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LG G4 65" vs TCL QM7K 65"

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

LG G4 65"

65" · 3840×2160 · OLED
Optimal Viewing Distance 1.3m
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TCL QM7K 65"

65" · 3840×2160 · Mini-LED
Optimal Viewing Distance 1.3m
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Advantages of LG G4 65"

Specification LG G4 65" TCL QM7K 65"
Response Time 0.1 ms GTG 6 ms GTG
Contrast Ratio 1:1,000,000 1:5,000
Color Gamut sRGB 100% · DCI-P3 96.6% · Adobe RGB 95% sRGB 100% · DCI-P3 97% · Adobe RGB 90%

Advantages of TCL QM7K 65"

Specification LG G4 65" TCL QM7K 65"
SDR Brightness 361 nits 550 nits
HDR Peak Brightness 1488 nits 1700 nits
Year 2024 2025

Identical

Specification LG G4 65" TCL QM7K 65"
Screen Size 65" 65"
Resolution 3840×2160 3840×2160
Pixel Density (PPI) 68 68
Optimal Viewing Distance 1.3m 1.3m
Panel Type OLED Mini-LED
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
HDR Certification None None
Ports 4x HDMI 4x HDMI

Summary

Sharpness: identical

Both screens are retina at 250cm with identical pixel density (68 PPI). No difference in sharpness.

Brightness: advantage TCL QM7K 65"

The TCL QM7K 65" is 52% brighter in SDR (550 vs 361 nits), a noticeable difference for outdoor readability. HDR peak: 1700 vs 1488 nits.

All specifications
Specification LG G4 65" 2024 TCL QM7K 65" 2025
Screen Size 65" 65"
Resolution 3840×2160 3840×2160
Pixel Density (PPI) 68 68
Optimal Viewing Distance 1.3m 1.3m
Panel Type OLED Mini-LED
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 (Better) 6 ms GTG
HDR Certification None None
SDR Brightness 361 nits 550 nits (Better)
HDR Peak Brightness 1488 nits 1700 nits (Better)
Contrast Ratio 1:1,000,000 (Better) 1:5,000
Ports 4x HDMI 4x HDMI
Color Gamut sRGB 100% · DCI-P3 96.6% · Adobe RGB 95% (Better) sRGB 100% · DCI-P3 97% · Adobe RGB 90%
Year 2024 2025 (Better)

Frequently Asked Questions

Which has better PPI: LG G4 65" or TCL QM7K 65"?
Both have 68 PPI.
Which has a closer optimal viewing distance?
Both require 1.3m for 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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