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BenQ PD2725U 27" vs Dell S3225QC

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

BenQ PD2725U 27"

27" · 3840×2160 · IPS
Optimal Viewing Distance 54cm
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Dell S3225QC

31.6" · 3840×2160 · QD-OLED
Optimal Viewing Distance 63cm
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Advantages of BenQ PD2725U 27"

Specification BenQ PD2725U 27" Dell S3225QC
Pixel Density (PPI) 163 139
Optimal Viewing Distance 54cm 63cm
Color Gamut sRGB 100% · DCI-P3 95% · Adobe RGB 100% sRGB 100% · DCI-P3 99% · Adobe RGB 95%

Advantages of Dell S3225QC

Specification BenQ PD2725U 27" Dell S3225QC
Screen Size 27" 31.6"
Refresh Rate 60 Hz 120 Hz
Response Time 5 ms GTG 0.0 ms GTG
HDR Peak Brightness 400 nits 1000 nits
Contrast Ratio 1:1,200 1:1,500,000
USB-C Power Delivery 65 W 90 W
Year 2021 2025

Identical

Specification BenQ PD2725U 27" Dell S3225QC
Resolution 3840×2160 3840×2160
Panel Type IPS QD-OLED
Viewing Angle 178° 178°
Aspect Ratio 16:9 16:9
Variable Refresh Rate (VRR) None FreeSync Premium
HDR Certification DisplayHDR 400 DisplayHDR True Black 400
SDR Brightness 250 nits 250 nits
Ports 2x HDMI · 1x DP · USB-C · USB Hub 1x HDMI · USB-C · USB Hub

Summary

Sharpness: no visible difference

Both screens exceed the retina threshold at 65cm. The BenQ PD2725U 27" has 17% higher pixel density (163 vs 139 PPI), but this only becomes visible below 54cm.

Brightness: advantage Dell S3225QC

Similar SDR brightness (250 vs 250 nits), but the Dell S3225QC leads in HDR peak (1000 vs 400 nits).

All specifications
Specification BenQ PD2725U 27" 2021 Dell S3225QC 2025
Screen Size 27" 31.6" (Better)
Resolution 3840×2160 3840×2160
Pixel Density (PPI) 163 (Better) 139
Optimal Viewing Distance 54cm (Better) 63cm
Panel Type IPS QD-OLED
Viewing Angle 178° 178°
Aspect Ratio 16:9 16:9
Refresh Rate 60 Hz 120 Hz (Better)
Variable Refresh Rate (VRR) None FreeSync Premium
Response Time 5 ms GTG 0.0 ms GTG (Better)
HDR Certification DisplayHDR 400 DisplayHDR True Black 400
SDR Brightness 250 nits 250 nits
HDR Peak Brightness 400 nits 1000 nits (Better)
Contrast Ratio 1:1,200 1:1,500,000 (Better)
Ports 2x HDMI · 1x DP · USB-C · USB Hub 1x HDMI · USB-C · USB Hub
USB-C Power Delivery 65 W 90 W (Better)
Color Gamut sRGB 100% · DCI-P3 95% · Adobe RGB 100% (Better) sRGB 100% · DCI-P3 99% · Adobe RGB 95%
Year 2021 2025 (Better)

Frequently Asked Questions

Which has better PPI: BenQ PD2725U 27" or Dell S3225QC?
The BenQ PD2725U 27" has 163 PPI compared to 139 PPI for the Dell S3225QC.
Which has a closer optimal viewing distance?
The BenQ PD2725U 27" requires 54cm vs 63cm for the Dell S3225QC 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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