ASUS ROG Swift PG42UQ 42" vs Japannext JN-IPS275K-HSPC9 27"
Side-by-side comparison of viewing distance, PPI, and specifications
ASUS ROG Swift PG42UQ 42"
41.5" · 3840×2160 · OLED
Optimal Viewing Distance 82cm
Open in calculator →
Japannext JN-IPS275K-HSPC9 27"
27" · 5120×2880 · IPS
Optimal Viewing Distance 40cm
Open in calculator →
| Specification | ASUS ROG Swift PG42UQ 42" 2022 | Japannext JN-IPS275K-HSPC9 27" 2025 |
|---|---|---|
| Screen Size | 41.5" (Better) | 27" |
| Resolution | 3840×2160 | 5120×2880 (Better) |
| Pixel Density (PPI) | 106 | 218 (Better) |
| Optimal Viewing Distance | 82cm | 40cm (Better) |
| Panel Type | OLED | IPS |
| Viewing Angle | 178° | 178° |
| Aspect Ratio | 16:9 | 16:9 |
| Refresh Rate | 138 Hz (Better) | 60 Hz |
| Variable Refresh Rate (VRR) | G-SYNC Compatible | G-SYNC Compatible |
| Response Time | 0.1 ms GTG (Better) | 8 ms GTG |
| HDR Certification | None | None |
| SDR Brightness | 450 nits (Better) | 350 nits |
| HDR Peak Brightness | 1000 nits (Better) | 350 nits |
| Contrast Ratio | 1:1,000,000 (Better) | 1:2,000 |
| Ports | 4x HDMI · 1x DP · USB Hub | 2x HDMI · 1x DP · USB-C · USB Hub |
| USB-C Power Delivery | — | 90 W |
| Color Gamut | sRGB 133% · DCI-P3 98% · Adobe RGB 94% (Better) | sRGB 100% · DCI-P3 100% |
| Year | 2022 | 2025 (Better) |
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 ASUS ROG Swift PG42UQ 42" offers a larger 41.5" display for more immersive viewing.
Frequently Asked Questions
Which has better PPI: ASUS ROG Swift PG42UQ 42" or Japannext JN-IPS275K-HSPC9 27"?
The Japannext JN-IPS275K-HSPC9 27" has 218 PPI compared to 106 PPI for the ASUS ROG Swift PG42UQ 42".
Which has a closer optimal viewing distance?
The Japannext JN-IPS275K-HSPC9 27" requires 40cm vs 82cm for the ASUS ROG Swift PG42UQ 42" 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:
Related Comparisons
Alienware AW2725DF 27" 2024 · 110 PPI · 26.7" · 360 Hz
vs ASUS ROG Swift PG42UQ 42" 2022 · 106 PPI · 41.5" · 138 Hz
Alienware AW2725DF 27" 2024 · 110 PPI · 26.7" · 360 Hz
vs Japannext JN-IPS275K-HSPC9 27" 2025 · 218 PPI · 27" · 60 Hz
Alienware AW3225QF 32" 2024 · 139 PPI · 31.6" · 240 Hz
vs ASUS ROG Swift PG42UQ 42" 2022 · 106 PPI · 41.5" · 138 Hz
Alienware AW3225QF 32" 2024 · 139 PPI · 31.6" · 240 Hz
vs Japannext JN-IPS275K-HSPC9 27" 2025 · 218 PPI · 27" · 60 Hz