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BenQ RD280U vs Kuycon P20

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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Kuycon P20

28.2" · 4500×3000 · IPS
Optimal Viewing Distance 46cm
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Specification BenQ RD280U 2024 Kuycon P20 2025
Screen Size 28.2" 28.2"
Resolution 3840×2560 4500×3000 (Better)
Pixel Density (PPI) 164 192 (Better)
Optimal Viewing Distance 53cm 46cm (Better)
Panel Type IPS IPS
Viewing Angle 178° 178°
Aspect Ratio 3:2 3:2
Refresh Rate 60 Hz 60 Hz
Variable Refresh Rate (VRR) None FreeSync
Response Time 5 ms GTG (Better) 8 ms GTG
HDR Certification DisplayHDR 400 DisplayHDR 600
SDR Brightness 350 nits 500 nits (Better)
HDR Peak Brightness 400 nits 600 nits (Better)
Contrast Ratio 1:1,200 1:1,500 (Better)
Ports 1x HDMI · 1x DP · USB-C · USB Hub 2x HDMI · 1x DP · USB-C · USB Hub
USB-C Power Delivery 90 W 100 W (Better)
Color Gamut sRGB 100% · DCI-P3 93% · Adobe RGB 87% sRGB 99% · DCI-P3 99% (Better)
Year 2024 2025 (Better)

Summary

The Kuycon P20 has higher pixel density (192 PPI), making it sharper at close range.

The Kuycon P20 allows sitting closer (46cm) while maintaining retina quality.

Frequently Asked Questions

Which has better PPI: BenQ RD280U or Kuycon P20?
The Kuycon P20 has 192 PPI compared to 164 PPI for the BenQ RD280U.
Which has a closer optimal viewing distance?
The Kuycon P20 requires 46cm vs 53cm for the BenQ RD280U 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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