LG 75QNED90UPA vs Samsung QN75QN70FAFXZA
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Choosing between the LG 75QNED90UPA and Samsung QN75QN70FAFXZA? 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 75QNED90UPA scores higher in form factor, room fit. The Samsung QN75QN70FAFXZA leads in value, video quality, gaming performance, future-proofing. They score similarly in ease of use.
The Samsung QN75QN70FAFXZA holds an advantage across more performance dimensions, but the LG 75QNED90UPA 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 Samsung QN75QN70FAFXZA is the stronger choice — it leads in 4 of 7 scored dimensions. The LG 75QNED90UPA makes more sense if you prioritize the 2 dimensions where it leads.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
LG 75QNED90UPA
Samsung QN75QN70FAFXZA
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | N/A | N/A |
| Screen Size | 75" | 75" |
| Resolution | 4K | 4K |
| Panel Type | VA | VA |
| Backlight Type | mini-LED | mini-LED |
| Native Contrast Ratio | — | Quantum Mini LED |
| HDR Formats | HDR10, HLG | |
| Refresh Rate | — | 120Hz |
| VRR | No | Yes |
| VRR Type | — | FreeSync |
| ALLM | No | Yes |
| Smart OS | webOS | Tizen |
| Speaker Config | — | — |
| Dolby Atmos (Speakers) | No | No |
| HDMI Total Ports | 0 | 4 |
| HDMI 2.1 Ports | 0 | 4 |
| eARC Port | No | No |
| VESA Pattern | — | 400x400 |
| Processor | — | NQ4 AI Gen2 Processor |
| Model Year | — | — |
Key Differences
- HDR Formats: LG 75QNED90UPA at vs Samsung QN75QN70FAFXZA at 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.
- Smart OS: LG 75QNED90UPA at webOS vs Samsung QN75QN70FAFXZA at Tizen
- Series Name: LG 75QNED90UPA at QNED90 vs Samsung QN75QN70FAFXZA at QN70F
- Local Dimming Type: LG 75QNED90UPA at — vs Samsung QN75QN70FAFXZA at Supreme UHD Dimming
- Native Contrast Ratio: LG 75QNED90UPA at — vs Samsung QN75QN70FAFXZA at Quantum Mini LED. Higher contrast means better shadow detail and more depth in dark scenes. OLED panels have effectively infinite contrast since pixels turn fully off.
Which Should You Choose?
Choose Samsung QN75QN70FAFXZA if you want:
- + better hdmi total ports
- + better hdmi 2.1 ports — hDMI 2
See Where These Rank
Check our editorial rankings to see how LG 75QNED90UPA and Samsung QN75QN70FAFXZA 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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