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

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

Get the LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor unless you want to save money. The numbers: 3840 x 2160 resolution vs 1920 x 1080 makes a huge difference in clarity for gaming and content creation. In real-world use, that 400 nits of brightness means you'll see vibrant colors and details even in bright rooms, while the KOORUI 24E3 165Hz Gaming Monitor's 250 nits can struggle.

📱 Display: 23.8" vs 27"⚡ Refresh: 165 Hz vs 144 Hz⚖️ Weight: 107.94 oz vs 225.75 oz

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KOORUI 24E3 165Hz Gaming Monitor

KOORUI 24E3 165Hz Gaming Monitor

4.3
(3,500)Amazon
Screen Size:23.8" Viewable (24" Class)
Resolution:1920 x 1080 (FHD)
Aspect Ratio:16:9
Screen Type:IPS (Fast IPS)
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LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor
Screen Size:27" Viewable (27" Class)
Resolution:3840 x 2160 (4K UHD)
Aspect Ratio:16:9
Screen Type:IPS (In-Plane Switching)
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Key spec differences

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

Display2 specs
Refresh Rate
KOORUI 24E3 165Hz Gaming Monitor
165 Hz (via DisplayPort) / 144 Hz (via HDMI)Winner
LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor
144 Hz (via DisplayPort and HDMI 2.1)
Resolution
KOORUI 24E3 165Hz Gaming Monitor
1920 x 1080 (FHD)
LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor
3840 x 2160 (4K UHD)
+

Full specs, pros, and cons

Everything side-by-side with ratings and the full spec list.

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

KOORUI 24E3 165Hz Gaming Monitor

KOORUI 24E3 165Hz Gaming Monitor

4.3(3,500)Amazon
LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor

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

4.5(56)Best Buy
KOORUI 24E3 165Hz Gaming Monitor

KOORUI 24E3 165Hz Gaming Monitor

Rating:4.3(3,500)Amazon
Screen Size:23.8" Viewable (24" Class)
Resolution:1920 x 1080 (FHD)
Aspect Ratio:16:9
Screen Type:IPS (Fast IPS)
Refresh Rate:165 Hz (via DisplayPort) / 144 Hz (via HDMI)
Response Time:1 ms (GtG)
Brightness:250 nits (Typical)
Contrast:1,000:1 (Static) / 20,000,000:1 (Dynamic)
Color Gamut:99% sRGB / 72% NTSC
Color Depth:16.7M (8-bit)
HDR:No (Not supported)
Adaptive Sync:AMD FreeSync (G-Sync Compatible)
Viewing Angles:178° (H) / 178° (V)
Curvature:Flat
Speakers:No (None)
Ports:2x HDMI 1.4; 1x DisplayPort 1.2; 1x 3.5mm Audio Out
USB C:No
Kvm:No
Vesa:75 x 75 mm
Ergonomics:Tilt only (-5° to 20°)
Power Consumption:30 W (Max) / 0.5 W (Standby)
Weight With Stand:3,060 g (6.75 lbs)

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

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

Rating:4.5(56)Best Buy
Screen Size:27" Viewable (27" Class)
Resolution:3840 x 2160 (4K UHD)
Aspect Ratio:16:9
Screen Type:IPS (In-Plane Switching)
Refresh Rate:144 Hz (via DisplayPort and HDMI 2.1)
Response Time:1 ms (GtG Faster)
Brightness:400 nits (Typical) / 500 nits (HDR Peak)
Contrast:1,000:1 (Typical)
Color Gamut:95% DCI-P3 (CIE1976)
Color Depth:1.07 Billion (10-bit)
HDR:VESA DisplayHDR 400 (HDR10)
Adaptive Sync:AMD FreeSync Premium / NVIDIA G-SYNC Compatible
Viewing Angles:178° (H) / 178° (V)
Curvature:Flat
Speakers: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)
USB C:No
Kvm:No
Vesa:100 x 100 mm
Ergonomics:Height (110mm), Pivot (90°), Tilt (-5° to 15°); No Swivel
Power Consumption:50 W (Typical) / 55 W (Max) / 0.5 W (Sleep)
Weight With Stand:6,400 g (14.1 lbs)

✓ 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

As an Amazon Associate I earn from qualifying purchases.

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Which one is better?

The LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor is the better buy for most people - its 3840 x 2160 resolution crushes the KOORUI 24E3 165Hz Gaming Monitor.

Who should buy each?

Choose the KOORUI 24E3 165Hz Gaming Monitor if: you want a budget-friendly option for esports gaming, enjoy fast-paced titles at 165Hz, or need a monitor that fits smaller spaces.
Choose the LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor if: you crave stunning 4K visuals, play on next-gen consoles like PS5 or Xbox Series X, or need vibrant color accuracy for creative work.

Conclusion

There is no wrong answer here. Focus on the features you will use daily and pick the model that aligns with them.

Frequently Asked Questions

+Which has better value?

KOORUI 24E3 165Hz Gaming Monitor excels if you value true fast ips panel delivers 1ms response times with vibrant 99% srgb colors. LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor is better if you prioritize hdmi 2.1 ports support full 4k at 144hz (pc) and 120hz (ps5/xbox series x) without chroma subsampling. 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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