LG 27GL83A-B 27" UltraGear QHD IPS Monitor vs Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor
The Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor is the better buy for most gamers due to its stunning display quality and ultra-fast response time. With an impressive contrast ratio of 1,000,000:1, it delivers perfect blacks compared to the LG 27GL83A-B's 1000:1. In real-world usage, the Alienware's 165Hz refresh rate makes fast-paced gaming feel incredibly smooth, while the LG's 144Hz is still good but not quite as exhilarating. If you're serious about gaming or content creation in 2026, the upgrade to the Alienware with its 0.1ms response time is worth considering for the ultimate experience. Key specs: Display: 27" vs 34.18" and Refresh: 144 Hz vs 165 Hz.
Why compare these? The LG 27GL83A-B 27" UltraGear QHD IPS Monitor (mid-range) and Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor (premium flagship) 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 | Alienware AW3423DWF |
|---|---|---|
| User Rating | 4.5★ (13,197 reviews) | ✓4.8★ (1,501 reviews) |
| Top Strength | Ideal 27-inch QHD sweet spot delivers sharper text and details than 1080p | QD-OLED panel delivers infinite contrast and perfect blacks with no blooming |
| Main Drawback | Contrast ratio is mediocre (IPS glow is visible in dark rooms; blacks appear gray) | HDMI port is version 2.0, limiting native resolution output to 100Hz (console support varies) |
| Market Position | Mid-range | ✓Flagship |
LG 27GL83A-B 27" UltraGear QHD IPS Monitor
27" Viewable (27" Class)
2560 x 1440 (QHD)
16:9
IPS (In-Plane Switching)
Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor
34.18" Viewable (34" Class)
3440 x 1440 (UWQHD)
21:9
QD-OLED (Quantum Dot OLED)
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 Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor
LG 27GL83A-B 27" UltraGear QHD IPS Monitor
Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor
| Criterion | LG 27GL83A-B 27" UltraGear QHD IPS Monitor | Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor |
|---|---|---|
| Rating | ★4.5(13,197)Amazon | ★4.8(1,501)Best Buy |
Screen Size | 27" Viewable (27" Class) | 34.18" Viewable (34" Class) |
Resolution | 2560 x 1440 (QHD) | 3440 x 1440 (UWQHD) |
Aspect Ratio | 16:9 | 21:9 |
Screen Type | IPS (In-Plane Switching) | QD-OLED (Quantum Dot OLED) |
Refresh Rate | 144 Hz | 165 Hz (via DisplayPort) / 100 Hz (via HDMI 2.0) |
Response Time | 1 ms (GtG) | 0.1 ms (GtG) |
Brightness | 350 nits (Typical) / 280 nits (Min) | 250 nits (Typical SDR) / 1,000 nits (Peak HDR) |
Contrast | 1,000:1 (Typical) / 700:1 (Min) | 1,000,000:1 (Infinite) |
Color Gamut | 99% sRGB | 99.3% DCI-P3 / 149% sRGB |
Color Depth | 1.07 Billion (10-bit / 8-bit + FRC) | 1.07 Billion (10-bit) |
HDR | HDR10 (Software support only) | VESA DisplayHDR True Black 400 (Peak 1000 Mode available) |
Adaptive Sync | NVIDIA G-SYNC Compatible / AMD FreeSync Premium | AMD FreeSync Premium Pro (VRR 48-165Hz) |
Viewing Angles | 178° (H) / 178° (V) | 178° (H) / 178° (V) |
Curvature | Flat | 1800R |
Speakers | No (None) | No (None) |
Ports | 1x DisplayPort 1.4; 2x HDMI 2.0; 1x 3.5mm Headphone Out | 2x DisplayPort 1.4; 1x HDMI 2.0; 1x USB-B Upstream; 4x USB-A Downstream (5 Gbps); 1x Audio Line-out; 1x Headphone 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 (110mm), Swivel (-20° to 20°), Tilt (-5° to 21°), Slant (-5° to 5°) |
Power Consumption | 51 W (Typical) / 65 W (Max) / 0.5 W (Sleep) | 34 W (Typical) / 200 W (Max) / 0.5 W (Standby) |
Weight With Stand | 6,100 g (13.5 lbs) | 9,650 g (21.27 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)
Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor
34.18" Viewable (34" Class)
3440 x 1440 (UWQHD)
21:9
QD-OLED (Quantum Dot OLED)
165 Hz (via DisplayPort) / 100 Hz (via HDMI 2.0)
0.1 ms (GtG)
Pros
- QD-OLED panel delivers infinite contrast and perfect blacks with no blooming
- Instantaneous 0.1ms response time ensures zero motion blur in fast-paced games
Cons
- HDMI port is version 2.0, limiting native resolution output to 100Hz (console support varies)
- Non-standard triangular subpixel layout can cause text fringing (purple/green edges) on text
Which one is better?
The Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor is the better buy for most people - its 0.1ms response time crushes the LG 27GL83A-B's 1ms. That said, grab the LG if you want a more budget-friendly option that still offers a solid gaming experience with vibrant colors.
Who should buy each?
Choose the LG 27GL83A-B 27" UltraGear QHD IPS Monitor if: you want a sharper 27" display for competitive gaming, prefer a more affordable option, or need a monitor for everyday tasks.
Choose the Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor if: you play fast-paced games regularly, enjoy immersive visuals with perfect blacks, or want a monitor that enhances your gaming and media experience. (34.18" display, 165 Hz refresh)
Quality Seekers
Higher user rating (4.8★ vs 4.5★) indicates better overall satisfaction
→ Choose Alienware AW3423DWF
Safe Choice Buyers
More widely tested with 13,197 reviews vs 1,501
→ Choose LG 27GL83A-B
Premium Buyers
Higher-tier option with more premium features and build quality
→ Choose Alienware AW3423DWF
Value Seekers
Better value proposition for buyers who don't need top-tier features
→ Choose LG 27GL83A-B
Conclusion
LG 27GL83A-B 27" UltraGear QHD IPS Monitor and Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor are both solid choices. Match the strengths above to your budget and workflow to make the best call.
Bottom line: The Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor leads with a 4.8★ 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 Alienware AW3423DWF 34" QD-OLED Curved 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. Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor wins if you value qd-oled panel delivers infinite contrast and perfect blacks with no blooming. Both are rated highly (4.5★ vs 4.8★), so consider your specific needs and budget.
+What are the main differences between LG 27GL83A-B 27" UltraGear QHD IPS Monitor and Alienware AW3423DWF 34" QD-OLED Curved 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 Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor stands out with qd-oled panel delivers infinite contrast and perfect blacks with no blooming. 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, Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor hdmi port is version 2.0, limiting native resolution output to 100hz (console support varies). 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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