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LG G4 77" vs Samsung QN900D 8K 75"

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

LG G4 77"

77" · 3840×2160 · OLED
Optimal Viewing Distance 1.5m
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Samsung QN900D 8K 75"

75" · 7680×4320 · Mini-LED
Optimal Viewing Distance 74cm
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Specification LG G4 77" 2024 Samsung QN900D 8K 75" 2024
Screen Size 77" (Better) 75"
Resolution 3840×2160 7680×4320 (Better)
Pixel Density (PPI) 57 118 (Better)
Optimal Viewing Distance 1.5m 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 361 nits 500 nits (Better)
HDR Peak Brightness 1488 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 96.6% · Adobe RGB 95% (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 LG G4 77" offers a larger 77" display for more immersive viewing.

Frequently Asked Questions

Which has better PPI: LG G4 77" or Samsung QN900D 8K 75"?
The Samsung QN900D 8K 75" has 118 PPI compared to 57 PPI for the LG G4 77".
Which has a closer optimal viewing distance?
The Samsung QN900D 8K 75" requires 74cm vs 1.5m for the LG G4 77" 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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