LG OLED55B5PUA vs Samsung QN85Q80DAFXZA
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Choosing between the LG OLED55B5PUA and Samsung QN85Q80DAFXZA? Both compete in the TV segment. Here’s how they compare across the specs that matter most for your home theater.
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Looking at overall performance dimensions: The LG OLED55B5PUA scores higher in value, form factor, room fit. They score similarly in video quality, gaming performance, ease of use, future-proofing.
On the display side, the LG OLED55B5PUA uses a WOLED panel while the Samsung QN85Q80DAFXZA uses VA, and screen sizes differ at 55" vs 85". OLED panels produce perfect blacks by turning pixels off entirely. QD-OLED adds a quantum dot layer for wider color. VA panels offer better contrast than IPS but narrower viewing angles. Mini-LED is a backlight technology applied to LCD panels, offering thousands of dimming zones for improved contrast. Bigger isn't always better — it depends on viewing distance. THX recommends a 36-degree viewing angle; SMPTE suggests 30 degrees minimum. Our viewing distance calculator helps find the sweet spot.
The LG OLED55B5PUA holds an advantage across more performance dimensions, but the Samsung QN85Q80DAFXZA 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.
For most home theaters, the LG OLED55B5PUA is the stronger choice — it leads in 3 of 7 scored dimensions. The Samsung QN85Q80DAFXZA makes more sense if budget is the primary constraint.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | N/A | N/A |
| Screen Size | 55" | 85" |
| Resolution | 4K | 4K |
| Panel Type | WOLED | VA |
| Backlight Type | none | direct-lit |
| Native Contrast Ratio | Infinite | Direct Full Array |
| HDR Formats | HDR10, Dolby Vision, HLG | HDR10, HDR10+, HLG |
| Refresh Rate | 120Hz | 120Hz |
| VRR | Yes | Yes |
| VRR Type | FreeSync+G-Sync | FreeSync |
| ALLM | Yes | Yes |
| Smart OS | webOS | Tizen |
| Speaker Config | 2.0 | 2.2 |
| Dolby Atmos (Speakers) | Yes | Yes |
| HDMI Total Ports | 4 | 4 |
| HDMI 2.1 Ports | 4 | 4 |
| eARC Port | Yes | Yes |
| VESA Pattern | 300x200 | — |
| Processor | α8 AI Processor 4K Gen2 | NQ4 AI Gen2 Processor |
| Model Year | — | 2024 |
Key Differences
- HDR Formats: LG OLED55B5PUA at HDR10, Dolby Vision, HLG vs Samsung QN85Q80DAFXZA at HDR10, HDR10+, HLG. Dolby Vision adds dynamic metadata that adjusts brightness scene-by-scene. HDR10 is the baseline. HDR10+ is Samsung's alternative to Dolby Vision.
- Processor: LG OLED55B5PUA at α8 AI Processor 4K Gen2 vs Samsung QN85Q80DAFXZA at NQ4 AI Gen2 Processor
- Series Name: LG OLED55B5PUA at B5 vs Samsung QN85Q80DAFXZA at Q80D
- USB Type: LG OLED55B5PUA at 2ea (v 2.0) vs Samsung QN85Q80DAFXZA at 2 x USB-A
- Panel Type: LG OLED55B5PUA at WOLED vs Samsung QN85Q80DAFXZA at VA. OLED panels produce perfect blacks by turning pixels off entirely. QD-OLED adds a quantum dot layer for wider color. VA panels offer better contrast than IPS but narrower viewing angles. Mini-LED is a backlight technology applied to LCD panels, offering thousands of dimming zones for improved contrast.
Which Should You Choose?
Choose LG OLED55B5PUA if you want:
- + better depth (w/ stand)
- + lighter weight for easier placement
- + lighter weight for easier placement
Choose Samsung QN85Q80DAFXZA if you want:
- + larger 85" screen for more immersive viewing
See Where These Rank
Check our editorial rankings to see how LG OLED55B5PUA and Samsung QN85Q80DAFXZA compare to the rest of the field.
Best TV RankingsRelated Calculators
Specifications sourced from manufacturer datasheets and verified against retailer listings. Prices updated hourly from authorized retailers. Scoring uses our open methodology — products are never ranked, promoted, or suppressed based on affiliate commission rates.
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