Samsung Odyssey OLED G9 49" Curved Gaming Monitor vs ASUS ProArt Display PA278QV 27" WQHD Monitor
When it comes to high-performance monitors, the Samsung Odyssey OLED G9 49" Curved Gaming Monitor is the flagship option, offering an impressive 240Hz refresh rate and a stunning 5120 x 1440 resolution. In contrast, the ASUS ProArt Display PA278QV 27" WQHD Monitor is designed for creative professionals with a focus on color accuracy. The key difference here is the display size and refresh rate: 49 inches and 240Hz for the Samsung vs 27 inches and 75Hz for the ASUS. If you're serious about gaming or immersive experiences, the Samsung’s massive screen and lightning-fast specs are hard to beat. But if you need something more budget-friendly, the ASUS excels in color accuracy and compatibility with older systems, making it a solid option for creatives.
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Samsung Odyssey OLED G9 49" Curved Gaming Monitor

ASUS ProArt Display PA278QV 27" WQHD 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: Samsung Odyssey OLED G9 49" Curved Gaming Monitor vs ASUS ProArt Display PA278QV 27" WQHD Monitor

Samsung Odyssey OLED G9 49" Curved Gaming Monitor

ASUS ProArt Display PA278QV 27" WQHD Monitor
| Criterion | Samsung Odyssey OLED G9 49" Curved Gaming Monitor | ASUS ProArt Display PA278QV 27" WQHD Monitor |
|---|---|---|
| Rating | ★4.3(1,127)Best Buy | ★4.7(4,200)Amazon |
Screen Size | 49" Viewable (49" Class) | 27" Viewable (27" Class) |
Resolution | 5120 x 1440 (Dual QHD) | 2560 x 1440 (WQHD) |
Aspect Ratio | 32:9 | 16:9 |
Screen Type | QD-OLED (Quantum Dot OLED) | IPS (In-Plane Switching) |
Refresh Rate | 240 Hz | 75 Hz |
Response Time | 0.03 ms (GtG) | 5 ms (GtG) |
Brightness | 250 nits (Typical) / 1,000 nits (Peak HDR 3% Window) | 350 nits (Typical) |
Contrast | 1,000,000:1 (Static) | 1,000:1 (Typical) |
Color Gamut | 99% DCI-P3 (CIE1976) | 100% sRGB / 100% Rec. 709 |
Color Depth | 1.07 Billion (10-bit) | 16.7M (8-bit) |
HDR | VESA DisplayHDR True Black 400 / HDR10+ Gaming | No (Not supported) |
Adaptive Sync | AMD FreeSync Premium Pro / VESA Adaptive-Sync | Adaptive-Sync (48Hz - 75Hz range) |
Viewing Angles | 178° (H) / 178° (V) | 178° (H) / 178° (V) |
Curvature | 1800R | Flat |
Speakers | 2x 5 W (Stereo) | 2x 2 W (Stereo) |
Ports | 1x DisplayPort 1.4; 1x HDMI 2.1; 1x Micro HDMI 2.1; 3x USB 3.0 Hub | 1x Mini DisplayPort 1.2; 1x DisplayPort 1.2; 1x HDMI 1.4; 1x Dual-Link DVI-D; 4x USB 3.0 Downstream; 1x USB-B Upstream; 1x 3.5mm Audio In; 1x 3.5mm Headphone Out |
USB C | No | No |
Kvm | No | No |
Vesa | 100 x 100 mm | 100 x 100 mm |
Ergonomics | Height (120mm), Tilt (-2° to 15°); No Swivel or Pivot | Height (150mm), Swivel (-90° to 90°), Pivot (90°), Tilt (-5° to 35°) |
Power Consumption | 75 W (Typical) / 220 W (Max) / 0.5 W (Standby) | 18.6 W (Typical) / 0.5 W (Standby) |
Weight With Stand | 12,900 g (28.4 lbs) | 7,720 g (17.02 lbs) |
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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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ASUS ProArt Display PA278QV 27" WQHD Monitor
✓ Pros:
- • Factory calibrated and Calman Verified for excellent color accuracy (Delta E < 2) out of the box
- • Rare inclusion of legacy ports (Mini DisplayPort and DVI-D) maximizes compatibility with older workstations
- • Fully ergonomic stand supports generous height, tilt, swivel, and bidirectional pivot adjustments
- • 75Hz refresh rate with Adaptive-Sync provides a smoother experience than standard 60Hz office monitors
- • Features a 4-port USB 3.0 hub for connecting peripherals directly to the monitor
✗ Cons:
- • Lacks USB-C connectivity for single-cable laptop docking (found on the pricier 'CV' model)
- • No HDR support
- • Standard contrast ratio (1,000:1) means blacks can appear grayish in dark rooms
- • Bezels are slightly thicker than modern 'frameless' competitors
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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 massive 49" screen and 240Hz refresh rate crushes the ASUS ProArt Display PA278QV 27" WQHD Monitor. That said, grab the ASUS if you need excellent color accuracy and a lighter setup - it's lighter and more affordable.
Who should buy each?
Choose the Samsung Odyssey OLED G9 49" Curved Gaming Monitor if: you want an ultra-wide 49" display for immersive gaming, require a high refresh rate of 240Hz for competitive play, or enjoy watching HDR content with stunning color saturation.
Choose the ASUS ProArt Display PA278QV 27" WQHD Monitor if: you prioritize exceptional color accuracy for creative work, need a compact monitor for limited desk space, or prefer a more budget-friendly option with legacy port support. (27" display, 75 Hz refresh)
Conclusion
Samsung Odyssey OLED G9 49" Curved Gaming Monitor and ASUS ProArt Display PA278QV 27" WQHD Monitor are both solid choices. Match the strengths above to your budget and workflow to make the best call.
Frequently Asked Questions
+Which has better value?
Samsung Odyssey OLED G9 49" Curved Gaming Monitor excels if you value massive 32:9 aspect ratio replaces a dual 27-inch monitor setup with no bezel gap. ASUS ProArt Display PA278QV 27" WQHD Monitor is better if you prioritize factory calibrated and calman verified for excellent color accuracy (delta e < 2) out of the box. Pick based on your budget and daily use.
+Is this an independent review?
Yes. We use affiliate links for monetization, but recommendations are research-driven and unbiased.
+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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