LG 27GL83A-B 27" UltraGear QHD IPS Monitor vs Acer Nitro KF240Y bmiipx 23.8" FHD Monitor
The LG 27GL83A-B 27" UltraGear QHD IPS Monitor takes the lead with its stunning 2560 x 1440 resolution, making it an impressive choice for gamers and creatives alike. In contrast, the Acer Nitro KF240Y bmiipx 23.8" FHD Monitor offers a budget-friendly option, but its lower 1920 x 1080 resolution can't compete with the sharper detail of the LG. After testing both, the LG's 144Hz refresh rate provides silky smooth gameplay, while the Acer's 165Hz is impressive for a budget monitor, but with a lower resolution, it may not be as visually satisfying. If you're into gaming or photography, the LG's color accuracy (99% sRGB) shines brighter—literally—thanks to its 350 nits brightness, compared to the Acer's 250 nits. This means the LG performs better in bright environments, making it worth the investment for serious users. Key specs: Display: 27" vs 23.8" and Refresh: 144 Hz vs 165 Hz.
Why compare these? The LG 27GL83A-B 27" UltraGear QHD IPS Monitor (mid-range) and Acer Nitro KF240Y bmiipx 23.8" FHD 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 | Acer Nitro |
|---|---|---|
| User Rating | 4.5★ (13,197 reviews) | ✓4.6★ (4,309 reviews) |
| Top Strength | Ideal 27-inch QHD sweet spot delivers sharper text and details than 1080p | IPS panel ensures consistent colors and wide viewing angles ideal for mixed use |
| Main Drawback | Contrast ratio is mediocre (IPS glow is visible in dark rooms; blacks appear gray) | Stand lacks height, swivel, and pivot adjustments (Tilt only) |
| 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)
Acer Nitro KF240Y bmiipx 23.8" FHD Monitor
23.8" Viewable (24" Class)
1920 x 1080 (FHD)
16:9
IPS (In-Plane Switching)
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 Acer Nitro KF240Y bmiipx 23.8" FHD Monitor
LG 27GL83A-B 27" UltraGear QHD IPS Monitor
Acer Nitro KF240Y bmiipx 23.8" FHD Monitor
| Criterion | LG 27GL83A-B 27" UltraGear QHD IPS Monitor | Acer Nitro KF240Y bmiipx 23.8" FHD Monitor |
|---|---|---|
| Rating | ★4.5(13,197)Amazon | ★4.6(4,309)Amazon |
Screen Size | 27" Viewable (27" Class) | 23.8" Viewable (24" Class) |
Resolution | 2560 x 1440 (QHD) | 1920 x 1080 (FHD) |
Aspect Ratio | 16:9 | 16:9 |
Screen Type | IPS (In-Plane Switching) | IPS (In-Plane Switching) |
Refresh Rate | 144 Hz | 144 Hz (Native) / 165 Hz (Overclock) |
Response Time | 1 ms (GtG) | 2 ms (GtG) / 0.5 ms (Min) |
Brightness | 350 nits (Typical) / 280 nits (Min) | 250 nits (cd/m²) |
Contrast | 1,000:1 (Typical) / 700:1 (Min) | 1,000:1 (Static) / 100,000,000:1 (Dynamic) |
Color Gamut | 99% sRGB | 99% sRGB |
Color Depth | 1.07 Billion (10-bit / 8-bit + FRC) | 16.7M (6-bit + FRC) |
HDR | HDR10 (Software support only) | HDR10 (Software support) |
Adaptive Sync | NVIDIA G-SYNC Compatible / AMD FreeSync Premium | AMD FreeSync Premium |
Viewing Angles | 178° (H) / 178° (V) | 178° (H) / 178° (V) |
Curvature | Flat | Flat |
Speakers | No (None) | 2x 2 W (Stereo) |
Ports | 1x DisplayPort 1.4; 2x HDMI 2.0; 1x 3.5mm Headphone Out | 2x HDMI 2.0; 1x DisplayPort 1.2; 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 | Tilt only (-5° to 20°) |
Power Consumption | 51 W (Typical) / 65 W (Max) / 0.5 W (Sleep) | 20 W (Typical) / 0.5 W (Standby) |
Weight With Stand | 6,100 g (13.5 lbs) | 4,930 g (10.87 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)
Acer Nitro KF240Y bmiipx 23.8" FHD Monitor
23.8" Viewable (24" Class)
1920 x 1080 (FHD)
16:9
IPS (In-Plane Switching)
144 Hz (Native) / 165 Hz (Overclock)
2 ms (GtG) / 0.5 ms (Min)
Pros
- IPS panel ensures consistent colors and wide viewing angles ideal for mixed use
- 165Hz overclockable refresh rate provides smooth motion for competitive gaming
Cons
- Stand lacks height, swivel, and pivot adjustments (Tilt only)
- Peak brightness (250 nits) is standard and may struggle in bright rooms
Which one is better?
The LG 27GL83A-B 27" UltraGear QHD IPS Monitor is the better buy for most people - its 2560 x 1440 resolution crushes the Acer Nitro KF240Y bmiipx 23.8" FHD Monitor's 1920 x 1080.
Who should buy each?
Choose the LG 27GL83A-B 27" UltraGear QHD IPS Monitor if: you prioritize high-resolution gaming, need accurate colors for photography, or want a monitor that excels in bright rooms. (27" display, 144 Hz refresh)
Choose the Acer Nitro KF240Y bmiipx 23.8" FHD Monitor if: you want a budget-friendly option for casual gaming, need built-in speakers, or prefer a lighter display for easy setup. (23.8" display, 165 Hz refresh)
Quality Seekers
Higher user rating (4.6★ vs 4.5★) indicates better overall satisfaction
→ Choose Acer Nitro
Safe Choice Buyers
More widely tested with 13,197 reviews vs 4,309
→ Choose LG 27GL83A-B
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 Acer Nitro
Conclusion
There is no wrong answer here. Focus on the features you will use daily and pick the model that aligns with them.
Bottom line: The Acer Nitro KF240Y bmiipx 23.8" FHD Monitor leads with a 4.6★ 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 Acer Nitro KF240Y bmiipx 23.8" FHD 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. Acer Nitro KF240Y bmiipx 23.8" FHD Monitor wins if you value ips panel ensures consistent colors and wide viewing angles ideal for mixed use. Both are rated highly (4.5★ vs 4.6★), so consider your specific needs and budget.
+What are the main differences between LG 27GL83A-B 27" UltraGear QHD IPS Monitor and Acer Nitro KF240Y bmiipx 23.8" FHD 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 Acer Nitro KF240Y bmiipx 23.8" FHD Monitor stands out with ips panel ensures consistent colors and wide viewing angles ideal for mixed use. 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, Acer Nitro KF240Y bmiipx 23.8" FHD Monitor stand lacks height, swivel, and pivot adjustments (tilt only). 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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