LG 27GL83A-B 27" UltraGear QHD IPS Monitor vs Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor
The LG 27GL83A-B 27" UltraGear QHD IPS Monitor excels in speed, delivering a 144Hz refresh rate compared to the Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor's 320Hz. However, the Acer's 4K resolution at 3840 x 2160 offers sharper visuals for those who prioritize detail. In real-world use, the LG's 1ms response time ensures smoother gameplay, making it perfect for competitive gaming. On the flip side, if you're into content creation or enjoy crisp visuals, the Acer's Mini-LED tech provides a brightness of up to 600 cd/m², which is a significant advantage for vibrant HDR content. Key specs: Refresh: 144 Hz vs 320 Hz and Weight: 215.17 oz vs 237.04 oz.
Why compare these? The LG 27GL83A-B 27" UltraGear QHD IPS Monitor (mid-range) and Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor (entry-level) 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.
As an Amazon Associate I earn from qualifying purchases.
Key Differences at a Glance
| Aspect | LG 27GL83A-B | Acer Nitro |
|---|---|---|
| User Rating | ✓4.5★ (13,197 reviews) | 3.6★ (36 reviews) |
| Top Strength | Ideal 27-inch QHD sweet spot delivers sharper text and details than 1080p | Innovative Dual Mode: Switch between high-res 4K 160Hz or ultra-fast 1080p 320Hz |
| Main Drawback | Contrast ratio is mediocre (IPS glow is visible in dark rooms; blacks appear gray) | OSD menu navigation can be clunky compared to competitors |
| Market Position | ✓Mid-range | Entry |
LG 27GL83A-B 27" UltraGear QHD IPS Monitor
27" Viewable (27" Class)
2560 x 1440 (QHD)
16:9
IPS (In-Plane Switching)
27" (68.6 cm)
3840 x 2160 (4K UHD)
16:9
IPS (Mini-LED backlight)
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: LG 27GL83A-B 27" UltraGear QHD IPS Monitor vs Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor
LG 27GL83A-B 27" UltraGear QHD IPS Monitor
Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor
| Criterion | LG 27GL83A-B 27" UltraGear QHD IPS Monitor | Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor |
|---|---|---|
| Rating | ★4.5(13,197)Amazon | ★3.6(36)Amazon |
Screen Size | 27" Viewable (27" Class) | 27" (68.6 cm) |
Resolution | 2560 x 1440 (QHD) | 3840 x 2160 (4K UHD) |
Aspect Ratio | 16:9 | 16:9 |
Screen Type | IPS (In-Plane Switching) | IPS (Mini-LED backlight) |
Refresh Rate | 144 Hz | 160 Hz (4K); 320 Hz (1080p via DFR Dual Mode) |
Response Time | 1 ms (GtG) | 1 ms (GtG) |
Brightness | 350 nits (Typical) / 280 nits (Min) | 600 cd/m² (Typical); 1000 cd/m² (HDR Peak) |
Contrast | 1,000:1 (Typical) / 700:1 (Min) | 1,000:1 (Native); 100,000,000:1 (ACM Dynamic) |
Color Gamut | 99% sRGB | 99% AdobeRGB; 95% DCI-P3 |
Color Depth | 1.07 Billion (10-bit / 8-bit + FRC) | 10-bit (8-bit + FRC) |
HDR | HDR10 (Software support only) | VESA DisplayHDR 1000 (HDR10) |
Adaptive Sync | NVIDIA G-SYNC Compatible / AMD FreeSync Premium | AMD FreeSync Premium |
Viewing Angles | 178° (H) / 178° (V) | 178° (H) / 178° (V) |
Curvature | Flat | No (Flat panel) |
Speakers | No (None) | Yes (2x 3W) |
Ports | 1x DisplayPort 1.4; 2x HDMI 2.0; 1x 3.5mm Headphone Out | 2x HDMI 2.1; 1x DisplayPort 1.4; 1x USB-C (DP Alt Mode, 90W PD); 2x USB-A 3.0 (Downstream); 1x USB-B (Upstream); 1x 3.5mm Audio Out |
USB C | No | Yes (DP Alt Mode, Data, 90W Power Delivery) |
Kvm | No | Yes (Built-in KVM switch) |
Vesa | 100 x 100 mm | 75 x 75 mm |
Ergonomics | Height (110mm), Pivot (90°), Tilt (-5° to 15°); No Swivel | Tilt (-5° to 25°); Swivel (±25°); Height adj. (150 mm); Pivot (±90°) |
Power Consumption | 51 W (Typical) / 65 W (Max) / 0.5 W (Sleep) | 35 W (Standard); 230 W (Max with USB-C charging) |
Weight With Stand | 6,100 g (13.5 lbs) | 6,720 g (14.82 lbs) |
| Pros |
|
|
| Cons |
|
|
As an Amazon Associate I earn from qualifying purchases. | Check Price on Amazon→ | Check Price on Amazon→ |
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 XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor
27" (68.6 cm)
3840 x 2160 (4K UHD)
16:9
IPS (Mini-LED backlight)
160 Hz (4K); 320 Hz (1080p via DFR Dual Mode)
1 ms (GtG)
Pros
- Innovative Dual Mode: Switch between high-res 4K 160Hz or ultra-fast 1080p 320Hz
- Mini-LED backlight with 576 local dimming zones delivers deep blacks and high brightness
Cons
- OSD menu navigation can be clunky compared to competitors
- Local dimming (576 zones) may show slight blooming compared to higher-tier 1000+ zone panels
Which one is better?
The LG 27GL83A-B 27" UltraGear QHD IPS Monitor is the better buy for most people - its 144Hz refresh rate crushes the Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor's 320Hz for gaming. That said, grab the Acer if you need higher resolution for editing or watching movies - it's 4K and offers stunning image quality.
Who should buy each?
Choose the LG 27GL83A-B 27" UltraGear QHD IPS Monitor if: you prioritize competitive gaming with a 144Hz refresh rate, want sharp QHD visuals for general use, or need fast response times for FPS games.
Choose the Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor if: you create content that benefits from 4K resolution, want vibrant HDR visuals with high brightness, or need built-in speakers and USB-C connectivity.
Quality Seekers
Higher user rating (4.5★ vs 3.6★) indicates better overall satisfaction
→ Choose LG 27GL83A-B
Safe Choice Buyers
More widely tested with 13,197 reviews vs 36
→ 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
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 LG 27GL83A-B 27" UltraGear QHD IPS Monitor edges ahead with a 4.5★ rating compared to 3.6★. However, Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor remains a strong contender if its strengths align better with your needs.
Frequently Asked Questions
+Which is better: LG 27GL83A-B 27" UltraGear QHD IPS Monitor or Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode 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. Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor wins if you value innovative dual mode: switch between high-res 4k 160hz or ultra-fast 1080p 320hz. Both are rated highly (4.5★ vs 3.6★), so consider your specific needs and budget.
+What are the main differences between LG 27GL83A-B 27" UltraGear QHD IPS Monitor and Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode 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 Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor stands out with innovative dual mode: switch between high-res 4k 160hz or ultra-fast 1080p 320hz. 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 XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor osd menu navigation can be clunky compared to competitors. 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.