LG 27GL83A-B 27" UltraGear QHD IPS Monitor vs AOC C24G1A 23.6" Curved FHD 165Hz Gaming Monitor
The LG 27GL83A-B 27" UltraGear QHD IPS Monitor is the mid-range option, offering a stunning QHD resolution of 2560 x 1440. In real-world use, this means sharper text and graphics than the AOC C24G1A 23.6" Curved FHD Gaming Monitor, which has a more standard FHD resolution of 1920 x 1080. However, if you’re after competitive gaming, the AOC C24G1A delivers a blistering 165Hz refresh rate compared to the LG's 144Hz. This makes a noticeable difference in smoothness during fast-paced action, allowing for a more responsive gaming experience overall. Key specs: Display: 27" vs 23.6" and Refresh: 144 Hz vs 165 Hz.
Why compare these? The LG 27GL83A-B 27" UltraGear QHD 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 | LG 27GL83A-B | AOC C24G1A |
|---|---|---|
| User Rating | 4.5★ (13,197 reviews) | ✓4.7★ (10,226 reviews) |
| Top Strength | Ideal 27-inch QHD sweet spot delivers sharper text and details than 1080p | 165Hz refresh rate (over DisplayPort) delivers smooth motion for competitive gaming |
| Main Drawback | Contrast ratio is mediocre (IPS glow is visible in dark rooms; blacks appear gray) | No USB ports (User draft lists 4x USB, but verified retail units LACK a USB hub) |
| Market Position | ✓Mid-range | Budget |
LG 27GL83A-B 27" UltraGear QHD IPS Monitor
27" Viewable (27" Class)
2560 x 1440 (QHD)
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: LG 27GL83A-B 27" UltraGear QHD IPS Monitor vs AOC C24G1A 23.6" Curved FHD 165Hz Gaming Monitor
LG 27GL83A-B 27" UltraGear QHD IPS Monitor
AOC C24G1A 23.6" Curved FHD 165Hz Gaming Monitor
| Criterion | LG 27GL83A-B 27" UltraGear QHD IPS Monitor | AOC C24G1A 23.6" Curved FHD 165Hz Gaming Monitor |
|---|---|---|
| Rating | ★4.5(13,197)Amazon | ★4.7(10,226)Amazon |
Screen Size | 27" Viewable (27" Class) | 23.6" Viewable (24" Class) |
Resolution | 2560 x 1440 (QHD) | 1920 x 1080 (FHD) |
Aspect Ratio | 16:9 | 16:9 |
Screen Type | IPS (In-Plane Switching) | VA (Vertical Alignment) |
Refresh Rate | 144 Hz | 165 Hz (via DisplayPort) / 144 Hz (via HDMI) |
Response Time | 1 ms (GtG) | 1 ms (MPRT) / 4 ms (GtG) |
Brightness | 350 nits (Typical) / 280 nits (Min) | 250 nits (Typical) |
Contrast | 1,000:1 (Typical) / 700:1 (Min) | 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 / 8-bit + FRC) | 16.7M (8-bit) |
HDR | HDR10 (Software support only) | No (Not supported) |
Adaptive Sync | NVIDIA G-SYNC Compatible / AMD FreeSync Premium | 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 DisplayPort 1.4; 2x HDMI 2.0; 1x 3.5mm Headphone 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), Pivot (90°), Tilt (-5° to 15°); No Swivel | Height (130mm), Swivel (-30° to 30°), Tilt (-5° to 23°); No Pivot |
Power Consumption | 51 W (Typical) / 65 W (Max) / 0.5 W (Sleep) | 31 W (Typical) / 0.5 W (Standby) |
Weight With Stand | 6,100 g (13.5 lbs) | 4,510 g (9.94 lbs) |
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LG 27GL83A-B 27" UltraGear QHD IPS Monitor
27" Viewable (27" Class)
2560 x 1440 (QHD)
16:9
IPS (In-Plane Switching)
144 Hz
1 ms (GtG)
Pros
- Ideal 27-inch QHD sweet spot delivers sharper text and details than 1080p
- Fast 1ms IPS panel eliminates motion blur while maintaining vibrant 99% sRGB colors
Cons
- Contrast ratio is mediocre (IPS glow is visible in dark rooms; blacks appear gray)
- Lacks a USB hub and built-in speakers (features found on the pricier '850' model)
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 LG 27GL83A-B 27" UltraGear QHD IPS Monitor is the better buy for most people - its QHD resolution of 2560 x 1440 crushes the AOC's FHD 1920 x 1080. That said, grab the AOC C24G1A if you want a budget-friendly option with a higher refresh rate of 165Hz - it's a no-brainer for competitive gamers.
Who should buy each?
Choose the LG 27GL83A-B 27" UltraGear QHD IPS Monitor if: you want sharp 27" QHD resolution, prioritize color accuracy with 99% sRGB, or need an IPS panel for better viewing angles.
Choose the AOC C24G1A 23.6" Curved FHD 165Hz Gaming Monitor if: you want a budget option with a high refresh rate, prefer deep blacks with a 3,000:1 contrast ratio, or need a curved display for immersive gaming.
Quality Seekers
Higher user rating (4.7★ vs 4.5★) indicates better overall satisfaction
→ Choose AOC C24G1A
Premium Buyers
Higher-tier option with more premium features and build quality
→ Choose LG 27GL83A-B
Value Seekers
Better value proposition for buyers who don't need top-tier features
→ Choose AOC C24G1A
Ideal 27-inch QHD Priority
Ideal 27-inch QHD sweet spot delivers sharper text and details than 1080p
→ Choose LG 27GL83A-B
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 4.5★. That said, LG 27GL83A-B 27" UltraGear QHD IPS Monitor could still be the right pick depending on your specific priorities.
Frequently Asked Questions
+Which is better: LG 27GL83A-B 27" UltraGear QHD IPS Monitor or AOC C24G1A 23.6" Curved FHD 165Hz Gaming Monitor?
LG 27GL83A-B 27" UltraGear QHD IPS Monitor is the better choice if you prioritize ideal 27-inch qhd sweet spot delivers sharper text and details than 1080p. 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 (4.5★ vs 4.7★), so consider your specific needs and budget.
+What are the main differences between LG 27GL83A-B 27" UltraGear QHD IPS Monitor and AOC C24G1A 23.6" Curved FHD 165Hz Gaming Monitor?
Key differences: LG 27GL83A-B 27" UltraGear QHD IPS Monitor offers ideal 27-inch qhd sweet spot delivers sharper text and details than 1080p, 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 LG 27GL83A-B 27" UltraGear QHD IPS Monitor contrast ratio is mediocre (ips glow is visible in dark rooms; blacks appear gray). 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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