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ASUS ROG Strix XG309CM vs Samsung Odyssey G7 32"

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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Samsung Odyssey G7 32"

31.5" · 2560×1440 · VA
Optimal Viewing Distance 94cm
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Category Ranking

Pixel Density (PPI)67in category
ASUS ROG Strix XG309CM94 PPI #65
Samsung Odyssey G7 32"93 PPI #66
93 PPI224 PPI
HDR Peak Brightness67in category
ASUS ROG Strix XG309CM300 nits #65
Samsung Odyssey G7 32"600 nits #22
250 nits2000 nits
DCI-P3 Color Gamut
Samsung Odyssey G7 32"95% #48
79%100%
Refresh Rate
ASUS ROG Strix XG309CM220 Hz
Samsung Odyssey G7 32"240 Hz
StandardHighUltra

Summary

  • Sharpness: advantage ASUS ROG Strix XG309CM — Neither screen reaches retina quality at 65cm. The ASUS ROG Strix XG309CM gets there at 93cm vs 94cm for the Samsung Odyssey G7 32".
  • Brightness: advantage Samsung Odyssey G7 32" — Similar SDR brightness (300 vs 350 nits), but the Samsung Odyssey G7 32" leads in HDR peak (600 vs 300 nits).

Key Differences

Specification ASUS ROG Strix XG309CM Samsung Odyssey G7 32"
Pixel Density (PPI) 94 93
Optimal Viewing Distance 93cm 94cm
Color Gamut sRGB 110% sRGB 125% · DCI-P3 95% · Adobe RGB 85%
Year 2022 2020
Screen Size 29.5" 31.5"
Resolution 2560×1080 2560×1440
Refresh Rate 220 Hz 240 Hz
SDR Brightness 300 nits 350 nits
HDR Peak Brightness 300 nits 600 nits
Contrast Ratio 1:1,000 1:2,500
All specifications
Specification ASUS ROG Strix XG309CM 2022 Samsung Odyssey G7 32" 2020
Screen Size 29.5" 31.5" (Better)
Resolution 2560×1080 2560×1440 (Better)
Pixel Density (PPI) 94 (Better) 93
Optimal Viewing Distance 93cm (Better) 94cm
Panel Type IPS VA
Viewing Angle 178° 178°
Aspect Ratio 21:9 16:9
Refresh Rate 220 Hz 240 Hz (Better)
Variable Refresh Rate (VRR) FreeSync Premium FreeSync Premium Pro
Response Time 1 ms GTG 1 ms GTG
HDR Certification None DisplayHDR 600
SDR Brightness 300 nits 350 nits (Better)
HDR Peak Brightness 300 nits 600 nits (Better)
Contrast Ratio 1:1,000 1:2,500 (Better)
Ports 1x HDMI · 1x DP · USB-C · USB Hub 1x HDMI · 2x DP · USB Hub
USB-C Power Delivery 15 W
Color Gamut sRGB 110% (Better) sRGB 125% · DCI-P3 95% · Adobe RGB 85%
Year 2022 (Better) 2020

Frequently Asked Questions

Which has better PPI: ASUS ROG Strix XG309CM or Samsung Odyssey G7 32"?
The ASUS ROG Strix XG309CM has 94 PPI compared to 93 PPI for the Samsung Odyssey G7 32".
Which has a closer optimal viewing distance?
The ASUS ROG Strix XG309CM requires 93cm vs 94cm for the Samsung Odyssey G7 32" 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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