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BenQ RD280U vs Dell UltraSharp U2725QE

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

BenQ RD280U

28.2" · 3840×2560 · IPS
Optimal Viewing Distance 53cm
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Dell UltraSharp U2725QE

27" · 3840×2160 · IPS
Optimal Viewing Distance 54cm
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Advantages of BenQ RD280U

Specification BenQ RD280U Dell UltraSharp U2725QE
Screen Size 28.2" 27"
Resolution 3840×2560 3840×2160
Pixel Density (PPI) 164 163
Optimal Viewing Distance 53cm 54cm

Advantages of Dell UltraSharp U2725QE

Specification BenQ RD280U Dell UltraSharp U2725QE
Refresh Rate 60 Hz 120 Hz
SDR Brightness 350 nits 600 nits
HDR Peak Brightness 400 nits 600 nits
Contrast Ratio 1:1,200 1:3,000
USB-C Power Delivery 90 W 140 W
Color Gamut sRGB 100% · DCI-P3 93% · Adobe RGB 87% sRGB 100% · DCI-P3 99% · Adobe RGB 94%
Year 2024 2025

Identical

Specification BenQ RD280U Dell UltraSharp U2725QE
Panel Type IPS IPS
Viewing Angle 178° 178°
Aspect Ratio 3:2 16:9
Variable Refresh Rate (VRR) None None
Response Time 5 ms GTG 5 ms GTG
HDR Certification DisplayHDR 400 DisplayHDR 600
Ports 1x HDMI · 1x DP · USB-C · USB Hub 1x HDMI · 1x DP · USB-C · USB Hub

Summary

Sharpness: identical

Both screens are retina at 65cm. With nearly identical pixel density (164 vs 163 PPI), there is no visible 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 400 nits.

All specifications
Specification BenQ RD280U 2024 Dell UltraSharp U2725QE 2025
Screen Size 28.2" (Better) 27"
Resolution 3840×2560 (Better) 3840×2160
Pixel Density (PPI) 164 (Better) 163
Optimal Viewing Distance 53cm (Better) 54cm
Panel Type IPS IPS
Viewing Angle 178° 178°
Aspect Ratio 3:2 16:9
Refresh Rate 60 Hz 120 Hz (Better)
Variable Refresh Rate (VRR) None None
Response Time 5 ms GTG 5 ms GTG
HDR Certification DisplayHDR 400 DisplayHDR 600
SDR Brightness 350 nits 600 nits (Better)
HDR Peak Brightness 400 nits 600 nits (Better)
Contrast Ratio 1:1,200 1:3,000 (Better)
Ports 1x HDMI · 1x DP · USB-C · USB Hub 1x HDMI · 1x DP · USB-C · USB Hub
USB-C Power Delivery 90 W 140 W (Better)
Color Gamut sRGB 100% · DCI-P3 93% · Adobe RGB 87% sRGB 100% · DCI-P3 99% · Adobe RGB 94% (Better)
Year 2024 2025 (Better)

Frequently Asked Questions

Which has better PPI: BenQ RD280U or Dell UltraSharp U2725QE?
The BenQ RD280U has 164 PPI compared to 163 PPI for the Dell UltraSharp U2725QE.
Which has a closer optimal viewing distance?
The BenQ RD280U requires 53cm vs 54cm for the Dell UltraSharp U2725QE 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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