Skip to content

Dell S3225QC vs Kuycon P40K

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

Dell S3225QC

31.6" · 3840×2160 · QD-OLED
Optimal Viewing Distance 63cm
Open in calculator →

Kuycon P40K

40" · 5120×2160 · IPS
Optimal Viewing Distance 63cm
Open in calculator →
Specification Dell S3225QC 2025 Kuycon P40K 2025
Screen Size 31.6" 40" (Better)
Resolution 3840×2160 5120×2160 (Better)
Pixel Density (PPI) 139 (Better) 139
Optimal Viewing Distance 63cm (Better) 63cm
Panel Type QD-OLED IPS
Viewing Angle 178° 178°
Aspect Ratio 16:9 21:9
Refresh Rate 120 Hz 120 Hz
Variable Refresh Rate (VRR) FreeSync Premium G-SYNC Compatible
Response Time 0.0 ms GTG (Better) 8 ms GTG
HDR Certification DisplayHDR True Black 400 None
SDR Brightness 250 nits 400 nits (Better)
HDR Peak Brightness 1000 nits (Better) 450 nits
Contrast Ratio 1:1,500,000 (Better) 1:2,000
Ports 1x HDMI · 0x 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 99% · Adobe RGB 95% (Better) sRGB 99% · DCI-P3 96%
Year 2025 2025

Summary

The Dell S3225QC has higher pixel density (139 PPI), making it sharper at close range.

The Dell S3225QC allows sitting closer (63cm) while maintaining retina quality.

The Kuycon P40K offers a larger 40" display for more immersive viewing.

Frequently Asked Questions

Which has better PPI: Dell S3225QC or Kuycon P40K?
The Dell S3225QC has 139 PPI compared to 139 PPI for the Kuycon P40K.
Which has a closer optimal viewing distance?
The Dell S3225QC requires 63cm 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).

Last updated:

Related Comparisons