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Dell S2725DS vs Dell U2724D 27"

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

Dell S2725DS

27" · 2560×1440 · IPS
Optimal Viewing Distance 80cm
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Dell U2724D 27"

27" · 2560×1440 · IPS
Optimal Viewing Distance 80cm
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Category Ranking

Pixel Density (PPI)67in category
Dell S2725DS109 PPI #55
Dell U2724D 27"109 PPI #55
93 PPI224 PPI
HDR Peak Brightness67in category
Dell S2725DS350 nits #61
Dell U2724D 27"600 nits #22
250 nits2000 nits
DCI-P3 Color Gamut63in category
Dell S2725DS79% #63
Dell U2724D 27"98% #31
79%100%
Refresh Rate
Dell S2725DS100 Hz
Dell U2724D 27"120 Hz
StandardHighUltra

Summary

  • Sharpness: advantage Dell U2724D 27" — Neither screen reaches retina quality at 65cm. The Dell U2724D 27" gets there at 80cm vs 80cm for the Dell S2725DS.
  • Brightness: advantage Dell U2724D 27" — Similar SDR brightness (350 vs 350 nits), but the Dell U2724D 27" leads in HDR peak (600 vs 350 nits).
  • Upgrade: Dell S2725DS vs Dell U2724D 27" — The screen is not a reason to upgrade — same resolution, similar brightness.

Key Differences

Specification Dell S2725DS Dell U2724D 27"
Response Time 4 ms GTG 5 ms GTG
Year 2024 2023
Refresh Rate 100 Hz 120 Hz
HDR Peak Brightness 350 nits 600 nits
Contrast Ratio 1:1,500 1:2,000
Color Gamut sRGB 99% · DCI-P3 79% sRGB 100% · DCI-P3 98% · Adobe RGB 87%
All specifications
Specification Dell S2725DS 2024 Dell U2724D 27" 2023
Screen Size 27" 27"
Resolution 2560×1440 2560×1440
Pixel Density (PPI) 109 109
Optimal Viewing Distance 80cm 80cm
Panel Type IPS IPS
Viewing Angle 178° 178°
Aspect Ratio 16:9 16:9
Refresh Rate 100 Hz 120 Hz (Better)
Variable Refresh Rate (VRR) FreeSync None
Response Time 4 ms GTG (Better) 5 ms GTG
HDR Certification None None
SDR Brightness 350 nits 350 nits
HDR Peak Brightness 350 nits 600 nits (Better)
Contrast Ratio 1:1,500 1:2,000 (Better)
Ports 2x HDMI · 1x DP 1x HDMI · 1x DP · USB-C · USB Hub
Color Gamut sRGB 99% · DCI-P3 79% sRGB 100% · DCI-P3 98% · Adobe RGB 87% (Better)
Year 2024 (Better) 2023

Frequently Asked Questions

Which has better PPI: Dell S2725DS or Dell U2724D 27"?
Both have 109 PPI.
Which has a closer optimal viewing distance?
Both require 80cm 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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