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ASUS ROG Strix XG309CM vs Kuycon G27P

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 G27P

27" · 5120×2880 · IPS
Optimal Viewing Distance 40cm
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Specification ASUS ROG Strix XG309CM 2022 Kuycon G27P 2025
Screen Size 29.5" (Better) 27"
Resolution 2560×1080 5120×2880 (Better)
Pixel Density (PPI) 94 218 (Better)
Optimal Viewing Distance 93cm 40cm (Better)
Panel Type IPS IPS
Viewing Angle 178° 178°
Aspect Ratio 21:9 16:9
Refresh Rate 220 Hz (Better) 75 Hz
Variable Refresh Rate (VRR) FreeSync Premium FreeSync
Response Time 1 ms GTG (Better) 8 ms GTG
HDR Certification None None
SDR Brightness 300 nits 600 nits (Better)
HDR Peak Brightness 300 nits 600 nits (Better)
Contrast Ratio 1:1,000 1:2,000 (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 G27P has higher pixel density (218 PPI), making it sharper at close range.

The Kuycon G27P allows sitting closer (40cm) while maintaining retina quality.

The ASUS ROG Strix XG309CM offers a larger 29.5" display for more immersive viewing.

Frequently Asked Questions

Which has better PPI: ASUS ROG Strix XG309CM or Kuycon G27P?
The Kuycon G27P has 218 PPI compared to 94 PPI for the ASUS ROG Strix XG309CM.
Which has a closer optimal viewing distance?
The Kuycon G27P requires 40cm 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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