LG OLED77C5PUA vs Samsung QN77S90FAFXZA
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Choosing between the LG OLED77C5PUA 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 OLED77C5PUA 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 OLED77C5PUA uses a WOLED panel while the Samsung QN77S90FAFXZA uses QD-OLED. Panel technology significantly impacts contrast, color accuracy, and viewing angles.
The LG OLED77C5PUA 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 | $2,199.99 | N/A |
| Screen Size | 77" | 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 | 300x200 | 400x300 |
| Processor | α9 AI Processor 4K Gen8 | NQ4 AI Gen3 Processor |
| Model Year | — | — |
Key Differences
- Processor: LG OLED77C5PUA at α9 AI Processor 4K Gen8 vs Samsung QN77S90FAFXZA at NQ4 AI Gen3 Processor
- Series Name: LG OLED77C5PUA at C5 vs Samsung QN77S90FAFXZA at S90F
- USB Type: LG OLED77C5PUA at 3ea (v 2.0) vs Samsung QN77S90FAFXZA at 3 x USB-A
- Panel Type: LG OLED77C5PUA at WOLED vs Samsung QN77S90FAFXZA at QD-OLED
- HDR Formats: LG OLED77C5PUA at HDR10, Dolby Vision, HLG vs Samsung QN77S90FAFXZA at HDR10, HLG
Which Should You Choose?
Choose LG OLED77C5PUA if you want:
- + better depth (w/ stand)
- + lighter weight
- + lighter weight
Choose Samsung QN77S90FAFXZA if you want:
- + lower power draw
See Where These Rank
Check our editorial rankings to see how LG OLED77C5PUA and Samsung QN77S90FAFXZA compare to the rest of the field.
Best TV Rankings
