LG OLED65C4PUA vs Samsung QN77S90FAFXZA
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Choosing between the LG OLED65C4PUA and Samsung QN77S90FAFXZA? Both compete in the TV segment. Here’s how they compare across the specs that matter most for your home theater.
Looking at overall performance dimensions: The LG OLED65C4PUA scores higher in value, video quality, form factor, room fit. They score similarly in gaming performance, ease of use, future-proofing.
On the display side, the LG OLED65C4PUA uses a WOLED panel while the Samsung QN77S90FAFXZA uses QD-OLED, and screen sizes differ at 65" vs 77". Panel technology significantly impacts contrast, color accuracy, and viewing angles.
The LG OLED65C4PUA holds an advantage across more performance dimensions, but the Samsung QN77S90FAFXZA may still be the better pick depending on which specs matter most to your setup. See the detailed comparison table below for the full breakdown.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | $2,699.99 | N/A |
| Screen Size | 65" | 77" |
| Resolution | 4K | 4K |
| Panel Type | WOLED | QD-OLED |
| Backlight Type | none | none |
| Native Contrast Ratio | Infinite | Self-illuminating pixels |
| HDR Formats | HDR10, Dolby Vision, HLG | HDR10, HLG |
| Refresh Rate | 120Hz | 120Hz |
| VRR | Yes | Yes |
| VRR Type | FreeSync+G-Sync | FreeSync |
| ALLM | Yes | Yes |
| Smart OS | webOS | Tizen |
| Speaker Config | 2.2 | 2.1 |
| Dolby Atmos (Speakers) | Yes | Yes |
| HDMI Total Ports | 4 | 4 |
| HDMI 2.1 Ports | 4 | 4 |
| eARC Port | Yes | No |
| VESA Pattern | — | 400x300 |
| Processor | α9 AI Processor 4K Gen7 | NQ4 AI Gen3 Processor |
| Model Year | — | — |
Key Differences
- Series Name: LG OLED65C4PUA at C4 vs Samsung QN77S90FAFXZA at S90F
- Processor: LG OLED65C4PUA at α9 AI Processor 4K Gen7 vs Samsung QN77S90FAFXZA at NQ4 AI Gen3 Processor
- USB Type: LG OLED65C4PUA at 3ea (v 2.0) vs Samsung QN77S90FAFXZA at 3 x USB-A
- Panel Type: LG OLED65C4PUA at WOLED vs Samsung QN77S90FAFXZA at QD-OLED
- HDR Formats: LG OLED65C4PUA at HDR10, Dolby Vision, HLG vs Samsung QN77S90FAFXZA at HDR10, HLG
Which Should You Choose?
Choose LG OLED65C4PUA if you want:
- + better depth (w/ stand)
- + lighter weight
- + lighter weight
- + lower power draw
Choose Samsung QN77S90FAFXZA if you want:
- + larger screen
See Where These Rank
Check our editorial rankings to see how LG OLED65C4PUA and Samsung QN77S90FAFXZA compare to the rest of the field.
Best TV Rankings
