KOORUI 24E3 165Hz Gaming Monitor vs LG 27GL83A-B 27" UltraGear QHD IPS Monitor
The KOORUI 24E3 165Hz Gaming Monitor is the budget option here, but its 165Hz refresh rate gives it an edge for competitive gaming. In contrast, the LG 27GL83A-B 27" UltraGear QHD IPS Monitor offers a sharper 2560 x 1440 resolution, making it ideal for those who crave detail. In real-world use, the KOORUI's high refresh rate (165Hz) means smoother gameplay, especially in fast-paced titles. However, the LG's larger 27-inch screen and QHD resolution deliver crisper visuals that enhance the overall gaming experience and productivity, making it a worthy investment for serious gamers and creators alike. 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 27GL83A-B 27" UltraGear QHD IPS 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.
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Key Differences at a Glance
| Aspect | KOORUI 24E3 | LG 27GL83A-B |
|---|---|---|
| User Rating | 4.3★ (3,500 reviews) | ✓4.5★ (13,197 reviews) |
| Top Strength | True Fast IPS panel delivers 1ms response times with vibrant 99% sRGB colors | Ideal 27-inch QHD sweet spot delivers sharper text and details than 1080p |
| Main Drawback | Stand ergonomics are poor (Tilt only; no height adjustment) | Contrast ratio is mediocre (IPS glow is visible in dark rooms; blacks appear gray) |
| Market Position | Budget | ✓Mid-range |
KOORUI 24E3 165Hz Gaming Monitor
23.8" Viewable (24" Class)
1920 x 1080 (FHD)
16:9
IPS (Fast IPS)
LG 27GL83A-B 27" UltraGear QHD IPS Monitor
27" Viewable (27" Class)
2560 x 1440 (QHD)
16:9
IPS (In-Plane Switching)
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: KOORUI 24E3 165Hz Gaming Monitor vs LG 27GL83A-B 27" UltraGear QHD IPS Monitor
KOORUI 24E3 165Hz Gaming Monitor
LG 27GL83A-B 27" UltraGear QHD IPS Monitor
| Criterion | KOORUI 24E3 165Hz Gaming Monitor | LG 27GL83A-B 27" UltraGear QHD IPS Monitor |
|---|---|---|
| Rating | ★4.3(3,500)Amazon | ★4.5(13,197)Amazon |
Screen Size | 23.8" Viewable (24" Class) | 27" Viewable (27" Class) |
Resolution | 1920 x 1080 (FHD) | 2560 x 1440 (QHD) |
Aspect Ratio | 16:9 | 16:9 |
Screen Type | IPS (Fast IPS) | IPS (In-Plane Switching) |
Refresh Rate | 165 Hz (via DisplayPort) / 144 Hz (via HDMI) | 144 Hz |
Response Time | 1 ms (GtG) | 1 ms (GtG) |
Brightness | 250 nits (Typical) | 350 nits (Typical) / 280 nits (Min) |
Contrast | 1,000:1 (Static) / 20,000,000:1 (Dynamic) | 1,000:1 (Typical) / 700:1 (Min) |
Color Gamut | 99% sRGB / 72% NTSC | 99% sRGB |
Color Depth | 16.7M (8-bit) | 1.07 Billion (10-bit / 8-bit + FRC) |
HDR | No (Not supported) | HDR10 (Software support only) |
Adaptive Sync | AMD FreeSync (G-Sync Compatible) | NVIDIA G-SYNC Compatible / AMD FreeSync Premium |
Viewing Angles | 178° (H) / 178° (V) | 178° (H) / 178° (V) |
Curvature | Flat | Flat |
Speakers | No (None) | No (None) |
Ports | 2x HDMI 1.4; 1x DisplayPort 1.2; 1x 3.5mm Audio Out | 1x DisplayPort 1.4; 2x HDMI 2.0; 1x 3.5mm Headphone Out |
USB C | No | No |
Kvm | No | No |
Vesa | 75 x 75 mm | 100 x 100 mm |
Ergonomics | Tilt only (-5° to 20°) | Height (110mm), Pivot (90°), Tilt (-5° to 15°); No Swivel |
Power Consumption | 30 W (Max) / 0.5 W (Standby) | 51 W (Typical) / 65 W (Max) / 0.5 W (Sleep) |
Weight With Stand | 3,060 g (6.75 lbs) | 6,100 g (13.5 lbs) |
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KOORUI 24E3 165Hz Gaming Monitor
23.8" Viewable (24" Class)
1920 x 1080 (FHD)
16:9
IPS (Fast IPS)
165 Hz (via DisplayPort) / 144 Hz (via HDMI)
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 27GL83A-B 27" UltraGear QHD IPS Monitor
27" Viewable (27" Class)
2560 x 1440 (QHD)
16:9
IPS (In-Plane Switching)
144 Hz
1 ms (GtG)
Pros
- Ideal 27-inch QHD sweet spot delivers sharper text and details than 1080p
- Fast 1ms IPS panel eliminates motion blur while maintaining vibrant 99% sRGB colors
Cons
- Contrast ratio is mediocre (IPS glow is visible in dark rooms; blacks appear gray)
- Lacks a USB hub and built-in speakers (features found on the pricier '850' model)
Which one is better?
The LG 27GL83A-B 27" UltraGear QHD IPS Monitor is the better buy for most people - its 2560 x 1440 resolution crushes the KOORUI's 1920 x 1080. That said, grab the KOORUI if you want a budget option with a faster 165Hz refresh rate - it's perfect for esports enthusiasts.
Who should buy each?
Choose the KOORUI 24E3 165Hz Gaming Monitor if: you want a budget-friendly option for high-speed gaming, prefer a lightweight monitor, or need a display for casual use. (23.8" display, 165 Hz refresh)
Choose the LG 27GL83A-B 27" UltraGear QHD IPS Monitor if: you need a high-resolution screen for detailed work, want better color accuracy for photography, or play single-player games where visuals matter more. (27" display, 144 Hz refresh)
Quality Seekers
Higher user rating (4.5★ vs 4.3★) indicates better overall satisfaction
→ Choose LG 27GL83A-B
Safe Choice Buyers
More widely tested with 13,197 reviews vs 3,500
→ Choose LG 27GL83A-B
Premium Buyers
Higher-tier option with more premium features and build quality
→ Choose LG 27GL83A-B
Value Seekers
Better value proposition for buyers who don't need top-tier features
→ Choose KOORUI 24E3
Conclusion
With the key differences outlined, the decision should be clearer. Both options deliver quality—choose the one that fits your priorities.
Bottom line: The LG 27GL83A-B 27" UltraGear QHD IPS Monitor leads with a 4.5★ rating versus 4.3★. That said, KOORUI 24E3 165Hz Gaming Monitor could still be the right pick depending on your specific priorities.
Frequently Asked Questions
+Which is better: KOORUI 24E3 165Hz Gaming Monitor or LG 27GL83A-B 27" UltraGear QHD IPS 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 27GL83A-B 27" UltraGear QHD IPS Monitor wins if you value ideal 27-inch qhd sweet spot delivers sharper text and details than 1080p. Both are rated highly (4.3★ vs 4.5★), so consider your specific needs and budget.
+What are the main differences between KOORUI 24E3 165Hz Gaming Monitor and LG 27GL83A-B 27" UltraGear QHD IPS Monitor?
Key differences: KOORUI 24E3 165Hz Gaming Monitor offers true fast ips panel delivers 1ms response times with vibrant 99% srgb colors, while LG 27GL83A-B 27" UltraGear QHD IPS Monitor stands out with ideal 27-inch qhd sweet spot delivers sharper text and details than 1080p. Consider that KOORUI 24E3 165Hz Gaming Monitor stand ergonomics are poor (tilt only; no height adjustment). Meanwhile, LG 27GL83A-B 27" UltraGear QHD IPS Monitor contrast ratio is mediocre (ips glow is visible in dark rooms; blacks appear gray). 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.
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