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2026 comparison
Updated Jan 6, 2026
|Sources: Amazon, Manufacturer

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 crushes the ARZOPA A1 15.6" FHD Portable Monitor when it comes to display quality: 2560x2880 vs 1920x1080. This flagship monitor offers a unique 16:18 aspect ratio, providing the workspace equivalent to two 21.5" monitors stacked without the annoying bezel gap. In real-world use, the LG's 98% DCI-P3 color gamut delivers vibrant, accurate colors that creators will love, especially compared to the ARZOPA's washed-out 45% NTSC. If you're looking for a portable solution, the ARZOPA is lightweight at just 1.6 lbs, making it a breeze to carry around, but its performance falls short for serious tasks like photo editing or gaming.

📱 Display: 27.6" vs 15.6"⚖️ Weight: 317.47 oz vs 25.57 oz🎨 Color Gamut: 98% DCI-P3 vs 45% NTSC

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LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor
Screen Size:27.6" Viewable (28" Class)
Resolution:2560 x 2880 (SDQHD)
Aspect Ratio:16:18
Screen Type:Nano IPS
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ARZOPA A1 15.6" FHD Portable Monitor
Screen Size:15.6" (39.6 cm)
Resolution:1920 x 1080 (FHD)
Aspect Ratio:16:9
Screen Type:IPS
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Key spec differences

Only the specs that differ are shown here. Winners are highlighted when the data is clear.

Display1 specs
Resolution
LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor
2560 x 2880 (SDQHD)
ARZOPA A1 15.6" FHD Portable Monitor
1920 x 1080 (FHD)
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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

LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor

4.7(36)Best Buy
ARZOPA A1 15.6" FHD Portable Monitor

ARZOPA A1 15.6" FHD Portable Monitor

4.4(14,391)Amazon
LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor

LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor

Rating:4.7(36)Best Buy
Screen Size:27.6" Viewable (28" Class)
Resolution:2560 x 2880 (SDQHD)
Aspect Ratio:16:18
Screen Type:Nano IPS
Refresh Rate:60 Hz
Response Time:5 ms (GtG)
Brightness:300 nits (Typical)
Contrast:1,000:1 (Typical)
Color Gamut:98% DCI-P3 (CIE1976)
Color Depth:1.07 Billion (10-bit)
HDR:HDR10
Adaptive Sync:No (Not supported)
Viewing Angles:178° (H) / 178° (V)
Curvature:Flat
Speakers:2x 7 W (Stereo with MaxxAudio)
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
USB C:Yes (90W Power Delivery + Video + Data)
Kvm:Yes (Built-in Auto KVM & PBP)
Vesa:100 x 100 mm
Ergonomics:Ergo Stand (C-Clamp/Grommet): Extend/Retract (210mm), Swivel (±335°), Pivot (90° CCW), Height (130mm), Tilt (±25°)
Power Consumption:40 W (Typical) / 190 W (Max) / 0.5 W (Sleep)
Weight With Stand:9,000 g (19.8 lbs)

✓ 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
  • Included Ergo Stand allows for extreme flexibility and frees up desk space (C-Clamp mount)
  • USB-C connectivity delivers up to 90W charging, handling powerful MacBook Pros and Windows laptops
  • Built-in KVM and Picture-by-Picture (PBP) allow you to view and control two computers simultaneously

✗ Cons:

  • Strictly limited to 60Hz with no VRR, making it poor for gaming
  • Unconventional aspect ratio (2560x2880) may require scaling tweaks in macOS/Windows
  • Setup is heavy and requires a sturdy desk edge for the C-Clamp
  • Upstream USB-B port is limited to USB 2.0 speeds (though USB-C supports 3.0)

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ARZOPA A1 15.6" FHD Portable Monitor

ARZOPA A1 15.6" FHD Portable Monitor

Rating:4.4(14,391)Amazon
Screen Size:15.6" (39.6 cm)
Resolution:1920 x 1080 (FHD)
Aspect Ratio:16:9
Screen Type:IPS
Refresh Rate:60 Hz
Response Time:N/A (Not specified)
Brightness:300 cd/m² (Typical)
Contrast:1,200:1 (Static)
Color Gamut:45% NTSC (approx. 65% sRGB)
Color Depth:6-bit (262K colors)
HDR:HDR10 (Signal support only)
Adaptive Sync:No (Not supported)
Viewing Angles:178° (H) / 178° (V)
Curvature:No (Flat panel)
Speakers:Yes (2x 1W)
Ports:1x Mini HDMI; 2x USB-C (Full Function: DP Alt Mode + Power Delivery); 1x 3.5mm Audio Out
USB C:Yes (2x USB-C with Pass-Through Charging support)
Kvm:No
Vesa:No (Not supported)
Ergonomics:Built-in adjustable kickstand (0° to 90° tilt)
Power Consumption:8 W (Max); Requires 5V/2.4A source
Weight With Stand:725 g (1.6 lbs)

✓ Pros:

  • Ultra-lightweight design (1.6 lbs) makes it ideal for travel
  • Plug-and-play single cable connection via USB-C for compatible laptops
  • Includes necessary cables (USB-C to USB-C, Mini HDMI to HDMI, USB-A to USB-C)
  • Built-in kickstand offers decent stability without needing a separate cover
  • Pass-through charging allows you to power the monitor and charge a connected device simultaneously

✗ Cons:

  • Limited color gamut (45% NTSC) makes colors look washed out; not suitable for photo editing
  • No VESA mounting holes limits installation options
  • Brightness (300 nits) is sufficient for indoors but struggles in direct sunlight
  • Lacks a built-in battery; must draw power from the connected device or wall adapter
  • 6-bit color depth can result in visible color banding in gradients

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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 accuracy crushes the ARZOPA A1's 45% NTSC. That said, grab the ARZOPA A1 if you need something ultra-portable and lighter at just 1.6 lbs.

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, want a larger display for multitasking, or require a versatile workstation setup. (27.6" display, 317.47 oz weight)
Choose the ARZOPA A1 15.6" FHD Portable Monitor if: you need an ultra-light option for travel, want plug-and-play functionality, or prefer a budget-friendly display for casual use. (15.6" display, 25.57 oz weight)

Conclusion

We hope this comparison helps you buy with confidence. Both products are dependable; the right one depends on how you will use it.

Frequently Asked Questions

+Which has better value?

LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor excels if you value 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 is better if you prioritize ultra-lightweight design (1.6 lbs) makes it ideal for travel. Pick based on your budget and daily use.

+Is this an independent review?

Yes. We use affiliate links for monetization, but recommendations are research-driven and unbiased.

+Do newer models exist?

Check release timelines from the manufacturers and compare pricing before you buy. We refresh this page when major updates land.

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