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Kuycon P20 vs Kuycon P40K

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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Kuycon P40K

40" · 5120×2160 · IPS
Optimal Viewing Distance 63cm
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Category Ranking

Pixel Density (PPI)67in category
Kuycon P20192 PPI #15
Kuycon P40K139 PPI #41
93 PPI224 PPI
HDR Peak Brightness67in category
Kuycon P20600 nits #22
Kuycon P40K450 nits #48
250 nits2000 nits
DCI-P3 Color Gamut63in category
Kuycon P2099% #2
Kuycon P40K96% #45
79%100%
Refresh Rate
Kuycon P2060 Hz
Kuycon P40K120 Hz
StandardHighUltra

Summary

  • Sharpness: no visible difference — Both screens exceed the retina threshold at 65cm. The Kuycon P20 has 38% higher pixel density (192 vs 139 PPI), but this only becomes visible below 46cm.
  • Brightness: advantage Kuycon P20 — The Kuycon P20 is 25% brighter in SDR (500 vs 400 nits), a noticeable difference for outdoor readability. HDR peak: 600 vs 450 nits.

Key Differences

Specification Kuycon P20 Kuycon P40K
Resolution 4500×3000 5120×2160
Pixel Density (PPI) 192 139
Optimal Viewing Distance 46cm 63cm
SDR Brightness 500 nits 400 nits
HDR Peak Brightness 600 nits 450 nits
Color Gamut sRGB 99% · DCI-P3 99% sRGB 99% · DCI-P3 96%
Screen Size 28.2" 40"
Refresh Rate 60 Hz 120 Hz
Contrast Ratio 1:1,500 1:2,000
All specifications
Specification Kuycon P20 2025 Kuycon P40K 2025
Screen Size 28.2" 40" (Better)
Resolution 4500×3000 (Better) 5120×2160
Pixel Density (PPI) 192 (Better) 139
Optimal Viewing Distance 46cm (Better) 63cm
Panel Type IPS IPS
Viewing Angle 178° 178°
Aspect Ratio 3:2 21:9
Refresh Rate 60 Hz 120 Hz (Better)
Variable Refresh Rate (VRR) FreeSync G-SYNC Compatible
Response Time 8 ms GTG 8 ms GTG
HDR Certification DisplayHDR 600 None
SDR Brightness 500 nits (Better) 400 nits
HDR Peak Brightness 600 nits (Better) 450 nits
Contrast Ratio 1:1,500 1:2,000 (Better)
Ports 2x HDMI · 1x DP · USB-C · USB Hub 2x HDMI · 1x DP · USB-C · USB Hub
USB-C Power Delivery 100 W 100 W
Color Gamut sRGB 99% · DCI-P3 99% (Better) sRGB 99% · DCI-P3 96%
Year 2025 2025

Frequently Asked Questions

Which has better PPI: Kuycon P20 or Kuycon P40K?
The Kuycon P20 has 192 PPI compared to 139 PPI for the Kuycon P40K.
Which has a closer optimal viewing distance?
The Kuycon P20 requires 46cm vs 63cm for the Kuycon P40K 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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