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BenQ RD280U vs Kuycon Q32S

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 Q32S

31.5" · 3840×2160 · QD-OLED
Optimal Viewing Distance 62cm
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Specification BenQ RD280U 2024 Kuycon Q32S 2025
Screen Size 28.2" 31.5" (Better)
Resolution 3840×2560 (Better) 3840×2160
Pixel Density (PPI) 164 (Better) 140
Optimal Viewing Distance 53cm (Better) 62cm
Panel Type IPS QD-OLED
Viewing Angle 178° 178°
Aspect Ratio 3:2 16:9
Refresh Rate 60 Hz 240 Hz (Better)
Variable Refresh Rate (VRR) None G-SYNC Compatible
Response Time 5 ms GTG 0.0 ms GTG (Better)
HDR Certification DisplayHDR 400 DisplayHDR True Black 400
SDR Brightness 350 nits (Better) 250 nits
HDR Peak Brightness 400 nits 1000 nits (Better)
Contrast Ratio 1:1,200 1:1,500,000 (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 BenQ RD280U has higher pixel density (164 PPI), making it sharper at close range.

The BenQ RD280U allows sitting closer (53cm) while maintaining retina quality.

The Kuycon Q32S offers a larger 31.5" display for more immersive viewing.

Frequently Asked Questions

Which has better PPI: BenQ RD280U or Kuycon Q32S?
The BenQ RD280U has 164 PPI compared to 140 PPI for the Kuycon Q32S.
Which has a closer optimal viewing distance?
The BenQ RD280U requires 53cm vs 62cm for the Kuycon Q32S 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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