LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor vs KOORUI 24E3 165Hz Gaming Monitor
Time to compare LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor with KOORUI 24E3 165Hz Gaming Monitor. We will cover the essentials so you can buy with confidence.
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LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor

KOORUI 24E3 165Hz Gaming Monitor
Comparison: LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor vs KOORUI 24E3 165Hz Gaming Monitor

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

KOORUI 24E3 165Hz Gaming Monitor
| Criterion | LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor | KOORUI 24E3 165Hz Gaming Monitor |
|---|---|---|
| Rating | ★4.7(36)Best Buy | ★4.3(3,500)Amazon |
Screen Size | 27.6" Viewable (28" Class) | 23.8" Viewable (24" Class) |
Resolution | 2560 x 2880 (SDQHD) | 1920 x 1080 (FHD) |
Aspect Ratio | 16:18 | 16:9 |
Screen Type | Nano IPS | IPS (Fast IPS) |
Refresh Rate | 60 Hz | 165 Hz (via DisplayPort) / 144 Hz (via HDMI) |
Response Time | 5 ms (GtG) | 1 ms (GtG) |
Brightness | 300 nits (Typical) | 250 nits (Typical) |
Contrast | 1,000:1 (Typical) | 1,000:1 (Static) / 20,000,000:1 (Dynamic) |
Color Gamut | 98% DCI-P3 (CIE1976) | 99% sRGB / 72% NTSC |
Color Depth | 1.07 Billion (10-bit) | 16.7M (8-bit) |
HDR | HDR10 | No (Not supported) |
Adaptive Sync | No (Not supported) | AMD FreeSync (G-Sync Compatible) |
Viewing Angles | 178° (H) / 178° (V) | 178° (H) / 178° (V) |
Curvature | Flat | Flat |
Speakers | 2x 7 W (Stereo with MaxxAudio) | No (None) |
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 | 2x HDMI 1.4; 1x DisplayPort 1.2; 1x 3.5mm Audio Out |
USB C | Yes (90W Power Delivery + Video + Data) | No |
Kvm | Yes (Built-in Auto KVM & PBP) | No |
Vesa | 100 x 100 mm | 75 x 75 mm |
Ergonomics | Ergo Stand (C-Clamp/Grommet): Extend/Retract (210mm), Swivel (±335°), Pivot (90° CCW), Height (130mm), Tilt (±25°) | Tilt only (-5° to 20°) |
Power Consumption | 40 W (Typical) / 190 W (Max) / 0.5 W (Sleep) | 30 W (Max) / 0.5 W (Standby) |
Weight With Stand | 9,000 g (19.8 lbs) | 3,060 g (6.75 lbs) |
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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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KOORUI 24E3 165Hz Gaming Monitor
✓ Pros:
- • True Fast IPS panel delivers 1ms response times with vibrant 99% sRGB colors
- • High 165Hz refresh rate (via DisplayPort) for competitive esports gaming
- • Supports AMD FreeSync Premium to eliminate screen tearing
- • Includes both DisplayPort and two HDMI ports for connecting multiple devices
- • VESA 75x75mm mountable, allowing for aftermarket arm upgrades
✗ Cons:
- • Stand ergonomics are poor (Tilt only; no height adjustment)
- • HDMI ports are limited to 144Hz (must use DisplayPort for full 165Hz)
- • No built-in speakers
- • Controls are basic and the OSD menu can be clunky to navigate
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Which one is better?
Overall, LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor delivers better satisfaction. KOORUI 24E3 165Hz Gaming Monitor is still a quality option with specific strengths worth considering.
Who should buy each?
LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor excels at: 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
Watch for: Strictly limited to 60Hz with no VRR, making it poor for gaming
KOORUI 24E3 165Hz Gaming Monitor excels at: True Fast IPS panel delivers 1ms response times with vibrant 99% sRGB colors, High 165Hz refresh rate (via DisplayPort) for competitive esports gaming
Watch for: Stand ergonomics are poor (Tilt only; no height adjustment)
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?
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. KOORUI 24E3 165Hz Gaming Monitor is better if you prioritize true fast ips panel delivers 1ms response times with vibrant 99% srgb colors. 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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