LG 27GL83A-B 27" UltraGear QHD IPS Monitor vs LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor
The LG 27GL83A-B 27" UltraGear QHD IPS Monitor is the mid-range option that excels in gaming with its 144Hz refresh rate and 1ms response time. In contrast, the LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor offers an innovative design aimed at productivity, boasting a unique 16:18 aspect ratio for enhanced vertical workspace. After comparing both, the choice boils down to whether you prioritize high-speed gaming or versatile multitasking features in 2026. Key specs: Display: 27" vs 27.6" and Refresh: 144 Hz vs 60 Hz.
Why compare these? The LG 27GL83A-B 27" UltraGear QHD IPS Monitor (mid-range) and LG DualUp 28MQ780-B 27.6" 16:18 Ergo 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 | LG DualUp |
|---|---|---|
| User Rating | 4.5★ (13,197 reviews) | ✓4.7★ (36 reviews) |
| Top Strength | Ideal 27-inch QHD sweet spot delivers sharper text and details than 1080p | Unique 16:18 aspect ratio provides the vertical workspace of two 21.5-inch monitors without the bezel gap |
| Main Drawback | Contrast ratio is mediocre (IPS glow is visible in dark rooms; blacks appear gray) | Strictly limited to 60Hz with no VRR, making it poor for gaming |
| 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)
LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor
27.6" Viewable (28" Class)
2560 x 2880 (SDQHD)
16:18
Nano IPS
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 LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor
LG 27GL83A-B 27" UltraGear QHD IPS Monitor
LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor
| Criterion | LG 27GL83A-B 27" UltraGear QHD IPS Monitor | LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor |
|---|---|---|
| Rating | ★4.5(13,197)Amazon | ★4.7(36)Best Buy |
Screen Size | 27" Viewable (27" Class) | 27.6" Viewable (28" Class) |
Resolution | 2560 x 1440 (QHD) | 2560 x 2880 (SDQHD) |
Aspect Ratio | 16:9 | 16:18 |
Screen Type | IPS (In-Plane Switching) | Nano IPS |
Refresh Rate | 144 Hz | 60 Hz |
Response Time | 1 ms (GtG) | 5 ms (GtG) |
Brightness | 350 nits (Typical) / 280 nits (Min) | 300 nits (Typical) |
Contrast | 1,000:1 (Typical) / 700:1 (Min) | 1,000:1 (Typical) |
Color Gamut | 99% sRGB | 98% DCI-P3 (CIE1976) |
Color Depth | 1.07 Billion (10-bit / 8-bit + FRC) | 1.07 Billion (10-bit) |
HDR | HDR10 (Software support only) | HDR10 |
Adaptive Sync | NVIDIA G-SYNC Compatible / AMD FreeSync Premium | No (Not supported) |
Viewing Angles | 178° (H) / 178° (V) | 178° (H) / 178° (V) |
Curvature | Flat | Flat |
Speakers | No (None) | 2x 7 W (Stereo with MaxxAudio) |
Ports | 1x DisplayPort 1.4; 2x HDMI 2.0; 1x 3.5mm Headphone Out | 2x HDMI 2.0; 1x DisplayPort 1.4; 1x USB-C (90W PD, Data, Video); 2x USB-A 3.0 Downstream; 1x USB-B 2.0 Upstream; 1x 3.5mm Headphone Out |
USB C | No | Yes (90W Power Delivery + Video + Data) |
Kvm | No | Yes (Built-in Auto KVM & PBP) |
Vesa | 100 x 100 mm | 100 x 100 mm |
Ergonomics | Height (110mm), Pivot (90°), Tilt (-5° to 15°); No Swivel | Ergo Stand (C-Clamp/Grommet): Extend/Retract (210mm), Swivel (±335°), Pivot (90° CCW), Height (130mm), Tilt (±25°) |
Power Consumption | 51 W (Typical) / 65 W (Max) / 0.5 W (Sleep) | 40 W (Typical) / 190 W (Max) / 0.5 W (Sleep) |
Weight With Stand | 6,100 g (13.5 lbs) | 9,000 g (19.8 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)
LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor
27.6" Viewable (28" Class)
2560 x 2880 (SDQHD)
16:18
Nano IPS
60 Hz
5 ms (GtG)
Pros
- Unique 16:18 aspect ratio provides the vertical workspace of two 21.5-inch monitors without the bezel gap
- Nano IPS panel covers 98% DCI-P3, offering professional-grade color accuracy for creators
Cons
- Strictly limited to 60Hz with no VRR, making it poor for gaming
- Unconventional aspect ratio (2560x2880) may require scaling tweaks in macOS/Windows
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 LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor. That said, grab the DualUp if you need that extra vertical real estate for productivity - it's designed for professionals who need to view multiple documents simultaneously.
Who should buy each?
Choose the LG 27GL83A-B 27" UltraGear QHD IPS Monitor if: you play competitive games, need a fast response time, or want vibrant colors for gaming. (27" display, 144 Hz refresh)
Choose the LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor if: you work on creative projects, require dual-screen functionality without the gap, or use USB-C for charging laptops. (27.6" display, 60 Hz refresh)
Quality Seekers
Higher user rating (4.7★ vs 4.5★) indicates better overall satisfaction
→ Choose LG DualUp
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 DualUp
Value Seekers
Better value proposition for buyers who don't need top-tier features
→ Choose LG 27GL83A-B
Conclusion
With the key differences outlined, the decision should be clearer. Both options deliver quality—choose the one that fits your priorities.
Bottom line: The LG DualUp 28MQ780-B 27.6" 16:18 Ergo 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 LG DualUp 28MQ780-B 27.6" 16:18 Ergo 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. LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor wins if you value unique 16:18 aspect ratio provides the vertical workspace of two 21.5-inch monitors without the bezel gap. 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 LG DualUp 28MQ780-B 27.6" 16:18 Ergo 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 LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor stands out with unique 16:18 aspect ratio provides the vertical workspace of two 21.5-inch monitors without the bezel gap. 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, LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor strictly limited to 60hz with no vrr, making it poor for gaming. 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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