LG UltraGear 45GX950A 45" vs MSI MPG 321URX QD-OLED 32"
Side-by-side comparison of viewing distance, PPI, and specifications
LG UltraGear 45GX950A 45"
44.5" · 5120×2160 · OLED
Optimal Viewing Distance 70cm
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MSI MPG 321URX QD-OLED 32"
31.5" · 3840×2160 · QD-OLED
Optimal Viewing Distance 62cm
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| Specification | LG UltraGear 45GX950A 45" 2025 | MSI MPG 321URX QD-OLED 32" 2024 |
|---|---|---|
| Screen Size | 44.5" (Better) | 31.5" |
| Resolution | 5120×2160 (Better) | 3840×2160 |
| Pixel Density (PPI) | 125 | 140 (Better) |
| Optimal Viewing Distance | 70cm | 62cm (Better) |
| Panel Type | OLED | QD-OLED |
| Viewing Angle | 178° | 178° |
| Aspect Ratio | 21:9 | 16:9 |
| Refresh Rate | 165 Hz | 240 Hz (Better) |
| Variable Refresh Rate (VRR) | FreeSync Premium Pro | FreeSync Premium Pro |
| Response Time | 0.0 ms GTG | 0.0 ms GTG |
| HDR Certification | DisplayHDR True Black 400 | DisplayHDR True Black 400 |
| SDR Brightness | 275 nits (Better) | 250 nits |
| HDR Peak Brightness | 1300 nits (Better) | 1000 nits |
| Contrast Ratio | 1:1,500,000 | 1:1,500,000 |
| Ports | 2x HDMI · 1x DP · USB-C · USB Hub | 2x HDMI · 1x DP · USB-C · USB Hub |
| USB-C Power Delivery | 90 W | 90 W |
| Color Gamut | sRGB 100% · DCI-P3 98% · Adobe RGB 94% | sRGB 100% · DCI-P3 99% · Adobe RGB 96% (Better) |
| Year | 2025 (Better) | 2024 |
Summary
The MSI MPG 321URX QD-OLED 32" has higher pixel density (140 PPI), making it sharper at close range.
The MSI MPG 321URX QD-OLED 32" allows sitting closer (62cm) 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: LG UltraGear 45GX950A 45" or MSI MPG 321URX QD-OLED 32"?
The MSI MPG 321URX QD-OLED 32" has 140 PPI compared to 125 PPI for the LG UltraGear 45GX950A 45".
Which has a closer optimal viewing distance?
The MSI MPG 321URX QD-OLED 32" requires 62cm vs 70cm for the LG UltraGear 45GX950A 45" 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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