LG 27GL83A-B 27" UltraGear QHD IPS Monitor vs Samsung Odyssey OLED G9 49" Curved Gaming Monitor
Get the Samsung Odyssey OLED G9 49" Curved Gaming Monitor unless you need portability. Its massive 49" screen with a 240Hz refresh rate crushes the LG 27GL83A-B 27" UltraGear QHD IPS Monitor in gaming performance and immersion. In real-world use, the Samsung's 0.03ms response time and QD-OLED tech deliver stunning visuals and fluidity that you'll appreciate in any fast-paced game. Meanwhile, the LG’s 27" form factor is great for desk setups, but its 1ms response time feels sluggish by comparison, especially when you’re used to the ultra-fast refresh of the Odyssey G9.
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LG 27GL83A-B 27" UltraGear QHD IPS 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 27GL83A-B 27" UltraGear QHD IPS Monitor vs Samsung Odyssey OLED G9 49" Curved Gaming Monitor
LG 27GL83A-B 27" UltraGear QHD IPS Monitor
Samsung Odyssey OLED G9 49" Curved Gaming Monitor
| Criterion | LG 27GL83A-B 27" UltraGear QHD IPS Monitor | Samsung Odyssey OLED G9 49" Curved Gaming Monitor |
|---|---|---|
| Rating | ★4.5(13,197)Amazon | ★4.3(1,127)Best Buy |
Screen Size | 27" Viewable (27" Class) | 49" Viewable (49" Class) |
Resolution | 2560 x 1440 (QHD) | 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 | 240 Hz |
Response Time | 1 ms (GtG) | 0.03 ms (GtG) |
Brightness | 350 nits (Typical) / 280 nits (Min) | 250 nits (Typical) / 1,000 nits (Peak HDR 3% Window) |
Contrast | 1,000:1 (Typical) / 700:1 (Min) | 1,000,000:1 (Static) |
Color Gamut | 99% sRGB | 99% DCI-P3 (CIE1976) |
Color Depth | 1.07 Billion (10-bit / 8-bit + FRC) | 1.07 Billion (10-bit) |
HDR | HDR10 (Software support only) | VESA DisplayHDR True Black 400 / HDR10+ Gaming |
Adaptive Sync | NVIDIA G-SYNC Compatible / AMD FreeSync Premium | 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 | 1x DisplayPort 1.4; 2x HDMI 2.0; 1x 3.5mm Headphone 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 | 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 | 51 W (Typical) / 65 W (Max) / 0.5 W (Sleep) | 75 W (Typical) / 220 W (Max) / 0.5 W (Standby) |
Weight With Stand | 6,100 g (13.5 lbs) | 12,900 g (28.4 lbs) |
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LG 27GL83A-B 27" UltraGear QHD IPS Monitor
✓ 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
- • Fully certified 'G-SYNC Compatible' for tear-free gaming on NVIDIA GPUs
- • Ergonomic stand supports portrait mode (Pivot) and height adjustment
- • Excellent motion clarity at 144Hz makes it a top choice for competitive FPS gaming
✗ 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)
- • HDR performance is poor due to low brightness and lack of local dimming
- • Stand lacks swivel adjustment
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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 people - its 240Hz refresh rate and 0.03ms response time crush the LG 27GL83A-B 27". That said, grab the LG if you prefer a compact setup - it's significantly lighter at 215.17 oz compared to the Samsung's 455.03 oz.
Who should buy each?
Choose the LG 27GL83A-B 27" UltraGear QHD IPS Monitor if: you want a 27" display for FPS gaming, need a more affordable option, or prefer a lightweight setup.
Choose the Samsung Odyssey OLED G9 49" Curved Gaming Monitor if: you want an immersive ultrawide gaming experience, value high refresh rates for competitive gaming, or love to stream content directly from your monitor. (49" display, 240 Hz refresh)
Conclusion
With the key differences outlined, the decision should be clearer. Both options deliver quality—choose the one that fits your priorities.
Frequently Asked Questions
+Which has better value?
LG 27GL83A-B 27" UltraGear QHD IPS Monitor excels if you value ideal 27-inch qhd sweet spot delivers sharper text and details than 1080p. 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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