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Dell S2725QS vs Dell UltraSharp U2725QE

Side-by-side comparison of viewing distance, PPI, and specifications

Dell S2725QS

27" · 3840×2160 · IPS
Optimal Viewing Distance 54cm
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Dell UltraSharp U2725QE

27" · 3840×2160 · IPS
Optimal Viewing Distance 54cm
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Category Ranking

Pixel Density (PPI)67in category
Dell S2725QS163 PPI #20
Dell UltraSharp U2725QE163 PPI #20
93 PPI224 PPI
HDR Peak Brightness67in category
Dell S2725QS350 nits #61
Dell UltraSharp U2725QE600 nits #22
250 nits2000 nits
DCI-P3 Color Gamut63in category
Dell S2725QS95% #48
Dell UltraSharp U2725QE99% #2
79%100%
Refresh Rate
Dell S2725QS120 Hz
Dell UltraSharp U2725QE120 Hz
StandardHighUltra

Summary

  • Sharpness: identical — Both screens are retina at 65cm with identical pixel density (163 PPI). No difference in sharpness.
  • Brightness: advantage Dell UltraSharp U2725QE — The Dell UltraSharp U2725QE is 71% brighter in SDR (600 vs 350 nits), a noticeable difference for outdoor readability. HDR peak: 600 vs 350 nits.

Key Differences

Specification Dell S2725QS Dell UltraSharp U2725QE
SDR Brightness 350 nits 600 nits
HDR Peak Brightness 350 nits 600 nits
Contrast Ratio 1:1,500 1:3,000
Color Gamut sRGB 99% · DCI-P3 95% sRGB 100% · DCI-P3 99% · Adobe RGB 94%
All specifications
Specification Dell S2725QS 2025 Dell UltraSharp U2725QE 2025
Screen Size 27" 27"
Resolution 3840×2160 3840×2160
Pixel Density (PPI) 163 163
Optimal Viewing Distance 54cm 54cm
Panel Type IPS IPS
Viewing Angle 178° 178°
Aspect Ratio 16:9 16:9
Refresh Rate 120 Hz 120 Hz
Variable Refresh Rate (VRR) FreeSync Premium None
Response Time 5 ms GTG 5 ms GTG
HDR Certification None DisplayHDR 600
SDR Brightness 350 nits 600 nits (Better)
HDR Peak Brightness 350 nits 600 nits (Better)
Contrast Ratio 1:1,500 1:3,000 (Better)
Ports 2x HDMI · 1x DP 1x HDMI · 1x DP · USB-C · USB Hub
USB-C Power Delivery 140 W
Color Gamut sRGB 99% · DCI-P3 95% sRGB 100% · DCI-P3 99% · Adobe RGB 94% (Better)
Year 2025 2025

Frequently Asked Questions

Which has better PPI: Dell S2725QS or Dell UltraSharp U2725QE?
Both have 163 PPI.
Which has a closer optimal viewing distance?
Both require 54cm for retina quality.
Methodology & Sources

Formula: Retina distance (cm) = 3438 / PPI. Displayed values are rounded for readability.

Sources: Official manufacturer spec sheets and product pages. Specs are normalized before comparisons.

Comparison winners are calculated metric by metric (higher is better for most specs; lower is better for distance/response time).

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