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2026 comparison
Updated Jan 26, 2026
|Sources: Amazon, Manufacturer

Dell S2721QS 27" 4K UHD IPS Monitor vs SAMSUNG Odyssey G55A 32" Curved WQHD Gaming Monitor

The Dell S2721QS 27" 4K UHD IPS Monitor takes the edge with its stunning 4K resolution, delivering a crisp 3840 x 2160 image. In real-world use, this means you'll enjoy clearer text and images compared to the SAMSUNG Odyssey G55A's 2560 x 1440 resolution, which might not cut it for media editing or photography work. However, if gaming is your focus, the SAMSUNG's 165Hz refresh rate provides buttery smooth gameplay, significantly outpacing the Dell's 60Hz limitation. This makes it a no-brainer for competitive gamers looking for a responsive experience. Key specs: Display: 27" vs 32" and Refresh: 60 Hz vs 165 Hz.

Why compare these? Both the Dell S2721QS 27" 4K UHD IPS Monitor and SAMSUNG Odyssey G55A 32" Curved WQHD Gaming Monitor are mid-range monitors competing in the same market segment. This makes them direct rivals for buyers looking for mid-range features and performance in 2026. Understanding their differences helps you choose the right one for your specific needs.

📱 Display: 27" vs 32"⚡ Refresh: 60 Hz vs 165 Hz⚖️ Weight: 225.75 oz vs 201.06 oz

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Key Differences at a Glance

AspectDell S2721QSSAMSUNG Odyssey
User Rating4.4★ (1,905 reviews)4.4★ (2,537 reviews)
Top StrengthRazor-sharp 4K resolution (163 PPI) delivers excellent text clarityAggressive 1000R curvature matches the human eye's field of view for maximum immersion
Main DrawbackLimited to 60Hz, making it less suitable for fast-paced gamingStand is basic with Tilt-only adjustment (no height or swivel)
Market PositionMid-rangeMid-range
Dell S2721QS 27" 4K UHD IPS Monitor
Screen Size

27" Viewable (27" Class)

Resolution

3840 x 2160 (4K UHD)

Aspect Ratio

16:9

Screen Type

IPS (In-Plane Switching)

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SAMSUNG Odyssey G55A 32" Curved WQHD Gaming Monitor
Screen Size

32" Class (31.5" Viewable)

Resolution

2560 x 1440 (WQHD)

Aspect Ratio

16:9

Screen Type

VA (Vertical Alignment)

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Key spec differences

Only the specs that differ are shown here. Winners are highlighted when the data is clear.

Display11 specs
Screen SizeKey
Dell S2721QS 27" 4K UHD IPS Monitor
27" Viewable (27" Class)
SAMSUNG Odyssey G55A 32" Curved WQHD Gaming Monitor
32" Class (31.5" Viewable)
Winner
ResolutionKey
Dell S2721QS 27" 4K UHD IPS Monitor
3840 x 2160 (4K UHD)
SAMSUNG Odyssey G55A 32" Curved WQHD Gaming Monitor
2560 x 1440 (WQHD)
Panel TypeKey
Dell S2721QS 27" 4K UHD IPS Monitor
IPS (In-Plane Switching)
SAMSUNG Odyssey G55A 32" Curved WQHD Gaming Monitor
VA (Vertical Alignment)
Refresh RateKey
Dell S2721QS 27" 4K UHD IPS Monitor
60 Hz
SAMSUNG Odyssey G55A 32" Curved WQHD Gaming Monitor
165 Hz (via DisplayPort) / 144 Hz (via HDMI)
Winner
Response Time
Dell S2721QS 27" 4K UHD IPS Monitor
4 ms (Gray-to-Gray Extreme Mode)
SAMSUNG Odyssey G55A 32" Curved WQHD Gaming Monitor
1 ms (MPRT)
Brightness
Dell S2721QS 27" 4K UHD IPS Monitor
350 nits (Typical)
SAMSUNG Odyssey G55A 32" Curved WQHD Gaming Monitor
300 nits (Typical) / 200 nits (Min)
Contrast Ratio
Dell S2721QS 27" 4K UHD IPS Monitor
1,300:1 (Typical)
SAMSUNG Odyssey G55A 32" Curved WQHD Gaming Monitor
2,500:1 (Static)
Color Gamut
Dell S2721QS 27" 4K UHD IPS Monitor
99% sRGB
SAMSUNG Odyssey G55A 32" Curved WQHD Gaming Monitor
Not officially specified (Approx. 99% sRGB)
Color Depth
Dell S2721QS 27" 4K UHD IPS Monitor
1.07 Billion (10-bit via 8-bit + FRC)
SAMSUNG Odyssey G55A 32" Curved WQHD Gaming Monitor
16.7M (8-bit)
HDR
Dell S2721QS 27" 4K UHD IPS Monitor
HDR Playback Support (Not VESA Certified)
SAMSUNG Odyssey G55A 32" Curved WQHD Gaming Monitor
HDR10 (Software support)
Curvature
Dell S2721QS 27" 4K UHD IPS Monitor
Flat
SAMSUNG Odyssey G55A 32" Curved WQHD Gaming Monitor
1000R
Gaming1 specs
Adaptive Sync
Dell S2721QS 27" 4K UHD IPS Monitor
AMD FreeSync (40Hz - 60Hz)
SAMSUNG Odyssey G55A 32" Curved WQHD Gaming Monitor
AMD FreeSync Premium
Connectivity1 specs
Ports
Dell S2721QS 27" 4K UHD IPS Monitor
2x HDMI 2.0; 1x DisplayPort 1.2; 1x 3.5mm Audio Line-out
SAMSUNG Odyssey G55A 32" Curved WQHD Gaming Monitor
1x DisplayPort 1.4; 1x HDMI 2.0; 1x 3.5mm Headphone Out; 1x USB (Service only)
Design3 specs
Ergonomics
Dell S2721QS 27" 4K UHD IPS Monitor
Height (110mm), Tilt (-5° to 21°), Swivel (-30° to 30°), Pivot (90°)
SAMSUNG Odyssey G55A 32" Curved WQHD Gaming Monitor
Tilt only (-2° to 18°)
VESA Mount
Dell S2721QS 27" 4K UHD IPS Monitor
100 x 100 mm
SAMSUNG Odyssey G55A 32" Curved WQHD Gaming Monitor
75 x 75 mm
Weight
Dell S2721QS 27" 4K UHD IPS Monitor
6,400 g (14.11 lbs)
SAMSUNG Odyssey G55A 32" Curved WQHD Gaming Monitor
5,700 g (12.57 lbs)
Winner
Audio1 specs
Speakers
Dell S2721QS 27" 4K UHD IPS Monitor
2x 3 W (Stereo)
SAMSUNG Odyssey G55A 32" Curved WQHD Gaming Monitor
No (None)
+

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 G55A 32" Curved WQHD Gaming Monitor

Dell S2721QS 27" 4K UHD IPS Monitor

Dell S2721QS 27" 4K UHD IPS Monitor

4.4(1,905)Amazon
SAMSUNG Odyssey G55A 32" Curved WQHD Gaming Monitor

SAMSUNG Odyssey G55A 32" Curved WQHD Gaming Monitor

4.4(2,537)Amazon
Dell S2721QS 27" 4K UHD IPS Monitor

Dell S2721QS 27" 4K UHD IPS Monitor

4.4(1,905)Amazon
Screen Size

27" Viewable (27" Class)

Resolution

3840 x 2160 (4K UHD)

Aspect Ratio

16:9

Screen Type

IPS (In-Plane Switching)

Refresh Rate

60 Hz

Response Time

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 G55A 32" Curved WQHD Gaming Monitor

SAMSUNG Odyssey G55A 32" Curved WQHD Gaming Monitor

4.4(2,537)Amazon
Screen Size

32" Class (31.5" Viewable)

Resolution

2560 x 1440 (WQHD)

Aspect Ratio

16:9

Screen Type

VA (Vertical Alignment)

Refresh Rate

165 Hz (via DisplayPort) / 144 Hz (via HDMI)

Response Time

1 ms (MPRT)

Pros

  • Aggressive 1000R curvature matches the human eye's field of view for maximum immersion
  • 165Hz refresh rate and 1ms (MPRT) deliver smooth, responsive gameplay

Cons

  • Stand is basic with Tilt-only adjustment (no height or swivel)
  • Brightness (300 nits) is insufficient for a impactful HDR experience

Which one is better?

The SAMSUNG Odyssey G55A 32" Curved WQHD Gaming Monitor is the better buy for most people - its 165Hz refresh rate crushes the Dell's 60Hz. That said, grab the Dell if you prioritize stunning 4K resolution for photography or media consumption - it offers four times the pixel density.

Who should buy each?

Choose the Dell S2721QS 27" 4K UHD IPS Monitor if: you need stunning 4K resolution for detail-oriented tasks, you work with graphics or photography heavily, or you want an ergonomic stand to adjust for long working hours.
Choose the SAMSUNG Odyssey G55A 32" Curved WQHD Gaming Monitor if: you game frequently and need a high refresh rate for competitive play, you enjoy a more immersive curved screen experience, or you prefer deeper blacks with a higher contrast ratio. (32" display, 165 Hz refresh)

A

Razor-sharp 4K resolution Priority

Razor-sharp 4K resolution (163 PPI) delivers excellent text clarity

→ Choose Dell S2721QS

B

Aggressive 1000R curvature Priority

Aggressive 1000R curvature matches the human eye's field of view for maximum immersion

→ Choose SAMSUNG Odyssey

Conclusion

Dell S2721QS 27" 4K UHD IPS Monitor and SAMSUNG Odyssey G55A 32" Curved WQHD Gaming Monitor are both solid choices. Match the strengths above to your budget and workflow to make the best call.

Bottom line: Both products share a 4.4★ rating, making this comparison particularly close. Your decision should come down to which specific features matter most to you.

Frequently Asked Questions

+Which is better: Dell S2721QS 27" 4K UHD IPS Monitor or SAMSUNG Odyssey G55A 32" Curved WQHD 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 G55A 32" Curved WQHD Gaming Monitor wins if you value aggressive 1000r curvature matches the human eye's field of view for maximum immersion. Both are rated highly (4.4★ vs 4.4★), so consider your specific needs and budget.

+What are the main differences between Dell S2721QS 27" 4K UHD IPS Monitor and SAMSUNG Odyssey G55A 32" Curved WQHD 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 G55A 32" Curved WQHD Gaming Monitor stands out with aggressive 1000r curvature matches the human eye's field of view for maximum immersion. Consider that Dell S2721QS 27" 4K UHD IPS Monitor limited to 60hz, making it less suitable for fast-paced gaming. Meanwhile, SAMSUNG Odyssey G55A 32" Curved WQHD Gaming Monitor stand is basic with tilt-only adjustment (no height or swivel). 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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