LG 100QNED85AU vs Sony XR55A90J
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Choosing between the LG 100QNED85AU and Sony XR55A90J? 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 100QNED85AU scores higher in video quality, future-proofing. The Sony XR55A90J leads in value, form factor, room fit. They score similarly in gaming performance, ease of use.
On the display side, the LG 100QNED85AU uses a VA panel while the Sony XR55A90J uses WOLED, and screen sizes differ at 100" vs 55". 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.
These two TV options trade wins across different dimensions. The right choice depends on which specs matter most for your room and listening preferences — review the detailed table below to decide.
For most home theaters, the Sony XR55A90J is the stronger choice — it leads in 3 of 7 scored dimensions. The LG 100QNED85AU 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 100" Class QNED evo AI QNED85A Mini LED 4K Smart TV 2025
Sony A90J 55” Class 4K HDR OLED With Google TV XR55A90J
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | $4,999.00 | N/A |
| Screen Size | 100" | 55" |
| Resolution | 4K | 4K |
| Panel Type | VA | WOLED |
| Backlight Type | mini-LED | none |
| Native Contrast Ratio | — | — |
| HDR Formats | HDR10, HLG | |
| Refresh Rate | 120Hz | 120Hz |
| VRR | Yes | Yes |
| VRR Type | FreeSync | VRR |
| ALLM | Yes | Yes |
| Smart OS | webOS | Android TV |
| Speaker Config | 2.2 | — |
| Dolby Atmos (Speakers) | Yes | No |
| HDMI Total Ports | 4 | 4 |
| HDMI 2.1 Ports | 4 | 0 |
| eARC Port | Yes | Yes |
| VESA Pattern | 600x400 | 81x11 |
| Processor | α8 AI Processor 4K Gen2 | Cognitive Processor XR |
| Model Year | — | 2021 |
Key Differences
- VESA Pattern: LG 100QNED85AU at 600x400 vs Sony XR55A90J at 81x11
- Panel Type: LG 100QNED85AU at VA vs Sony XR55A90J at WOLED. 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.
- HDR Formats: LG 100QNED85AU at HDR10, HLG vs Sony XR55A90J at . Dolby Vision adds dynamic metadata that adjusts brightness scene-by-scene. HDR10 is the baseline. HDR10+ is Samsung's alternative to Dolby Vision.
- Weight (w/o Stand): LG 100QNED85AU at 145.3lbs vs Sony XR55A90J at 41lbs
- Smart OS: LG 100QNED85AU at webOS vs Sony XR55A90J at Android TV
Which Should You Choose?
Choose LG 100QNED85AU if you want:
- + larger 100" screen for more immersive viewing
- + better hdmi 2.1 ports — hDMI 2
Choose Sony XR55A90J if you want:
- + better depth (w/ stand)
- + lighter weight for easier placement
See Where These Rank
Check our editorial rankings to see how LG 100QNED85AU and Sony XR55A90J 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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