Samsung Odyssey OLED G9 49" Curved Gaming Monitor vs ASUS ProArt Display PA278QV 27" WQHD Monitor
When comparing the Samsung Odyssey OLED G9 49" Curved Gaming Monitor and the ASUS ProArt Display PA278QV 27" WQHD Monitor, the winner is clear: the Samsung Odyssey OLED G9. Its massive 49" screen and 240Hz refresh rate make it a gaming powerhouse, far surpassing the 27" size and 75Hz of the ASUS model. In real-world use, the Samsung's 1,000 nits peak brightness delivers stunning visuals, perfect for immersive gaming sessions. Meanwhile, the ASUS ProArt excels in color accuracy with its factory calibration, but its 350 nits brightness can feel limiting when compared to the vibrant display of the G9. If you're serious about gaming, the G9 is worth the investment. Key specs: Display: 49" vs 27" and Refresh: 240 Hz vs 75 Hz.
Why compare these? The Samsung Odyssey OLED G9 49" Curved Gaming Monitor (premium flagship) and ASUS ProArt Display PA278QV 27" WQHD 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 | Samsung Odyssey | ASUS ProArt |
|---|---|---|
| User Rating | 4.3★ (1,127 reviews) | ✓4.4★ (3,104 reviews) |
| Top Strength | Massive 32:9 aspect ratio replaces a dual 27-inch monitor setup with no bezel gap | Factory calibrated and Calman Verified for excellent color accuracy (Delta E < 2) out of the box |
| Main Drawback | Standard Samsung warranty in the US does NOT explicitly cover OLED burn-in | Lacks USB-C connectivity for single-cable laptop docking (found on the pricier 'CV' model) |
| Market Position | ✓Flagship | Entry |

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

ASUS ProArt Display PA278QV 27" WQHD Monitor
27" Viewable (27" Class)
2560 x 1440 (WQHD)
16:9
IPS (In-Plane Switching)
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 | ★4.4(3,104)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
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)

ASUS ProArt Display PA278QV 27" WQHD Monitor
27" Viewable (27" Class)
2560 x 1440 (WQHD)
16:9
IPS (In-Plane Switching)
75 Hz
5 ms (GtG)
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
Cons
- Lacks USB-C connectivity for single-cable laptop docking (found on the pricier 'CV' model)
- No HDR support
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 ASUS ProArt's 75Hz.
Who should buy each?
Choose the Samsung Odyssey OLED G9 49" Curved Gaming Monitor if: you want an ultra-wide experience with a massive 49" screen, prioritize high refresh rates for gaming, or enjoy vibrant HDR content.
Choose the ASUS ProArt Display PA278QV 27" WQHD Monitor if: you require excellent color accuracy for photo editing, need legacy port compatibility for older devices, or prefer a more budget-friendly option. (27" display, 75 Hz refresh)
Quality Seekers
Higher user rating (4.4★ vs 4.3★) indicates better overall satisfaction
→ Choose ASUS ProArt
Safe Choice Buyers
More widely tested with 3,104 reviews vs 1,127
→ Choose ASUS ProArt
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 ASUS ProArt
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: The ASUS ProArt Display PA278QV 27" WQHD Monitor leads with a 4.4★ rating versus 4.3★. That said, Samsung Odyssey OLED G9 49" Curved Gaming Monitor could still be the right pick depending on your specific priorities.
Frequently Asked Questions
+Which is better: Samsung Odyssey OLED G9 49" Curved Gaming Monitor or ASUS ProArt Display PA278QV 27" WQHD Monitor?
Samsung Odyssey OLED G9 49" Curved Gaming Monitor is the better choice if you prioritize massive 32:9 aspect ratio replaces a dual 27-inch monitor setup with no bezel gap. ASUS ProArt Display PA278QV 27" WQHD Monitor wins if you value factory calibrated and calman verified for excellent color accuracy (delta e < 2) out of the box. Both are rated highly (4.3★ vs 4.4★), so consider your specific needs and budget.
+What are the main differences between Samsung Odyssey OLED G9 49" Curved Gaming Monitor and ASUS ProArt Display PA278QV 27" WQHD Monitor?
Key differences: Samsung Odyssey OLED G9 49" Curved Gaming Monitor offers massive 32:9 aspect ratio replaces a dual 27-inch monitor setup with no bezel gap, while ASUS ProArt Display PA278QV 27" WQHD Monitor stands out with factory calibrated and calman verified for excellent color accuracy (delta e < 2) out of the box. Consider that Samsung Odyssey OLED G9 49" Curved Gaming Monitor standard samsung warranty in the us does not explicitly cover oled burn-in. Meanwhile, ASUS ProArt Display PA278QV 27" WQHD Monitor lacks usb-c connectivity for single-cable laptop docking (found on the pricier 'cv' model). 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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