ASUS ROG Swift PG42UQ 42" vs LG UltraGear 45GX950A 45"
Side-by-side comparison of viewing distance, PPI, and specifications
ASUS ROG Swift PG42UQ 42"
41.5" · 3840×2160 · OLED
Optimal Viewing Distance 82cm
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LG UltraGear 45GX950A 45"
44.5" · 5120×2160 · OLED
Optimal Viewing Distance 70cm
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| Specification | ASUS ROG Swift PG42UQ 42" 2022 | LG UltraGear 45GX950A 45" 2025 |
|---|---|---|
| Screen Size | 41.5" | 44.5" (Better) |
| Resolution | 3840×2160 | 5120×2160 (Better) |
| Pixel Density (PPI) | 106 | 125 (Better) |
| Optimal Viewing Distance | 82cm | 70cm (Better) |
| Panel Type | OLED | OLED |
| Viewing Angle | 178° | 178° |
| Aspect Ratio | 16:9 | 21:9 |
| Refresh Rate | 138 Hz | 165 Hz (Better) |
| Variable Refresh Rate (VRR) | G-SYNC Compatible | FreeSync Premium Pro |
| Response Time | 0.1 ms GTG | 0.0 ms GTG (Better) |
| HDR Certification | None | DisplayHDR True Black 400 |
| SDR Brightness | 450 nits (Better) | 275 nits |
| HDR Peak Brightness | 1000 nits | 1300 nits (Better) |
| Contrast Ratio | 1:1,000,000 | 1:1,500,000 (Better) |
| 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 98% · Adobe RGB 94% |
| Year | 2022 | 2025 (Better) |
Summary
The LG UltraGear 45GX950A 45" has higher pixel density (125 PPI), making it sharper at close range.
The LG UltraGear 45GX950A 45" allows sitting closer (70cm) while maintaining retina quality.
The LG UltraGear 45GX950A 45" offers a larger 44.5" display for more immersive viewing.
Frequently Asked Questions
Which has better PPI: ASUS ROG Swift PG42UQ 42" or LG UltraGear 45GX950A 45"?
The LG UltraGear 45GX950A 45" has 125 PPI compared to 106 PPI for the ASUS ROG Swift PG42UQ 42".
Which has a closer optimal viewing distance?
The LG UltraGear 45GX950A 45" requires 70cm 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:
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