KOORUI 24E3 165Hz Gaming Monitor vs Samsung Odyssey OLED G9 49" Curved Gaming Monitor
The KOORUI 24E3 165Hz Gaming Monitor is the budget option here, while the Samsung Odyssey OLED G9 49" Curved Gaming Monitor is the flagship model. If you're serious about gaming and want a massive screen, the Samsung's 49 inches and 240Hz refresh rate offer an immersive experience that's hard to beat. In real-world usage, the KOORUI shines for esports with its 165Hz refresh rate and 1ms response time, making it an appealing choice for competitive gamers. However, the Samsung's QD-OLED technology and 240Hz refresh rate take gaming visuals to a whole new level, providing deeper colors and smoother gameplay, especially in fast-paced titles. Key specs: Display: 23.8" vs 49" and Refresh: 165 Hz vs 240 Hz.
Why compare these? The KOORUI 24E3 165Hz Gaming Monitor (budget-friendly) and Samsung Odyssey OLED G9 49" Curved Gaming Monitor (premium flagship) 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 | Samsung Odyssey |
|---|---|---|
| User Rating | 4.3★ (3,500 reviews) | 4.3★ (1,127 reviews) |
| Top Strength | True Fast IPS panel delivers 1ms response times with vibrant 99% sRGB colors | Massive 32:9 aspect ratio replaces a dual 27-inch monitor setup with no bezel gap |
| Main Drawback | Stand ergonomics are poor (Tilt only; no height adjustment) | Standard Samsung warranty in the US does NOT explicitly cover OLED burn-in |
| Market Position | Budget | ✓Flagship |

KOORUI 24E3 165Hz Gaming Monitor
23.8" Viewable (24" Class)
1920 x 1080 (FHD)
16:9
IPS (Fast IPS)

Samsung Odyssey OLED G9 49" Curved Gaming Monitor
49" Viewable (49" Class)
5120 x 1440 (Dual QHD)
32:9
QD-OLED (Quantum Dot OLED)
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 Samsung Odyssey OLED G9 49" Curved Gaming Monitor

KOORUI 24E3 165Hz Gaming Monitor

Samsung Odyssey OLED G9 49" Curved Gaming Monitor
| Criterion | KOORUI 24E3 165Hz Gaming Monitor | Samsung Odyssey OLED G9 49" Curved Gaming Monitor |
|---|---|---|
| Rating | ★4.3(3,500)Amazon | ★4.3(1,127)Best Buy |
Screen Size | 23.8" Viewable (24" Class) | 49" Viewable (49" Class) |
Resolution | 1920 x 1080 (FHD) | 5120 x 1440 (Dual QHD) |
Aspect Ratio | 16:9 | 32:9 |
Screen Type | IPS (Fast IPS) | QD-OLED (Quantum Dot OLED) |
Refresh Rate | 165 Hz (via DisplayPort) / 144 Hz (via HDMI) | 240 Hz |
Response Time | 1 ms (GtG) | 0.03 ms (GtG) |
Brightness | 250 nits (Typical) | 250 nits (Typical) / 1,000 nits (Peak HDR 3% Window) |
Contrast | 1,000:1 (Static) / 20,000,000:1 (Dynamic) | 1,000,000:1 (Static) |
Color Gamut | 99% sRGB / 72% NTSC | 99% DCI-P3 (CIE1976) |
Color Depth | 16.7M (8-bit) | 1.07 Billion (10-bit) |
HDR | No (Not supported) | VESA DisplayHDR True Black 400 / HDR10+ Gaming |
Adaptive Sync | AMD FreeSync (G-Sync Compatible) | AMD FreeSync Premium Pro / VESA Adaptive-Sync |
Viewing Angles | 178° (H) / 178° (V) | 178° (H) / 178° (V) |
Curvature | Flat | 1800R |
Speakers | No (None) | 2x 5 W (Stereo) |
Ports | 2x HDMI 1.4; 1x DisplayPort 1.2; 1x 3.5mm Audio Out | 1x DisplayPort 1.4; 1x HDMI 2.1; 1x Micro HDMI 2.1; 3x USB 3.0 Hub |
USB C | No | No |
Kvm | No | No |
Vesa | 75 x 75 mm | 100 x 100 mm |
Ergonomics | Tilt only (-5° to 20°) | Height (120mm), Tilt (-2° to 15°); No Swivel or Pivot |
Power Consumption | 30 W (Max) / 0.5 W (Standby) | 75 W (Typical) / 220 W (Max) / 0.5 W (Standby) |
Weight With Stand | 3,060 g (6.75 lbs) | 12,900 g (28.4 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)

Samsung Odyssey OLED G9 49" Curved Gaming Monitor
49" Viewable (49" Class)
5120 x 1440 (Dual QHD)
32:9
QD-OLED (Quantum Dot OLED)
240 Hz
0.03 ms (GtG)
Pros
- Massive 32:9 aspect ratio replaces a dual 27-inch monitor setup with no bezel gap
- QD-OLED technology offers superior color saturation and brightness compared to standard WOLEDs
Cons
- Standard Samsung warranty in the US does NOT explicitly cover OLED burn-in
- Micro HDMI 2.1 port requires a specialized cable or adapter (not always included)
Which one is better?
The Samsung Odyssey OLED G9 49" Curved Gaming Monitor is the better buy for most people - its 240Hz refresh rate crushes the KOORUI's 165Hz. That said, grab the KOORUI if you're on a budget or need a smaller setup - it's plenty fast for competitive gaming.
Who should buy each?
Choose the KOORUI 24E3 165Hz Gaming Monitor if: you want a budget-friendly option for esports gaming, need a compact setup, or prefer a straightforward display with high refresh rates. (23.8" display, 165 Hz refresh)
Choose the Samsung Odyssey OLED G9 49" Curved Gaming Monitor if: you want the ultimate immersive gaming experience, love vibrant colors for media consumption, or need a dual-monitor setup without bezels. (49" display, 240 Hz refresh)
Safe Choice Buyers
More widely tested with 3,500 reviews vs 1,127
→ Choose KOORUI 24E3
Premium Buyers
Higher-tier option with more premium features and build quality
→ Choose Samsung Odyssey
Value Seekers
Better value proposition for buyers who don't need top-tier features
→ Choose KOORUI 24E3
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 Samsung Odyssey OLED G9 49" Curved 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. Samsung Odyssey OLED G9 49" Curved Gaming Monitor wins if you value massive 32:9 aspect ratio replaces a dual 27-inch monitor setup with no bezel gap. 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 Samsung Odyssey OLED G9 49" Curved Gaming Monitor?
Key differences: KOORUI 24E3 165Hz Gaming Monitor offers true fast ips panel delivers 1ms response times with vibrant 99% srgb colors, while Samsung Odyssey OLED G9 49" Curved Gaming Monitor stands out with massive 32:9 aspect ratio replaces a dual 27-inch monitor setup with no bezel gap. Consider that KOORUI 24E3 165Hz Gaming Monitor stand ergonomics are poor (tilt only; no height adjustment). Meanwhile, Samsung Odyssey OLED G9 49" Curved Gaming Monitor standard samsung warranty in the us does not explicitly cover oled burn-in. 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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