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ASUS ProArt PA27JCV vs ASUS ROG Strix XG309CM

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

ASUS ProArt PA27JCV

27" · 5120×2880 · IPS
Optimal Viewing Distance 40cm
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ASUS ROG Strix XG309CM

29.5" · 2560×1080 · IPS
Optimal Viewing Distance 93cm
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Category Ranking

Pixel Density (PPI)67in category
ASUS ProArt PA27JCV218 PPI #5
ASUS ROG Strix XG309CM94 PPI #65
93 PPI224 PPI
HDR Peak Brightness67in category
ASUS ProArt PA27JCV500 nits #42
ASUS ROG Strix XG309CM300 nits #65
250 nits2000 nits
DCI-P3 Color Gamut63in category
ASUS ProArt PA27JCV99% #2
79%100%
Refresh Rate
ASUS ProArt PA27JCV60 Hz
ASUS ROG Strix XG309CM220 Hz
StandardHighUltra

Summary

  • Sharpness: advantage ASUS ProArt PA27JCV — At 65cm, the ASUS ProArt PA27JCV is retina (218 PPI) while the ASUS ROG Strix XG309CM is not — you need to sit at least 93cm away for pixel-free viewing.
  • Brightness: advantage ASUS ProArt PA27JCV — The ASUS ProArt PA27JCV is 33% brighter in SDR (400 vs 300 nits), a noticeable difference for outdoor readability. HDR peak: 500 vs 300 nits.

Key Differences

Specification ASUS ProArt PA27JCV ASUS ROG Strix XG309CM
Resolution 5120×2880 2560×1080
Pixel Density (PPI) 218 94
Optimal Viewing Distance 40cm 93cm
SDR Brightness 400 nits 300 nits
HDR Peak Brightness 500 nits 300 nits
Contrast Ratio 1:1,500 1:1,000
USB-C Power Delivery 96 W 15 W
Year 2024 2022
Screen Size 27" 29.5"
Refresh Rate 60 Hz 220 Hz
Response Time 5 ms GTG 1 ms GTG
Color Gamut sRGB 100% · DCI-P3 99% · Adobe RGB 95% sRGB 110%
All specifications
Specification ASUS ProArt PA27JCV 2024 ASUS ROG Strix XG309CM 2022
Screen Size 27" 29.5" (Better)
Resolution 5120×2880 (Better) 2560×1080
Pixel Density (PPI) 218 (Better) 94
Optimal Viewing Distance 40cm (Better) 93cm
Panel Type IPS IPS
Viewing Angle 178° 178°
Aspect Ratio 16:9 21:9
Refresh Rate 60 Hz 220 Hz (Better)
Variable Refresh Rate (VRR) None FreeSync Premium
Response Time 5 ms GTG 1 ms GTG (Better)
HDR Certification DisplayHDR 500 None
SDR Brightness 400 nits (Better) 300 nits
HDR Peak Brightness 500 nits (Better) 300 nits
Contrast Ratio 1:1,500 (Better) 1:1,000
Ports 1x HDMI · 1x DP · USB-C · USB Hub 1x HDMI · 1x DP · USB-C · USB Hub
USB-C Power Delivery 96 W (Better) 15 W
Color Gamut sRGB 100% · DCI-P3 99% · Adobe RGB 95% sRGB 110% (Better)
Year 2024 (Better) 2022

Frequently Asked Questions

Which has better PPI: ASUS ProArt PA27JCV or ASUS ROG Strix XG309CM?
The ASUS ProArt PA27JCV has 218 PPI compared to 94 PPI for the ASUS ROG Strix XG309CM.
Which has a closer optimal viewing distance?
The ASUS ProArt PA27JCV 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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