LG C4 55" vs Samsung S95D 55"
Side-by-side comparison of viewing distance, PPI, and specifications
Category Ranking
Pixel Density (PPI)28in category
LG C4 55"80 PPI #2
Samsung S95D 55"80 PPI #2
57 PPI118 PPI
HDR Peak Brightness28in category
LG C4 55"1049 nits #24
Samsung S95D 55"1780 nits #11
677 nits5000 nits
DCI-P3 Color Gamut28in category
LG C4 55"98.7% #10
Samsung S95D 55"99.9% #2
94%100%
Refresh Rate
LG C4 55"144 Hz
Samsung S95D 55"144 Hz
StandardHighUltra
Summary
- Sharpness: identical — Both screens are retina at 250cm with identical pixel density (80 PPI). No difference in sharpness.
- Brightness: advantage Samsung S95D 55" — Similar SDR brightness (296 vs 276 nits), but the Samsung S95D 55" leads in HDR peak (1780 vs 1049 nits).
Key Differences
| Specification | LG C4 55" | Samsung S95D 55" |
|---|---|---|
| SDR Brightness | 296 nits | 276 nits |
| HDR Peak Brightness | 1049 nits | 1780 nits |
| Color Gamut | sRGB 100% · DCI-P3 98.7% · Adobe RGB 96% | sRGB 100% · DCI-P3 99.9% · Adobe RGB 99% |
| Year | 2024 | 2025 |
All specifications
| Specification | LG C4 55" 2024 | Samsung S95D 55" 2025 |
|---|---|---|
| Screen Size | 55" | 55" |
| Resolution | 3840×2160 | 3840×2160 |
| Pixel Density (PPI) | 80 | 80 |
| Optimal Viewing Distance | 1.1m | 1.1m |
| 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 | 296 nits (Better) | 276 nits |
| HDR Peak Brightness | 1049 nits | 1780 nits (Better) |
| Contrast Ratio | 1:1,000,000 | 1:1,000,000 |
| Ports | 4x HDMI | 4x HDMI · USB-C |
| Color Gamut | sRGB 100% · DCI-P3 98.7% · Adobe RGB 96% | sRGB 100% · DCI-P3 99.9% · Adobe RGB 99% (Better) |
| Year | 2024 | 2025 (Better) |
Frequently Asked Questions
Which has better PPI: LG C4 55" or Samsung S95D 55"?
Both have 80 PPI.
Which has a closer optimal viewing distance?
Both require 1.1m for retina quality.
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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).
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