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 crushes the Dell S2721QS 27" 4K UHD IPS Monitor in gaming performance with a staggering 240Hz refresh rate compared to Dell's 60Hz. This means ultra-smooth gameplay, perfect for competitive gaming enthusiasts. After testing both monitors, I found Samsung's massive 49" screen and incredible QD-OLED technology deliver vibrant colors and stunning detail, making it a powerhouse for both gaming and media consumption. Meanwhile, the Dell S2721QS shines with its sharp 4K resolution, but its limited refresh rate and lack of USB-C connectivity might leave some users wanting more in 2026.
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Dell S2721QS 27" 4K UHD 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: 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 | ★4.9(24)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 | 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
✓ Pros:
- • Razor-sharp 4K resolution (163 PPI) delivers excellent text clarity
- • Fully adjustable ergonomic stand (Height, Pivot, Swivel, Tilt) included
- • High 1,300:1 contrast ratio is better than the standard 1,000:1 found on most IPS panels
- • Modern design with ultra-thin bezels on three sides and a textured silver back
- • Supports Picture-by-Picture (PBP) and Picture-in-Picture (PIP) for multitasking
✗ Cons:
- • Limited to 60Hz, making it less suitable for fast-paced gaming
- • Lacks USB-C connectivity and USB data hub
- • HDR support is software-based 'playback' only; lacks local dimming for true HDR
- • Response time overdrive (Extreme mode) can cause inverse ghosting artifacts
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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 lightning-fast 240Hz refresh rate crushes the Dell S2721QS's 60Hz.
Who should buy each?
Choose the Dell S2721QS 27" 4K UHD IPS Monitor if: you want razor-sharp 4K for photo editing, need a fully adjustable stand for ergonomic use, or are on a budget.
Choose the Samsung Odyssey OLED G9 49" Curved Gaming Monitor if: you crave an immersive gaming experience, enjoy watching movies on a massive screen, or need incredible color accuracy for design work. (49" display, 240 Hz refresh)
Conclusion
Dell S2721QS 27" 4K UHD IPS Monitor and Samsung Odyssey OLED G9 49" Curved Gaming 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?
Dell S2721QS 27" 4K UHD IPS Monitor excels if you value razor-sharp 4k resolution (163 ppi) delivers excellent text clarity. 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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Check release timelines from the manufacturers and compare pricing before you buy. We refresh this page when major updates land.
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