LG C5 65" vs Samsung S90D 55"
Side-by-side comparison of viewing distance, PPI, and specifications
| Specification | LG C5 65" 2025 | Samsung S90D 55" 2024 |
|---|---|---|
| Screen Size | 65" (Better) | 55" |
| Resolution | 3840×2160 | 3840×2160 |
| Pixel Density (PPI) | 68 | 80 (Better) |
| Optimal Viewing Distance | 1.3m | 1.1m (Better) |
| Panel Type | OLED | QD-OLED |
| Viewing Angle | 178° | 178° |
| Aspect Ratio | 16:9 | 16:9 |
| Refresh Rate | 144 Hz | 144 Hz |
| Variable Refresh Rate (VRR) | FreeSync Premium | FreeSync Premium Pro |
| Response Time | 0.1 ms GTG | 0.1 ms GTG |
| HDR Certification | None | None |
| SDR Brightness | 340 nits (Better) | 250 nits |
| HDR Peak Brightness | 1200 nits | 1500 nits (Better) |
| Contrast Ratio | 1:1,000,000 | 1:1,000,000 |
| Ports | 4x HDMI · 0x DP | 4x HDMI · 0x DP |
| Color Gamut | sRGB 100% · DCI-P3 97% · Adobe RGB 95% | sRGB 100% · DCI-P3 98% · Adobe RGB 97% (Better) |
| Year | 2025 (Better) | 2024 |
Summary
The Samsung S90D 55" has higher pixel density (80 PPI), making it sharper at close range.
The Samsung S90D 55" allows sitting closer (1.1m) while maintaining retina quality.
The LG C5 65" offers a larger 65" display for more immersive viewing.
Frequently Asked Questions
Which has better PPI: LG C5 65" or Samsung S90D 55"?
The Samsung S90D 55" has 80 PPI compared to 68 PPI for the LG C5 65".
Which has a closer optimal viewing distance?
The Samsung S90D 55" requires 1.1m vs 1.3m for the LG C5 65" 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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