LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor vs KOORUI 24E3 165Hz Gaming Monitor
LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor vs KOORUI 24E3 165Hz Gaming Monitor: which is the right fit? We cover performance, value, and use cases to make the call easier.
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LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor

KOORUI 24E3 165Hz Gaming Monitor
Comparison: LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor vs KOORUI 24E3 165Hz Gaming Monitor

LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor

KOORUI 24E3 165Hz Gaming Monitor
| Criterion | LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor | KOORUI 24E3 165Hz Gaming Monitor |
|---|---|---|
| Rating | ★4.5(56)Best Buy | ★4.3(3,500)Amazon |
Screen Size | 27" Viewable (27" Class) | 23.8" Viewable (24" Class) |
Resolution | 3840 x 2160 (4K UHD) | 1920 x 1080 (FHD) |
Aspect Ratio | 16:9 | 16:9 |
Screen Type | IPS (In-Plane Switching) | IPS (Fast IPS) |
Refresh Rate | 144 Hz (via DisplayPort and HDMI 2.1) | 165 Hz (via DisplayPort) / 144 Hz (via HDMI) |
Response Time | 1 ms (GtG Faster) | 1 ms (GtG) |
Brightness | 400 nits (Typical) / 500 nits (HDR Peak) | 250 nits (Typical) |
Contrast | 1,000:1 (Typical) | 1,000:1 (Static) / 20,000,000:1 (Dynamic) |
Color Gamut | 95% DCI-P3 (CIE1976) | 99% sRGB / 72% NTSC |
Color Depth | 1.07 Billion (10-bit) | 16.7M (8-bit) |
HDR | VESA DisplayHDR 400 (HDR10) | No (Not supported) |
Adaptive Sync | AMD FreeSync Premium / NVIDIA G-SYNC Compatible | AMD FreeSync (G-Sync Compatible) |
Viewing Angles | 178° (H) / 178° (V) | 178° (H) / 178° (V) |
Curvature | Flat | Flat |
Speakers | No (None) | No (None) |
Ports | 2x HDMI 2.1; 1x DisplayPort 1.4 (DSC); 1x USB 3.0 Upstream; 2x USB 3.0 Downstream; 1x 4-Pole Headphone Out (DTS Headphone:X) | 2x HDMI 1.4; 1x DisplayPort 1.2; 1x 3.5mm Audio Out |
USB C | No | No |
Kvm | No | No |
Vesa | 100 x 100 mm | 75 x 75 mm |
Ergonomics | Height (110mm), Pivot (90°), Tilt (-5° to 15°); No Swivel | Tilt only (-5° to 20°) |
Power Consumption | 50 W (Typical) / 55 W (Max) / 0.5 W (Sleep) | 30 W (Max) / 0.5 W (Standby) |
Weight With Stand | 6,400 g (14.1 lbs) | 3,060 g (6.75 lbs) |
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LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor
✓ Pros:
- • HDMI 2.1 ports support full 4K at 144Hz (PC) and 120Hz (PS5/Xbox Series X) without chroma subsampling
- • Excellent motion clarity with 1ms GtG response time and official G-SYNC Compatibility
- • High pixel density (163 PPI) delivers razor-sharp text and detailed game textures
- • Wide 95% DCI-P3 color gamut produces rich, saturated colors ideal for gaming
- • 4-Pole Headphone jack supports headsets with microphones and DTS Headphone:X virtual surround
✗ Cons:
- • No USB-C input or built-in KVM switch (unlike Gigabyte M27U/M28U competitors)
- • Contrast is standard for IPS (1,000:1), meaning blacks appear grayish in dark rooms
- • Stand lacks Swivel adjustment (only Height, Tilt, and Pivot)
- • HDR performance is entry-level (DisplayHDR 400) with no local dimming
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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?
Based on ratings and feature balance, KOORUI 24E3 165Hz Gaming Monitor has a slight edge for specific features. LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor remains a strong alternative if its strengths match your needs.
Who should buy each?
Expert take:
- LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor suits buyers who need HDMI 2.1 ports support full 4K at 144Hz (PC) and 120Hz (PS5/Xbox Series X) without chroma subsampling, Excellent motion clarity with 1ms GtG response time and official G-SYNC Compatibility
- KOORUI 24E3 165Hz Gaming Monitor suits buyers who want True Fast IPS panel delivers 1ms response times with vibrant 99% sRGB colors, High 165Hz refresh rate (via DisplayPort) for competitive esports gaming
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 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor excels if you value hdmi 2.1 ports support full 4k at 144hz (pc) and 120hz (ps5/xbox series x) without chroma subsampling. 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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