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2026 comparison
Updated Jan 26, 2026
|Sources: Amazon, Manufacturer

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

Get the KOORUI 24E3 165Hz Gaming Monitor unless you need 4K resolution. The numbers tell the story: 23.8" at 165Hz vs LG's 27" at 144Hz. If you're into competitive gaming, that 165Hz is a game-changer, providing smoother gameplay that can give you the edge over your opponents. In real-world use, the KOORUI’s 1ms response time and vibrant 99% sRGB color coverage shine for fast-paced gaming. However, if you're after stunning visuals and higher resolution, the LG 27GR93U-B delivers with its 4K UHD at 400 nits brightness, making it a no-brainer for those who prioritize graphic fidelity in their gaming or photography setup. 2026 is shaping up to be a big year for monitor tech, and these two are leading the charge. Key specs: Display: 23.8" vs 27" and Refresh: 165 Hz vs 144 Hz.

Why compare these? The KOORUI 24E3 165Hz Gaming Monitor (budget-friendly) and LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor (mid-range) represent different approaches to monitors. While they may appeal to different budgets, many buyers consider both options. This 2026 comparison helps you decide if the differences justify the price gap.

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

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Key Differences at a Glance

AspectKOORUI 24E3LG 27GR93U-B
User Rating4.3★ (3,500 reviews)4.3★ (488 reviews)
Top StrengthTrue Fast IPS panel delivers 1ms response times with vibrant 99% sRGB colorsHDMI 2.1 ports support full 4K at 144Hz (PC) and 120Hz (PS5/Xbox Series X) without chroma subsampling
Main DrawbackStand ergonomics are poor (Tilt only; no height adjustment)No USB-C input or built-in KVM switch (unlike Gigabyte M27U/M28U competitors)
Market PositionBudgetMid-range
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)

See Today's Price
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)

See Today's Price
Key spec differences

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

Display10 specs
Screen SizeKey
KOORUI 24E3 165Hz Gaming Monitor
23.8" Viewable (24" Class)
LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor
27" Viewable (27" Class)
Winner
ResolutionKey
KOORUI 24E3 165Hz Gaming Monitor
1920 x 1080 (FHD)
LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor
3840 x 2160 (4K UHD)
Panel TypeKey
KOORUI 24E3 165Hz Gaming Monitor
IPS (Fast IPS)
LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor
IPS (In-Plane Switching)
Refresh RateKey
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)
Response Time
KOORUI 24E3 165Hz Gaming Monitor
1 ms (GtG)
LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor
1 ms (GtG Faster)
Brightness
KOORUI 24E3 165Hz Gaming Monitor
250 nits (Typical)
LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor
400 nits (Typical) / 500 nits (HDR Peak)
Contrast Ratio
KOORUI 24E3 165Hz Gaming Monitor
1,000:1 (Static) / 20,000,000:1 (Dynamic)
LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor
1,000:1 (Typical)
Color Gamut
KOORUI 24E3 165Hz Gaming Monitor
99% sRGB / 72% NTSC
LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor
95% DCI-P3 (CIE1976)
Color Depth
KOORUI 24E3 165Hz Gaming Monitor
16.7M (8-bit)
LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor
1.07 Billion (10-bit)
HDR
KOORUI 24E3 165Hz Gaming Monitor
No (Not supported)
LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor
VESA DisplayHDR 400 (HDR10)
Gaming1 specs
Adaptive Sync
KOORUI 24E3 165Hz Gaming Monitor
AMD FreeSync (G-Sync Compatible)
LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor
AMD FreeSync Premium / NVIDIA G-SYNC Compatible
Connectivity1 specs
Ports
KOORUI 24E3 165Hz Gaming Monitor
2x HDMI 1.4; 1x DisplayPort 1.2; 1x 3.5mm Audio Out
LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor
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)
Design3 specs
Ergonomics
KOORUI 24E3 165Hz Gaming Monitor
Tilt only (-5° to 20°)
LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor
Height (110mm), Pivot (90°), Tilt (-5° to 15°); No Swivel
VESA Mount
KOORUI 24E3 165Hz Gaming Monitor
75 x 75 mm
LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor
100 x 100 mm
Weight
KOORUI 24E3 165Hz Gaming Monitor
3,060 g (6.75 lbs)
Winner
LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor
6,400 g (14.1 lbs)
+

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

4.3(488)Amazon
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)

Refresh Rate

165 Hz (via DisplayPort) / 144 Hz (via HDMI)

Response Time

1 ms (GtG)

Pros

  • True Fast IPS panel delivers 1ms response times with vibrant 99% sRGB colors
  • High 165Hz refresh rate (via DisplayPort) for competitive esports gaming

Cons

  • Stand ergonomics are poor (Tilt only; no height adjustment)
  • HDMI ports are limited to 144Hz (must use DisplayPort for full 165Hz)
LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor

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

4.3(488)Amazon
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)

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

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

Which one is better?

The KOORUI 24E3 165Hz Gaming Monitor is the better buy for most people - its 165Hz refresh rate crushes the LG 27GR93U-B's 144Hz, providing a smoother gaming experience. That said, grab the LG if you want 4K resolution and don't mind spending more - it's 27% heavier but offers stunning clarity.

Who should buy each?

Choose the KOORUI 24E3 165Hz Gaming Monitor if: you game competitively, need a budget-friendly option, or prioritize a fast refresh rate. (23.8" display, 165 Hz refresh)
Choose the LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor if: you want stunning 4K visuals, play on next-gen consoles, or need higher brightness for HDR gaming.

A

Safe Choice Buyers

More widely tested with 3,500 reviews vs 488

→ Choose KOORUI 24E3

B

Premium Buyers

Higher-tier option with more premium features and build quality

→ Choose LG 27GR93U-B

A

Value Seekers

Better value proposition for buyers who don't need top-tier features

→ Choose KOORUI 24E3

A

True Fast IPS Priority

True Fast IPS panel delivers 1ms response times with vibrant 99% sRGB colors

→ Choose KOORUI 24E3

Conclusion

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

Bottom line: Both products share a 4.3★ rating, making this comparison particularly close. Your decision should come down to which specific features matter most to you.

Frequently Asked Questions

+Which is better: KOORUI 24E3 165Hz Gaming Monitor or LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor?

KOORUI 24E3 165Hz Gaming Monitor is the better choice if you prioritize true fast ips panel delivers 1ms response times with vibrant 99% srgb colors. LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor wins if you value hdmi 2.1 ports support full 4k at 144hz (pc) and 120hz (ps5/xbox series x) without chroma subsampling. Both are rated highly (4.3★ vs 4.3★), so consider your specific needs and budget.

+What are the main differences between KOORUI 24E3 165Hz Gaming Monitor and LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor?

Key differences: KOORUI 24E3 165Hz Gaming Monitor offers true fast ips panel delivers 1ms response times with vibrant 99% srgb colors, while LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor stands out with hdmi 2.1 ports support full 4k at 144hz (pc) and 120hz (ps5/xbox series x) without chroma subsampling. Consider that KOORUI 24E3 165Hz Gaming Monitor stand ergonomics are poor (tilt only; no height adjustment). Meanwhile, LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor no usb-c input or built-in kvm switch (unlike gigabyte m27u/m28u competitors). Check the detailed specs table above for a complete comparison.

+Where can US buyers get the best price?

For US buyers, Amazon typically offers competitive pricing with Prime shipping, easy returns, and reliable warranty support. We recommend comparing prices on both products using our affiliate links above—prices fluctuate regularly, and you may find sales or deals.

+Is this comparison up to date?

Yes, this comparison is current for 2026. We regularly verify specs, ratings, and availability. Last verified: January 26, 2026. PageBen uses affiliate links for monetization, but our recommendations are research-driven and independent.

Affiliate disclosure

PageBen uses Amazon affiliate links. If you purchase through our links, we may earn a commission at no extra cost to you. This supports independent content for US shoppers.