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Dell 27 Plus S2725QC vs Dell UltraSharp U4025QW

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

Dell 27 Plus S2725QC

27" · 3840×2160 · IPS
Optimal Viewing Distance 54cm
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Dell UltraSharp U4025QW

39.7" · 5120×2160 · IPS
Optimal Viewing Distance 62cm
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Category Ranking

Pixel Density (PPI)67in category
Dell 27 Plus S2725QC163 PPI #20
Dell UltraSharp U4025QW140 PPI #30
93 PPI224 PPI
HDR Peak Brightness67in category
Dell 27 Plus S2725QC350 nits #61
Dell UltraSharp U4025QW600 nits #22
250 nits2000 nits
DCI-P3 Color Gamut63in category
Dell 27 Plus S2725QC95% #48
Dell UltraSharp U4025QW99% #2
79%100%
Refresh Rate
Dell 27 Plus S2725QC120 Hz
Dell UltraSharp U4025QW120 Hz
StandardHighUltra

Summary

  • Sharpness: no visible difference — Both screens exceed the retina threshold at 65cm. The Dell 27 Plus S2725QC has 17% higher pixel density (163 vs 140 PPI), but this only becomes visible below 54cm.
  • Brightness: advantage Dell UltraSharp U4025QW — The Dell UltraSharp U4025QW is 29% brighter in SDR (450 vs 350 nits), a noticeable difference for outdoor readability. HDR peak: 600 vs 350 nits.

Key Differences

Specification Dell 27 Plus S2725QC Dell UltraSharp U4025QW
Pixel Density (PPI) 163 140
Optimal Viewing Distance 54cm 62cm
Year 2025 2024
Screen Size 27" 39.7"
Resolution 3840×2160 5120×2160
SDR Brightness 350 nits 450 nits
HDR Peak Brightness 350 nits 600 nits
Contrast Ratio 1:1,500 1:2,000
USB-C Power Delivery 65 W 140 W
Color Gamut sRGB 99% · DCI-P3 95% sRGB 100% · DCI-P3 99% · Adobe RGB 96%
All specifications
Specification Dell 27 Plus S2725QC 2025 Dell UltraSharp U4025QW 2024
Screen Size 27" 39.7" (Better)
Resolution 3840×2160 5120×2160 (Better)
Pixel Density (PPI) 163 (Better) 140
Optimal Viewing Distance 54cm (Better) 62cm
Panel Type IPS IPS
Viewing Angle 178° 178°
Aspect Ratio 16:9 21:9
Refresh Rate 120 Hz 120 Hz
Variable Refresh Rate (VRR) FreeSync Premium FreeSync Premium
Response Time 5 ms GTG 5 ms GTG
HDR Certification None DisplayHDR 600
SDR Brightness 350 nits 450 nits (Better)
HDR Peak Brightness 350 nits 600 nits (Better)
Contrast Ratio 1:1,500 1:2,000 (Better)
Ports 2x HDMI · USB-C · USB Hub 1x HDMI · 1x DP · USB-C · USB Hub
USB-C Power Delivery 65 W 140 W (Better)
Color Gamut sRGB 99% · DCI-P3 95% sRGB 100% · DCI-P3 99% · Adobe RGB 96% (Better)
Year 2025 (Better) 2024

Frequently Asked Questions

Which has better PPI: Dell 27 Plus S2725QC or Dell UltraSharp U4025QW?
The Dell 27 Plus S2725QC has 163 PPI compared to 140 PPI for the Dell UltraSharp U4025QW.
Which has a closer optimal viewing distance?
The Dell 27 Plus S2725QC requires 54cm vs 62cm for the Dell UltraSharp U4025QW to reach 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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