Dell S2721QS 27" 4K UHD IPS Monitor vs Samsung Odyssey OLED G9 49" Curved Gaming Monitor
The Samsung Odyssey OLED G9 49" Curved Gaming Monitor takes the crown with its stunning 240Hz refresh rate compared to the Dell S2721QS 27" 4K UHD IPS Monitor's 60Hz. This difference means smoother gameplay for fast-paced action, making the G9 a game-changer for serious gamers. After testing both, it's clear the G9’s ultra-wide 49" screen with a 5120 x 1440 resolution offers an immersive experience that the Dell can't match. Meanwhile, the Dell’s sharp 4K clarity and ergonomic stand make it a reliable pick for productivity and media consumption, but it falls short in gaming performance, especially for competitive titles where every millisecond counts. Key specs: Display: 27" vs 49" and Refresh: 60 Hz vs 240 Hz.
Why compare these? The Dell S2721QS 27" 4K UHD IPS Monitor (mid-range) 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 | Dell S2721QS | Samsung Odyssey |
|---|---|---|
| User Rating | ✓4.4★ (1,905 reviews) | 4.3★ (1,127 reviews) |
| Top Strength | Razor-sharp 4K resolution (163 PPI) delivers excellent text clarity | Massive 32:9 aspect ratio replaces a dual 27-inch monitor setup with no bezel gap |
| Main Drawback | Limited to 60Hz, making it less suitable for fast-paced gaming | Standard Samsung warranty in the US does NOT explicitly cover OLED burn-in |
| Market Position | Mid-range | ✓Flagship |
Dell S2721QS 27" 4K UHD IPS Monitor
27" Viewable (27" Class)
3840 x 2160 (4K UHD)
16:9
IPS (In-Plane Switching)
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: Dell S2721QS 27" 4K UHD IPS Monitor vs Samsung Odyssey OLED G9 49" Curved Gaming Monitor
Dell S2721QS 27" 4K UHD IPS Monitor
Samsung Odyssey OLED G9 49" Curved Gaming Monitor
| Criterion | Dell S2721QS 27" 4K UHD IPS Monitor | Samsung Odyssey OLED G9 49" Curved Gaming Monitor |
|---|---|---|
| Rating | ★4.4(1,905)Amazon | ★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 | 60 Hz | 240 Hz |
Response Time | 4 ms (Gray-to-Gray Extreme Mode) | 0.03 ms (GtG) |
Brightness | 350 nits (Typical) | 250 nits (Typical) / 1,000 nits (Peak HDR 3% Window) |
Contrast | 1,300:1 (Typical) | 1,000,000:1 (Static) |
Color Gamut | 99% sRGB | 99% DCI-P3 (CIE1976) |
Color Depth | 1.07 Billion (10-bit via 8-bit + FRC) | 1.07 Billion (10-bit) |
HDR | HDR Playback Support (Not VESA Certified) | VESA DisplayHDR True Black 400 / HDR10+ Gaming |
Adaptive Sync | AMD FreeSync (40Hz - 60Hz) | AMD FreeSync Premium Pro / VESA Adaptive-Sync |
Viewing Angles | 178° (H) / 178° (V) | 178° (H) / 178° (V) |
Curvature | Flat | 1800R |
Speakers | 2x 3 W (Stereo) | 2x 5 W (Stereo) |
Ports | 2x HDMI 2.0; 1x DisplayPort 1.2; 1x 3.5mm Audio Line-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), Tilt (-5° to 21°), Swivel (-30° to 30°), Pivot (90°) | Height (120mm), Tilt (-2° to 15°); No Swivel or Pivot |
Power Consumption | 28 W (Typical) / 52 W (Max) / 0.3 W (Standby) | 75 W (Typical) / 220 W (Max) / 0.5 W (Standby) |
Weight With Stand | 6,400 g (14.11 lbs) | 12,900 g (28.4 lbs) |
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Dell S2721QS 27" 4K UHD IPS Monitor
27" Viewable (27" Class)
3840 x 2160 (4K UHD)
16:9
IPS (In-Plane Switching)
60 Hz
4 ms (Gray-to-Gray Extreme Mode)
Pros
- Razor-sharp 4K resolution (163 PPI) delivers excellent text clarity
- Fully adjustable ergonomic stand (Height, Pivot, Swivel, Tilt) included
Cons
- Limited to 60Hz, making it less suitable for fast-paced gaming
- Lacks USB-C connectivity and USB data hub
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 lightning-fast 240Hz refresh rate crushes the Dell’s 60Hz.
Who should buy each?
Choose the Dell S2721QS 27" 4K UHD IPS Monitor if: you need a sharp 4K display for photo editing, appreciate ergonomic adjustments, or want to save money.
Choose the Samsung Odyssey OLED G9 49" Curved Gaming Monitor if: you play competitive games, enjoy watching movies on an ultra-wide screen, or want an immersive dual-monitor setup in one display. (49" display, 240 Hz refresh)
Quality Seekers
Higher user rating (4.4★ vs 4.3★) indicates better overall satisfaction
→ Choose Dell S2721QS
Safe Choice Buyers
More widely tested with 1,905 reviews vs 1,127
→ Choose Dell S2721QS
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 Dell S2721QS
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 Dell S2721QS 27" 4K UHD IPS Monitor edges ahead with a 4.4★ rating compared to 4.3★. However, Samsung Odyssey OLED G9 49" Curved Gaming Monitor remains a strong contender if its strengths align better with your needs.
Frequently Asked Questions
+Which is better: Dell S2721QS 27" 4K UHD IPS Monitor or Samsung Odyssey OLED G9 49" Curved Gaming Monitor?
Dell S2721QS 27" 4K UHD IPS Monitor is the better choice if you prioritize razor-sharp 4k resolution (163 ppi) delivers excellent text clarity. 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 (4.4★ vs 4.3★), so consider your specific needs and budget.
+What are the main differences between Dell S2721QS 27" 4K UHD IPS Monitor and Samsung Odyssey OLED G9 49" Curved Gaming Monitor?
Key differences: Dell S2721QS 27" 4K UHD IPS Monitor offers razor-sharp 4k resolution (163 ppi) delivers excellent text clarity, 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 Dell S2721QS 27" 4K UHD IPS Monitor limited to 60hz, making it less suitable for fast-paced gaming. 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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