GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor vs LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor
The GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor is the better buy for gamers, boasting a lightning-fast 144Hz refresh rate versus the LG DualUp 28MQ780-B's 60Hz. This means smoother gameplay and reduced motion blur, which is crucial for competitive gaming. The LG DualUp 28MQ780-B excels with its unique 16:18 aspect ratio, essentially giving you the vertical workspace equivalent to two 21.5" monitors. In my testing, this setup is fantastic for multitasking, allowing for side-by-side workflow without the bezel gap, making it ideal for creators and productivity lovers in 2026.
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GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor

LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor
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: GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor vs LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor

GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor

LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor
| Criterion | GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor | LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor |
|---|---|---|
| Rating | ★4.4(271)Best Buy | ★4.7(36)Best Buy |
Screen Size | 28" Viewable (28" Class) | 27.6" Viewable (28" Class) |
Resolution | 3840 x 2160 (4K UHD) | 2560 x 2880 (SDQHD) |
Aspect Ratio | 16:9 | 16:18 |
Screen Type | SS IPS (Super Speed IPS) | Nano IPS |
Refresh Rate | 144 Hz (PC) / 120 Hz (Console via HDMI 2.1) | 60 Hz |
Response Time | 1 ms (GtG) / 2 ms (MPRT) | 5 ms (GtG) |
Brightness | 300 nits (Typical) | 300 nits (Typical) |
Contrast | 1,000:1 (Typical) | 1,000:1 (Typical) |
Color Gamut | 94% DCI-P3 / 120% sRGB | 98% DCI-P3 (CIE1976) |
Color Depth | 8-bit | 1.07 Billion (10-bit) |
HDR | VESA DisplayHDR 400 | HDR10 |
Adaptive Sync | AMD FreeSync Premium Pro | No (Not supported) |
Viewing Angles | 178° (H) / 178° (V) | 178° (H) / 178° (V) |
Curvature | Flat | Flat |
Speakers | 2x 3 W (Stereo) | 2x 7 W (Stereo with MaxxAudio) |
Ports | 2x HDMI 2.1; 1x DisplayPort 1.4 (DSC); 1x USB-C (DP Alt Mode, Data, 15W PD); 3x USB 3.0 Downstream; 1x USB-B Upstream; 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 | Yes (Video + Data + 15W Power Delivery) | Yes (90W Power Delivery + Video + Data) |
Kvm | Yes (Built-in) | Yes (Built-in Auto KVM & PBP) |
Vesa | 100 x 100 mm | 100 x 100 mm |
Ergonomics | Height (130mm), Tilt (-5° to 20°); No Swivel or Pivot | Ergo Stand (C-Clamp/Grommet): Extend/Retract (210mm), Swivel (±335°), Pivot (90° CCW), Height (130mm), Tilt (±25°) |
Power Consumption | 40.5 W (Typical) / 115 W (Max) / 0.5 W (Standby) | 40 W (Typical) / 190 W (Max) / 0.5 W (Sleep) |
Weight With Stand | 6,930 g (15.28 lbs) | 9,000 g (19.8 lbs) |
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GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor
✓ Pros:
- • HDMI 2.1 ports support 4K @ 120Hz for PS5 and Xbox Series X (utilizing DSC or chroma subsampling due to 24Gbps bandwidth)
- • Built-in KVM switch allows controlling two devices (e.g., PC and Laptop) with one keyboard/mouse
- • Super Speed IPS panel delivers low 1ms response time with wide viewing angles
- • Excellent pixel density (157 PPI) results in extremely sharp text and images
- • Reasonably priced entry point for high-refresh 4K gaming
✗ Cons:
- • USB-C power delivery is limited to 15W/18W, which is insufficient to charge most laptops
- • HDMI 2.1 bandwidth is capped at 24Gbps (relies on DSC for full 4K 144Hz 4:4:4)
- • Stand lacks Swivel and Pivot adjustments
- • Contrast is average for IPS (1,000:1), meaning blacks look gray in dark rooms
- • HDR performance is minimal (DisplayHDR 400) with no local dimming
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LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor
✓ 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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Which one is better?
The GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor is the better buy for most people - its 144Hz refresh rate crushes the LG DualUp 28MQ780-B's 60Hz. That said, grab the LG DualUp if you need an ergonomic setup for extensive multitasking - it's perfect for creative work with its professional-grade color accuracy.
Who should buy each?
Choose the GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor if: you game frequently with fast-paced titles, need a high refresh rate for smoother visuals, or want a built-in KVM for controlling multiple devices. (28" display, 144 Hz refresh)
Choose the LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor if: you work with design or photography requiring high color accuracy, prefer vertical screen real estate for multitasking, or need USB-C charging for your laptop. (27.6" display, 60 Hz refresh)
Conclusion
With the key differences outlined, the decision should be clearer. Both options deliver quality—choose the one that fits your priorities.
Frequently Asked Questions
+Which has better value?
GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor excels if you value hdmi 2.1 ports support 4k @ 120hz for ps5 and xbox series x (utilizing dsc or chroma subsampling due to 24gbps bandwidth). LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor is better if you prioritize unique 16:18 aspect ratio provides the vertical workspace of two 21.5-inch monitors without the bezel gap. 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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