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ASUS ROG Strix XG309CM vs Kuycon Q32S

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

ASUS ROG Strix XG309CM

29.5" · 2560×1080 · IPS
Optimal Viewing Distance 93cm
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Kuycon Q32S

31.5" · 3840×2160 · QD-OLED
Optimal Viewing Distance 62cm
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Specification ASUS ROG Strix XG309CM 2022 Kuycon Q32S 2025
Screen Size 29.5" 31.5" (Better)
Resolution 2560×1080 3840×2160 (Better)
Pixel Density (PPI) 94 140 (Better)
Optimal Viewing Distance 93cm 62cm (Better)
Panel Type IPS QD-OLED
Viewing Angle 178° 178°
Aspect Ratio 21:9 16:9
Refresh Rate 220 Hz 240 Hz (Better)
Variable Refresh Rate (VRR) FreeSync Premium G-SYNC Compatible
Response Time 1 ms GTG 0.0 ms GTG (Better)
HDR Certification None DisplayHDR True Black 400
SDR Brightness 300 nits (Better) 250 nits
HDR Peak Brightness 300 nits 1000 nits (Better)
Contrast Ratio 1:1,000 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 15 W 100 W (Better)
Color Gamut sRGB 110% (Better) sRGB 99% · DCI-P3 99%
Year 2022 2025 (Better)

Summary

The Kuycon Q32S has higher pixel density (140 PPI), making it sharper at close range.

The Kuycon Q32S allows sitting closer (62cm) while maintaining retina quality.

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

Frequently Asked Questions

Which has better PPI: ASUS ROG Strix XG309CM or Kuycon Q32S?
The Kuycon Q32S has 140 PPI compared to 94 PPI for the ASUS ROG Strix XG309CM.
Which has a closer optimal viewing distance?
The Kuycon Q32S requires 62cm vs 93cm for the ASUS ROG Strix XG309CM 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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