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LG C4 65" vs Samsung S95D 55"

Side-by-side comparison of viewing distance, PPI, and specifications

LG C4 65"

65" · 3840×2160 · OLED
Optimal Viewing Distance 1.3m
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Samsung S95D 55"

55" · 3840×2160 · QD-OLED
Optimal Viewing Distance 1.1m
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Advantages of LG C4 65"

Specification LG C4 65" Samsung S95D 55"
Screen Size 65" 55"
SDR Brightness 296 nits 276 nits

Advantages of Samsung S95D 55"

Specification LG C4 65" Samsung S95D 55"
Pixel Density (PPI) 68 80
Optimal Viewing Distance 1.3m 1.1m
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

Identical

Specification LG C4 65" Samsung S95D 55"
Resolution 3840×2160 3840×2160
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
Contrast Ratio 1:1,000,000 1:1,000,000
Ports 4x HDMI 4x HDMI · USB-C

Summary

Sharpness: no visible difference

Both screens exceed the retina threshold at 250cm. The Samsung S95D 55" has 15% higher pixel density (80 vs 68 PPI), but this only becomes visible below 109cm.

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).

All specifications
Specification LG C4 65" 2024 Samsung S95D 55" 2025
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 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 65" or Samsung S95D 55"?
The Samsung S95D 55" has 80 PPI compared to 68 PPI for the LG C4 65".
Which has a closer optimal viewing distance?
The Samsung S95D 55" requires 1.1m vs 1.3m for the LG C4 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).

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