LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor vs Samsung Odyssey OLED G9 49" Curved Gaming Monitor
For most gamers, the Samsung Odyssey OLED G9 49" Curved Gaming Monitor is the better buy due to its insane 240Hz refresh rate and 0.03ms response time that deliver a buttery-smooth experience. In real-world use, that refresh rate means you’ll enjoy faster frame rates and less motion blur, which is crucial for fast-paced gaming and competitive play. The LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor excels with its HDMI 2.1 ports, allowing full 4K at 144Hz without any chroma subsampling. However, its standard brightness of 400 nits falls short against the Samsung's peak brightness of 1000 nits, which enhances HDR gaming and immersive visuals.
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LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor
Samsung Odyssey OLED G9 49" Curved Gaming Monitor
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: LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor vs Samsung Odyssey OLED G9 49" Curved Gaming Monitor
LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor
Samsung Odyssey OLED G9 49" Curved Gaming Monitor
| Criterion | LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor | Samsung Odyssey OLED G9 49" Curved Gaming Monitor |
|---|---|---|
| Rating | ★4.5(56)Best Buy | ★4.3(1,127)Best Buy |
Screen Size | 27" Viewable (27" Class) | 49" Viewable (49" Class) |
Resolution | 3840 x 2160 (4K UHD) | 5120 x 1440 (Dual QHD) |
Aspect Ratio | 16:9 | 32:9 |
Screen Type | IPS (In-Plane Switching) | QD-OLED (Quantum Dot OLED) |
Refresh Rate | 144 Hz (via DisplayPort and HDMI 2.1) | 240 Hz |
Response Time | 1 ms (GtG Faster) | 0.03 ms (GtG) |
Brightness | 400 nits (Typical) / 500 nits (HDR Peak) | 250 nits (Typical) / 1,000 nits (Peak HDR 3% Window) |
Contrast | 1,000:1 (Typical) | 1,000,000:1 (Static) |
Color Gamut | 95% DCI-P3 (CIE1976) | 99% DCI-P3 (CIE1976) |
Color Depth | 1.07 Billion (10-bit) | 1.07 Billion (10-bit) |
HDR | VESA DisplayHDR 400 (HDR10) | VESA DisplayHDR True Black 400 / HDR10+ Gaming |
Adaptive Sync | AMD FreeSync Premium / NVIDIA 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 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) | 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 | 100 x 100 mm | 100 x 100 mm |
Ergonomics | Height (110mm), Pivot (90°), Tilt (-5° to 15°); No Swivel | Height (120mm), Tilt (-2° to 15°); No Swivel or Pivot |
Power Consumption | 50 W (Typical) / 55 W (Max) / 0.5 W (Sleep) | 75 W (Typical) / 220 W (Max) / 0.5 W (Standby) |
Weight With Stand | 6,400 g (14.1 lbs) | 12,900 g (28.4 lbs) |
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LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor
✓ 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
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Samsung Odyssey OLED G9 49" Curved Gaming Monitor
✓ 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
- • Built-in Tizen Smart OS allows streaming (Netflix, YouTube) and cloud gaming without a PC
- • Includes a remote control for easy navigation of settings and smart apps
- • Lightning-fast 240Hz refresh rate and 0.03ms response time for ghosting-free gaming
✗ 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)
- • Text clarity is slightly impacted by the triangular subpixel layout (though improved over Gen 1)
- • Stand is quite deep and lacks swivel adjustment
- • Aggressive ABL (Auto Brightness Limiter) can dim the screen during productivity work
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Which one is better?
The Samsung Odyssey OLED G9 49" Curved Gaming Monitor is the better buy for most gamers - its staggering 240Hz refresh rate and 0.03ms response time crush the LG 27GR93U-B 27" UltraGear.
Who should buy each?
Choose the LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor if: you prefer a 27" display for limited desk space, you play on consoles requiring HDMI 2.1, or you want a high pixel density for detailed textures.
Choose the Samsung Odyssey OLED G9 49" Curved Gaming Monitor if: you want an immersive ultrawide experience, you prioritize ultra-fast refresh rates for competitive gaming, or you enjoy HDR content with vibrant colors. (49" display, 240 Hz refresh)
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?
LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor excels if you value hdmi 2.1 ports support full 4k at 144hz (pc) and 120hz (ps5/xbox series x) without chroma subsampling. Samsung Odyssey OLED G9 49" Curved Gaming Monitor is better if you prioritize massive 32:9 aspect ratio replaces a dual 27-inch monitor setup with no bezel gap. Pick based on your budget and daily use.
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+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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