ASUS ROG Strix XG309CM vs Samsung Odyssey G9 49"
Side-by-side comparison of viewing distance, PPI, and specifications
| Specification | ASUS ROG Strix XG309CM 2022 | Samsung Odyssey G9 49" 2020 |
|---|---|---|
| Screen Size | 29.5" | 48.7" (Better) |
| Resolution | 2560×1080 | 5120×1440 (Better) |
| Pixel Density (PPI) | 94 | 109 (Better) |
| Optimal Viewing Distance | 93cm | 80cm (Better) |
| Panel Type | IPS | VA |
| Viewing Angle | 178° | 178° |
| Aspect Ratio | 21:9 | 32:9 |
| 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 1000 |
| SDR Brightness | 300 nits | 420 nits (Better) |
| HDR Peak Brightness | 300 nits | 1000 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 92% |
| Year | 2022 (Better) | 2020 |
Summary
The Samsung Odyssey G9 49" has higher pixel density (109 PPI), making it sharper at close range.
The Samsung Odyssey G9 49" allows sitting closer (80cm) while maintaining retina quality.
The Samsung Odyssey G9 49" offers a larger 48.7" display for more immersive viewing.
Frequently Asked Questions
Which has better PPI: ASUS ROG Strix XG309CM or Samsung Odyssey G9 49"?
The Samsung Odyssey G9 49" has 109 PPI compared to 94 PPI for the ASUS ROG Strix XG309CM.
Which has a closer optimal viewing distance?
The Samsung Odyssey G9 49" requires 80cm 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).
Last updated:
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