LG C4 55" vs Samsung QN900D 8K 75"
Side-by-side comparison of viewing distance, PPI, and specifications
| Specification | LG C4 55" 2024 | Samsung QN900D 8K 75" 2024 |
|---|---|---|
| Screen Size | 55" | 75" (Better) |
| Resolution | 3840×2160 | 7680×4320 (Better) |
| Pixel Density (PPI) | 80 | 118 (Better) |
| Optimal Viewing Distance | 1.1m | 74cm (Better) |
| Panel Type | OLED | Mini-LED |
| Viewing Angle | 178° | 178° |
| Aspect Ratio | 16:9 | 16:9 |
| Refresh Rate | 144 Hz (Better) | 120 Hz |
| Variable Refresh Rate (VRR) | FreeSync Premium | FreeSync Premium Pro |
| Response Time | 0.1 ms GTG (Better) | 7.8 ms GTG |
| HDR Certification | None | None |
| SDR Brightness | 296 nits | 500 nits (Better) |
| HDR Peak Brightness | 1049 nits | 2445 nits (Better) |
| Contrast Ratio | 1:1,000,000 (Better) | 1:1,600 |
| Ports | 4x HDMI · 0x DP | 4x HDMI · 0x DP |
| Color Gamut | sRGB 100% · DCI-P3 98.7% · Adobe RGB 96% (Better) | sRGB 100% · DCI-P3 95% · Adobe RGB 88% |
| Year | 2024 | 2024 |
Summary
The Samsung QN900D 8K 75" has higher pixel density (118 PPI), making it sharper at close range.
The Samsung QN900D 8K 75" allows sitting closer (74cm) while maintaining retina quality.
The Samsung QN900D 8K 75" offers a larger 75" display for more immersive viewing.
Frequently Asked Questions
Which has better PPI: LG C4 55" or Samsung QN900D 8K 75"?
The Samsung QN900D 8K 75" has 118 PPI compared to 80 PPI for the LG C4 55".
Which has a closer optimal viewing distance?
The Samsung QN900D 8K 75" requires 74cm vs 1.1m for the LG C4 55" 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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