LG B4 65" vs LG C5 65"
Side-by-side comparison of viewing distance, PPI, and specifications
Category Ranking
Pixel Density (PPI)28in category
LG B4 65"68 PPI #8
LG C5 65"68 PPI #8
57 PPI118 PPI
HDR Peak Brightness28in category
LG B4 65"677 nits #27
LG C5 65"1200 nits #23
677 nits5000 nits
DCI-P3 Color Gamut28in category
LG B4 65"99% #4
LG C5 65"97% #15
94%100%
Refresh Rate
LG B4 65"120 Hz
LG C5 65"144 Hz
StandardHighUltra
Summary
- Sharpness: identical — Both screens are retina at 250cm with identical pixel density (68 PPI). No difference in sharpness.
- Brightness: advantage LG C5 65" — Similar SDR brightness (374 vs 340 nits), but the LG C5 65" leads in HDR peak (1200 vs 677 nits).
- Upgrade: LG C5 65" vs LG B4 65" — Display gains from LG B4 65" to LG C5 65": +77% HDR (1200 vs 677 nits), 144 vs 120 Hz.
Key Differences
| Specification | LG B4 65" | LG C5 65" |
|---|---|---|
| SDR Brightness | 374 nits | 340 nits |
| Color Gamut | sRGB 100% · DCI-P3 99% · Adobe RGB 97% | sRGB 100% · DCI-P3 97% · Adobe RGB 95% |
| Refresh Rate | 120 Hz | 144 Hz |
| HDR Peak Brightness | 677 nits | 1200 nits |
| Year | 2024 | 2025 |
All specifications
| Specification | LG B4 65" 2024 | LG C5 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 | OLED |
| Viewing Angle | 178° | 178° |
| Aspect Ratio | 16:9 | 16:9 |
| Refresh Rate | 120 Hz | 144 Hz (Better) |
| Variable Refresh Rate (VRR) | FreeSync Premium | FreeSync Premium |
| Response Time | 0.1 ms GTG | 0.1 ms GTG |
| HDR Certification | None | None |
| SDR Brightness | 374 nits (Better) | 340 nits |
| HDR Peak Brightness | 677 nits | 1200 nits (Better) |
| Contrast Ratio | 1:1,000,000 | 1:1,000,000 |
| Ports | 4x HDMI | 4x HDMI |
| Color Gamut | sRGB 100% · DCI-P3 99% · Adobe RGB 97% (Better) | sRGB 100% · DCI-P3 97% · Adobe RGB 95% |
| Year | 2024 | 2025 (Better) |
Frequently Asked Questions
Which has better PPI: LG B4 65" or LG C5 65"?
Both have 68 PPI.
Which has a closer optimal viewing distance?
Both require 1.3m 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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