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Kuycon P20 vs Samsung ViewFinity S9 5K

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

Kuycon P20

28.2" · 4500×3000 · IPS
Optimal Viewing Distance 46cm
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Samsung ViewFinity S9 5K

27" · 5120×2880 · IPS
Optimal Viewing Distance 40cm
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Specification Kuycon P20 2025 Samsung ViewFinity S9 5K 2023
Screen Size 28.2" (Better) 27"
Resolution 4500×3000 5120×2880 (Better)
Pixel Density (PPI) 192 218 (Better)
Optimal Viewing Distance 46cm 40cm (Better)
Panel Type IPS IPS
Viewing Angle 178° 178°
Aspect Ratio 3:2 16:9
Refresh Rate 60 Hz 60 Hz
Variable Refresh Rate (VRR) FreeSync None
Response Time 8 ms GTG 5 ms GTG (Better)
HDR Certification DisplayHDR 600 None
SDR Brightness 500 nits 600 nits (Better)
HDR Peak Brightness 600 nits 600 nits
Contrast Ratio 1:1,500 (Better) 1:1,000
Ports 2x HDMI · 1x DP · USB-C · USB Hub 0x HDMI · 1x DP · USB-C · USB Hub
USB-C Power Delivery 100 W (Better) 90 W
Color Gamut sRGB 99% · DCI-P3 99% (Better) sRGB 100% · DCI-P3 99% · Adobe RGB 94%
Year 2025 (Better) 2023

Summary

The Samsung ViewFinity S9 5K has higher pixel density (218 PPI), making it sharper at close range.

The Samsung ViewFinity S9 5K allows sitting closer (40cm) while maintaining retina quality.

The Kuycon P20 offers a larger 28.2" display for more immersive viewing.

Frequently Asked Questions

Which has better PPI: Kuycon P20 or Samsung ViewFinity S9 5K?
The Samsung ViewFinity S9 5K has 218 PPI compared to 192 PPI for the Kuycon P20.
Which has a closer optimal viewing distance?
The Samsung ViewFinity S9 5K requires 40cm vs 46cm for the Kuycon P20 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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