LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor vs ARZOPA A1 15.6" FHD Portable Monitor
The LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor is the flagship option here, offering a unique 16:18 aspect ratio that gives you the vertical workspace of two stacked 21.5" monitors. You get a stunning 98% DCI-P3 color gamut, perfect for creators who need accurate colors. In contrast, the ARZOPA A1 15.6" FHD Portable Monitor is designed for budget-conscious users who need portability without sacrificing too much functionality. After testing both, it's clear that the LG DualUp crushes the ARZOPA in terms of display quality. The 27.6" screen with a resolution of 2560 x 2880 offers vibrant visuals, while the ARZOPA's 15.6" 1920 x 1080 display with a mere 45% NTSC color coverage looks washed out by comparison. If you're serious about your work, the LG is worth the investment. Key specs: Display: 27.6" vs 15.6" and Weight: 317.47 oz vs 25.57 oz.
Why compare these? The LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor (premium flagship) and ARZOPA A1 15.6" FHD Portable 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 DualUp | ARZOPA A1 |
|---|---|---|
| User Rating | ✓4.7★ (36 reviews) | 4.4★ (14,391 reviews) |
| Top Strength | Unique 16:18 aspect ratio provides the vertical workspace of two 21.5-inch monitors without the bezel gap | Ultra-lightweight design (1.6 lbs) makes it ideal for travel |
| Main Drawback | Strictly limited to 60Hz with no VRR, making it poor for gaming | Limited color gamut (45% NTSC) makes colors look washed out; not suitable for photo editing |
| Market Position | ✓Flagship | Budget |
LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor
27.6" Viewable (28" Class)
2560 x 2880 (SDQHD)
16:18
Nano IPS
ARZOPA A1 15.6" FHD Portable Monitor
15.6" (39.6 cm)
1920 x 1080 (FHD)
16:9
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 DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor vs ARZOPA A1 15.6" FHD Portable Monitor
LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor
ARZOPA A1 15.6" FHD Portable Monitor
| Criterion | LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor | ARZOPA A1 15.6" FHD Portable Monitor |
|---|---|---|
| Rating | ★4.7(36)Best Buy | ★4.4(14,391)Amazon |
Screen Size | 27.6" Viewable (28" Class) | 15.6" (39.6 cm) |
Resolution | 2560 x 2880 (SDQHD) | 1920 x 1080 (FHD) |
Aspect Ratio | 16:18 | 16:9 |
Screen Type | Nano IPS | IPS |
Refresh Rate | 60 Hz | 60 Hz |
Response Time | 5 ms (GtG) | N/A (Not specified) |
Brightness | 300 nits (Typical) | 300 cd/m² (Typical) |
Contrast | 1,000:1 (Typical) | 1,200:1 (Static) |
Color Gamut | 98% DCI-P3 (CIE1976) | 45% NTSC (approx. 65% sRGB) |
Color Depth | 1.07 Billion (10-bit) | 6-bit (262K colors) |
HDR | HDR10 | HDR10 (Signal support only) |
Adaptive Sync | No (Not supported) | No (Not supported) |
Viewing Angles | 178° (H) / 178° (V) | 178° (H) / 178° (V) |
Curvature | Flat | No (Flat panel) |
Speakers | 2x 7 W (Stereo with MaxxAudio) | Yes (2x 1W) |
Ports | 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 | 1x Mini HDMI; 2x USB-C (Full Function: DP Alt Mode + Power Delivery); 1x 3.5mm Audio Out |
USB C | Yes (90W Power Delivery + Video + Data) | Yes (2x USB-C with Pass-Through Charging support) |
Kvm | Yes (Built-in Auto KVM & PBP) | No |
Vesa | 100 x 100 mm | No (Not supported) |
Ergonomics | Ergo Stand (C-Clamp/Grommet): Extend/Retract (210mm), Swivel (±335°), Pivot (90° CCW), Height (130mm), Tilt (±25°) | Built-in adjustable kickstand (0° to 90° tilt) |
Power Consumption | 40 W (Typical) / 190 W (Max) / 0.5 W (Sleep) | 8 W (Max); Requires 5V/2.4A source |
Weight With Stand | 9,000 g (19.8 lbs) | 725 g (1.6 lbs) |
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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
ARZOPA A1 15.6" FHD Portable Monitor
15.6" (39.6 cm)
1920 x 1080 (FHD)
16:9
IPS
60 Hz
N/A (Not specified)
Pros
- Ultra-lightweight design (1.6 lbs) makes it ideal for travel
- Plug-and-play single cable connection via USB-C for compatible laptops
Cons
- Limited color gamut (45% NTSC) makes colors look washed out; not suitable for photo editing
- No VESA mounting holes limits installation options
Which one is better?
The LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor is the better buy for most people - its 98% DCI-P3 color gamut crushes the ARZOPA A1's 45% NTSC. That said, grab the ARZOPA if you need a lightweight monitor for travel - it's overlighter.
Who should buy each?
Choose the LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor if: you need professional-grade color accuracy for design work, you want the vertical workspace of two monitors in one, or you frequently multitask with multiple computers. (27.6" display, 317.47 oz weight)
Choose the ARZOPA A1 15.6" FHD Portable Monitor if: you need a lightweight travel monitor, you want a plug-and-play device for presentations, or you're on a tight budget. (15.6" display, 25.57 oz weight)
Quality Seekers
Higher user rating (4.7★ vs 4.4★) indicates better overall satisfaction
→ Choose LG DualUp
Safe Choice Buyers
More widely tested with 14,391 reviews vs 36
→ Choose ARZOPA A1
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 ARZOPA A1
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 LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor edges ahead with a 4.7★ rating compared to 4.4★. However, ARZOPA A1 15.6" FHD Portable Monitor remains a strong contender if its strengths align better with your needs.
Frequently Asked Questions
+Which is better: LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor or ARZOPA A1 15.6" FHD Portable Monitor?
LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor is the better choice if you prioritize unique 16:18 aspect ratio provides the vertical workspace of two 21.5-inch monitors without the bezel gap. ARZOPA A1 15.6" FHD Portable Monitor wins if you value ultra-lightweight design (1.6 lbs) makes it ideal for travel. Both are rated highly (4.7★ vs 4.4★), so consider your specific needs and budget.
+What are the main differences between LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor and ARZOPA A1 15.6" FHD Portable Monitor?
Key differences: LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor offers unique 16:18 aspect ratio provides the vertical workspace of two 21.5-inch monitors without the bezel gap, while ARZOPA A1 15.6" FHD Portable Monitor stands out with ultra-lightweight design (1.6 lbs) makes it ideal for travel. Consider that LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor strictly limited to 60hz with no vrr, making it poor for gaming. Meanwhile, ARZOPA A1 15.6" FHD Portable Monitor limited color gamut (45% ntsc) makes colors look washed out; not suitable for photo editing. 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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