Japannext JN-IPS275K-HSPC9 27" vs Samsung Odyssey G9 49"
Side-by-side comparison of viewing distance, PPI, and specifications
Japannext JN-IPS275K-HSPC9 27"
27" · 5120×2880 · IPS
Optimal Viewing Distance 40cm
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| Specification | Japannext JN-IPS275K-HSPC9 27" 2025 | Samsung Odyssey G9 49" 2020 |
|---|---|---|
| Screen Size | 27" | 48.7" (Better) |
| Resolution | 5120×2880 (Better) | 5120×1440 |
| Pixel Density (PPI) | 218 (Better) | 109 |
| Optimal Viewing Distance | 40cm (Better) | 80cm |
| Panel Type | IPS | VA |
| Viewing Angle | 178° | 178° |
| Aspect Ratio | 16:9 | 32:9 |
| Refresh Rate | 60 Hz | 240 Hz (Better) |
| Variable Refresh Rate (VRR) | G-SYNC Compatible | FreeSync Premium Pro |
| Response Time | 8 ms GTG | 1 ms GTG (Better) |
| HDR Certification | None | DisplayHDR 1000 |
| SDR Brightness | 350 nits | 420 nits (Better) |
| HDR Peak Brightness | 350 nits | 1000 nits (Better) |
| Contrast Ratio | 1:2,000 | 1:2,500 (Better) |
| Ports | 2x HDMI · 1x DP · USB-C · USB Hub | 1x HDMI · 2x DP · USB Hub |
| USB-C Power Delivery | 90 W | — |
| Color Gamut | sRGB 100% · DCI-P3 100% | sRGB 125% · DCI-P3 95% · Adobe RGB 92% (Better) |
| Year | 2025 (Better) | 2020 |
Summary
The Japannext JN-IPS275K-HSPC9 27" has higher pixel density (218 PPI), making it sharper at close range.
The Japannext JN-IPS275K-HSPC9 27" allows sitting closer (40cm) 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: Japannext JN-IPS275K-HSPC9 27" or Samsung Odyssey G9 49"?
The Japannext JN-IPS275K-HSPC9 27" has 218 PPI compared to 109 PPI for the Samsung Odyssey G9 49".
Which has a closer optimal viewing distance?
The Japannext JN-IPS275K-HSPC9 27" requires 40cm vs 80cm for the Samsung Odyssey G9 49" 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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