KOORUI 24E3 165Hz Gaming Monitor vs Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor
The KOORUI 24E3 165Hz Gaming Monitor is the budget option here, ideal for gamers seeking performance without breaking the bank. With a high refresh rate of 165Hz and rapid 1ms response time, it excels in competitive gaming, making it a no-brainer for esports enthusiasts. However, if you're after stunning visuals, the Acer Nitro XV275K P5's 27-inch 4K display and Mini-LED backlight deliver unmatched clarity and brightness at 600 nits, perfect for immersive gaming and content creation. Key specs: Display: 23.8" vs 27" and Refresh: 165 Hz vs 320 Hz.
Why compare these? The KOORUI 24E3 165Hz Gaming Monitor (budget-friendly) and Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor (entry-level) 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 | Acer Nitro |
|---|---|---|
| User Rating | ✓4.3★ (3,500 reviews) | 3.6★ (36 reviews) |
| Top Strength | True Fast IPS panel delivers 1ms response times with vibrant 99% sRGB colors | Innovative Dual Mode: Switch between high-res 4K 160Hz or ultra-fast 1080p 320Hz |
| Main Drawback | Stand ergonomics are poor (Tilt only; no height adjustment) | OSD menu navigation can be clunky compared to competitors |
| Market Position | Budget | ✓Entry |
KOORUI 24E3 165Hz Gaming Monitor
23.8" Viewable (24" Class)
1920 x 1080 (FHD)
16:9
IPS (Fast IPS)
27" (68.6 cm)
3840 x 2160 (4K UHD)
16:9
IPS (Mini-LED backlight)
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 Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor
KOORUI 24E3 165Hz Gaming Monitor
Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor
| Criterion | KOORUI 24E3 165Hz Gaming Monitor | Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor |
|---|---|---|
| Rating | ★4.3(3,500)Amazon | ★3.6(36)Amazon |
Screen Size | 23.8" Viewable (24" Class) | 27" (68.6 cm) |
Resolution | 1920 x 1080 (FHD) | 3840 x 2160 (4K UHD) |
Aspect Ratio | 16:9 | 16:9 |
Screen Type | IPS (Fast IPS) | IPS (Mini-LED backlight) |
Refresh Rate | 165 Hz (via DisplayPort) / 144 Hz (via HDMI) | 160 Hz (4K); 320 Hz (1080p via DFR Dual Mode) |
Response Time | 1 ms (GtG) | 1 ms (GtG) |
Brightness | 250 nits (Typical) | 600 cd/m² (Typical); 1000 cd/m² (HDR Peak) |
Contrast | 1,000:1 (Static) / 20,000,000:1 (Dynamic) | 1,000:1 (Native); 100,000,000:1 (ACM Dynamic) |
Color Gamut | 99% sRGB / 72% NTSC | 99% AdobeRGB; 95% DCI-P3 |
Color Depth | 16.7M (8-bit) | 10-bit (8-bit + FRC) |
HDR | No (Not supported) | VESA DisplayHDR 1000 (HDR10) |
Adaptive Sync | AMD FreeSync (G-Sync Compatible) | AMD FreeSync Premium |
Viewing Angles | 178° (H) / 178° (V) | 178° (H) / 178° (V) |
Curvature | Flat | No (Flat panel) |
Speakers | No (None) | Yes (2x 3W) |
Ports | 2x HDMI 1.4; 1x DisplayPort 1.2; 1x 3.5mm Audio Out | 2x HDMI 2.1; 1x DisplayPort 1.4; 1x USB-C (DP Alt Mode, 90W PD); 2x USB-A 3.0 (Downstream); 1x USB-B (Upstream); 1x 3.5mm Audio Out |
USB C | No | Yes (DP Alt Mode, Data, 90W Power Delivery) |
Kvm | No | Yes (Built-in KVM switch) |
Vesa | 75 x 75 mm | 75 x 75 mm |
Ergonomics | Tilt only (-5° to 20°) | Tilt (-5° to 25°); Swivel (±25°); Height adj. (150 mm); Pivot (±90°) |
Power Consumption | 30 W (Max) / 0.5 W (Standby) | 35 W (Standard); 230 W (Max with USB-C charging) |
Weight With Stand | 3,060 g (6.75 lbs) | 6,720 g (14.82 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)
Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor
27" (68.6 cm)
3840 x 2160 (4K UHD)
16:9
IPS (Mini-LED backlight)
160 Hz (4K); 320 Hz (1080p via DFR Dual Mode)
1 ms (GtG)
Pros
- Innovative Dual Mode: Switch between high-res 4K 160Hz or ultra-fast 1080p 320Hz
- Mini-LED backlight with 576 local dimming zones delivers deep blacks and high brightness
Cons
- OSD menu navigation can be clunky compared to competitors
- Local dimming (576 zones) may show slight blooming compared to higher-tier 1000+ zone panels
Which one is better?
The Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor is the better buy for most people - its stunning 4K resolution and 600 nits of brightness crush the KOORUI 24E3.
Who should buy each?
Choose the KOORUI 24E3 165Hz Gaming Monitor if: you want a budget-friendly option for competitive gaming, need a fast refresh rate, or prefer a lightweight monitor for easy setup. (23.8" display, 165 Hz refresh)
Choose the Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor if: you desire stunning 4K visuals, need versatile display modes for gaming and content creation, or want a fully adjustable ergonomic stand for comfort.
Quality Seekers
Higher user rating (4.3★ vs 3.6★) indicates better overall satisfaction
→ Choose KOORUI 24E3
Safe Choice Buyers
More widely tested with 3,500 reviews vs 36
→ Choose KOORUI 24E3
Premium Buyers
Higher-tier option with more premium features and build quality
→ Choose Acer Nitro
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 KOORUI 24E3 165Hz Gaming Monitor edges ahead with a 4.3★ rating compared to 3.6★. However, Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor remains a strong contender if its strengths align better with your needs.
Frequently Asked Questions
+Which is better: KOORUI 24E3 165Hz Gaming Monitor or Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode 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. Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor wins if you value innovative dual mode: switch between high-res 4k 160hz or ultra-fast 1080p 320hz. Both are rated highly (4.3★ vs 3.6★), so consider your specific needs and budget.
+What are the main differences between KOORUI 24E3 165Hz Gaming Monitor and Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor?
Key differences: KOORUI 24E3 165Hz Gaming Monitor offers true fast ips panel delivers 1ms response times with vibrant 99% srgb colors, while Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor stands out with innovative dual mode: switch between high-res 4k 160hz or ultra-fast 1080p 320hz. Consider that KOORUI 24E3 165Hz Gaming Monitor stand ergonomics are poor (tilt only; no height adjustment). Meanwhile, Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor osd menu navigation can be clunky compared to 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.
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