LG B4 65"
65" OLED · 3840× 2160 · 68 PPI
Optimal Viewing Distance
1.3m
Retina distance: 128.8cm / 50.7in
Too Close
< 39cm
Perfect Zone
1.3m
Good Zone
1.9m
Acceptable Zone
3.2m
Too Far
5.2m
1.3m Perfect Zone
Retina quality — pixels are invisible at this distance.
1.9m Good Zone
Sharp image — slightly past the ideal distance but still excellent.
3.2m Acceptable Zone
The screen appears smaller — you're starting to miss fine details.
5.2m Too Far
You're not using your screen's full resolution. Move closer.
Specifications
| Brand | LG |
|---|---|
| Model | B4 65" |
| Screen Size | 65" |
| Resolution | 3840×2160 |
| Panel | OLED |
| Refresh Rate | 120 Hz |
| Variable Refresh Rate (VRR) | FreeSync Premium |
| Response Time | 0.1 ms GTG |
| HDR Certification | None |
| SDR Brightness | 374 nits |
| HDR Peak Brightness | 677 nits |
| Contrast Ratio | 1:1,000,000 |
| Ports | 4x HDMI |
| Color Gamut | sRGB 100% · DCI-P3 99% · Adobe RGB 97% |
| Viewing Angle | 178° — Excellent |
| Pixel Density (PPI) | 68 |
| Aspect Ratio | 16:9 |
| Year | 2024 |
Category Ranking
Pixel Density (PPI)
#8 / 28in category
57 PPI68 PPI118 PPI
HDR Peak Brightness
#27 / 28in category
677 nits677 nits5000 nits
DCI-P3 Color Gamut
#4 / 28in category
94%99%100%
Refresh Rate120 Hz
StandardHighUltra
Size Variants
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Frequently Asked Questions
What is the optimal viewing distance for the LG B4 65"?
The optimal viewing distance for the LG B4 65" (65") is approximately 1.3m. At this distance, individual pixels become invisible to the human eye.
What is the PPI of the LG B4 65"?
The LG B4 65" has a pixel density of 68 PPI (pixels per inch) with a 3840×2160 resolution on a 65" display.
Is the LG B4 65" good for home entertainment?
With 68 PPI and a 65" OLED display, the LG B4 65" is very good for home entertainment when viewed from the recommended distance of 1.3m.
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.
Last updated:
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