Hz refresh rate. In real-world use, the 4K clarity on the Dell makes it ideal for photography and media, while the AOC excels in fast-paced gaming scenarios with smooth visuals. Key specs: Display: 27" vs 23.6" and Refresh: 60 Hz vs 165 Hz.
Why compare these? The Dell S2721QS 27" 4K UHD IPS Monitor (mid-range) and AOC C24G1A 23.6" Curved FHD 165Hz Gaming Monitor (budget-friendly) represent different approaches to monitors. While they may appeal to different budgets, many buyers consider both options. This 2026 comparison helps you decide if the differences justify the price gap.
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Key Differences at a Glance
| Aspect | Dell S2721QS | AOC C24G1A |
|---|---|---|
| User Rating | 4.4★ (1,905 reviews) | ✓4.7★ (10,226 reviews) |
| Top Strength | Razor-sharp 4K resolution (163 PPI) delivers excellent text clarity | 165Hz refresh rate (over DisplayPort) delivers smooth motion for competitive gaming |
| Main Drawback | Limited to 60Hz, making it less suitable for fast-paced gaming | No USB ports (User draft lists 4x USB, but verified retail units LACK a USB hub) |
| Market Position | ✓Mid-range | Budget |
Dell S2721QS 27" 4K UHD IPS Monitor
27" Viewable (27" Class)
3840 x 2160 (4K UHD)
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.
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Full specs, pros, and cons
Everything side-by-side with ratings and the full spec list.
Comparison: Dell S2721QS 27" 4K UHD IPS Monitor vs AOC C24G1A 23.6" Curved FHD 165Hz Gaming Monitor
Dell S2721QS 27" 4K UHD IPS Monitor
AOC C24G1A 23.6" Curved FHD 165Hz Gaming Monitor
| Criterion | Dell S2721QS 27" 4K UHD IPS Monitor | AOC C24G1A 23.6" Curved FHD 165Hz Gaming Monitor |
|---|---|---|
| Rating | ★4.4(1,905)Amazon | ★4.7(10,226)Amazon |
Screen Size | 27" Viewable (27" Class) | 23.6" Viewable (24" Class) |
Resolution | 3840 x 2160 (4K UHD) | 1920 x 1080 (FHD) |
Aspect Ratio | 16:9 | 16:9 |
Screen Type | IPS (In-Plane Switching) | VA (Vertical Alignment) |
Refresh Rate | 60 Hz | 165 Hz (via DisplayPort) / 144 Hz (via HDMI) |
Response Time | 4 ms (Gray-to-Gray Extreme Mode) | 1 ms (MPRT) / 4 ms (GtG) |
Brightness | 350 nits (Typical) | 250 nits (Typical) |
Contrast | 1,300:1 (Typical) | 3,000:1 (Static) / 80,000,000:1 (Dynamic) |
Color Gamut | 99% sRGB | 119% sRGB / 88% DCI-P3 (CIE1976) |
Color Depth | 1.07 Billion (10-bit via 8-bit + FRC) | 16.7M (8-bit) |
HDR | HDR Playback Support (Not VESA Certified) | No (Not supported) |
Adaptive Sync | AMD FreeSync (40Hz - 60Hz) | AMD FreeSync Premium (48-165Hz range via DP) |
Viewing Angles | 178° (H) / 178° (V) | 178° (H) / 178° (V) |
Curvature | Flat | 1500R |
Speakers | 2x 3 W (Stereo) | No (None) |
Ports | 2x HDMI 2.0; 1x DisplayPort 1.2; 1x 3.5mm Audio Line-out | 2x HDMI 2.0; 1x DisplayPort 1.2; 1x VGA; 1x 3.5mm Audio Out |
USB C | No | No |
Kvm | No | No |
Vesa | 100 x 100 mm | 100 x 100 mm |
Ergonomics | Height (110mm), Tilt (-5° to 21°), Swivel (-30° to 30°), Pivot (90°) | Height (130mm), Swivel (-30° to 30°), Tilt (-5° to 23°); No Pivot |
Power Consumption | 28 W (Typical) / 52 W (Max) / 0.3 W (Standby) | 31 W (Typical) / 0.5 W (Standby) |
Weight With Stand | 6,400 g (14.11 lbs) | 4,510 g (9.94 lbs) |
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Dell S2721QS 27" 4K UHD IPS Monitor
27" Viewable (27" Class)
3840 x 2160 (4K UHD)
16:9
IPS (In-Plane Switching)
60 Hz
4 ms (Gray-to-Gray Extreme Mode)
Pros
- Razor-sharp 4K resolution (163 PPI) delivers excellent text clarity
- Fully adjustable ergonomic stand (Height, Pivot, Swivel, Tilt) included
Cons
- Limited to 60Hz, making it less suitable for fast-paced gaming
- Lacks USB-C connectivity and USB data hub
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 Dell S2721QS 27" 4K UHD IPS Monitor is the better buy for most people - its razor-sharp 4K resolution crushes the AOC's FHD display. That said, grab the AOC C24G1A if you need high refresh rates for competitive gaming - it's 60Hz faster.
Who should buy each?
Choose the Dell S2721QS 27" 4K UHD IPS Monitor if: you edit high-resolution photos, enjoy watching movies in 4K, or need an ergonomic setup with full adjustability.
Choose the AOC C24G1A 23.6" Curved FHD 165Hz Gaming Monitor if: you play fast-paced games, want a budget-friendly option, or prefer a curved display for immersive gaming. (23.6" display, 165 Hz refresh)
Quality Seekers
Higher user rating (4.7★ vs 4.4★) indicates better overall satisfaction
→ Choose AOC C24G1A
Safe Choice Buyers
More widely tested with 10,226 reviews vs 1,905
→ Choose AOC C24G1A
Premium Buyers
Higher-tier option with more premium features and build quality
→ Choose Dell S2721QS
Value Seekers
Better value proposition for buyers who don't need top-tier features
→ 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 4.4★. That said, Dell S2721QS 27" 4K UHD IPS Monitor could still be the right pick depending on your specific priorities.
Frequently Asked Questions
+Which is better: Dell S2721QS 27" 4K UHD IPS Monitor or AOC C24G1A 23.6" Curved FHD 165Hz Gaming Monitor?
Dell S2721QS 27" 4K UHD IPS Monitor is the better choice if you prioritize razor-sharp 4k resolution (163 ppi) delivers excellent text clarity. 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 (4.4★ vs 4.7★), so consider your specific needs and budget.
+What are the main differences between Dell S2721QS 27" 4K UHD IPS Monitor and AOC C24G1A 23.6" Curved FHD 165Hz Gaming Monitor?
Key differences: Dell S2721QS 27" 4K UHD IPS Monitor offers razor-sharp 4k resolution (163 ppi) delivers excellent text clarity, 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 Dell S2721QS 27" 4K UHD IPS Monitor limited to 60hz, making it less suitable for fast-paced gaming. 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.
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