LG 100QNED84BU vs Samsung QN75Q6FAAFXZA
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Choosing between the LG 100QNED84BU and Samsung QN75Q6FAAFXZA? 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 100QNED84BU scores higher in value, video quality, gaming performance, future-proofing. The Samsung QN75Q6FAAFXZA leads in form factor, room fit. They score similarly in ease of use.
On the display side, screen sizes differ at 100" vs 75". 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 100QNED84BU holds an advantage across more performance dimensions, but the Samsung QN75Q6FAAFXZA 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 100QNED84BU is the stronger choice — it leads in 4 of 7 scored dimensions. The Samsung QN75Q6FAAFXZA makes more sense if you prioritize the 2 dimensions where it leads.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | N/A | N/A |
| Screen Size | 100" | 75" |
| Resolution | 4K | 4K |
| Panel Type | VA | VA |
| Backlight Type | mini-LED | direct-lit |
| Native Contrast Ratio | — | Mega Contrast |
| HDR Formats | HDR10, Dolby Vision, HLG | HDR10, HLG |
| Refresh Rate | 120Hz | 60Hz |
| VRR | Yes | Yes |
| VRR Type | FreeSync | — |
| ALLM | Yes | Yes |
| Smart OS | webOS | Tizen |
| Speaker Config | 2.2 | — |
| Dolby Atmos (Speakers) | Yes | No |
| HDMI Total Ports | 4 | 3 |
| HDMI 2.1 Ports | 4 | 1 |
| eARC Port | Yes | No |
| VESA Pattern | 600x400 | 400x300 |
| Processor | α8 AI Processor 4K Gen3 | Q4 Lite Processor |
| Model Year | — | — |
Key Differences
- Processor: LG 100QNED84BU at α8 AI Processor 4K Gen3 vs Samsung QN75Q6FAAFXZA at Q4 Lite Processor
- USB Type: LG 100QNED84BU at 2ea (v 2.0) vs Samsung QN75Q6FAAFXZA at 1 x USB-A
- Series Name: LG 100QNED84BU at QNED84 vs Samsung QN75Q6FAAFXZA at Q6F
- HDR Formats: LG 100QNED84BU at HDR10, Dolby Vision, HLG vs Samsung QN75Q6FAAFXZA 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.
- HDMI 2.1 Ports: LG 100QNED84BU at 4 vs Samsung QN75Q6FAAFXZA at 1. HDMI 2.1 supports 4K/120Hz, VRR, and ALLM. You need one per gaming console or device that outputs above 4K/60.
Which Should You Choose?
Choose LG 100QNED84BU if you want:
- + larger 100" screen for more immersive viewing
- + better refresh rate — 120 Hz provides noticeably smoother motion for sports and gaming
- + better native refresh rate
- + better hdmi total ports
Choose Samsung QN75Q6FAAFXZA if you want:
- + lighter weight for easier placement
- + lighter weight for easier placement
See Where These Rank
Check our editorial rankings to see how LG 100QNED84BU and Samsung QN75Q6FAAFXZA 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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