Samsung QN77S84FAEXZA vs Sony XR75X90L
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Choosing between the Samsung QN77S84FAEXZA and Sony XR75X90L? 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 Samsung QN77S84FAEXZA scores higher in value, video quality, form factor, future-proofing. The Sony XR75X90L leads in room fit. They score similarly in gaming performance, ease of use.
On the display side, the Samsung QN77S84FAEXZA uses a QD-OLED panel while the Sony XR75X90L uses VA, and screen sizes differ at 77" 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 Samsung QN77S84FAEXZA holds an advantage across more performance dimensions, but the Sony XR75X90L 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 QN77S84FAEXZA is the stronger choice — it leads in 4 of 7 scored dimensions. The Sony XR75X90L makes more sense if you prioritize the 1 dimension where it leads.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
Samsung S84F OLED TV 77-Inch 4K Smart with Vision AI in Graphite Black
Sony BRAVIA XR 75” Class X90L Full Array LED 4K HDR Google TV (2023) XR-75X90L
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | N/A | N/A |
| Screen Size | 77" | 75" |
| Resolution | 4K | 4K |
| Panel Type | QD-OLED | VA |
| Backlight Type | none | direct-lit |
| Native Contrast Ratio | Self-illuminating pixels | — |
| HDR Formats | HDR10, HLG | |
| Refresh Rate | 120Hz | 120Hz |
| VRR | Yes | Yes |
| VRR Type | FreeSync Premium | VRR |
| ALLM | Yes | Yes |
| Smart OS | Tizen | Google TV |
| Speaker Config | — | — |
| Dolby Atmos (Speakers) | Yes | No |
| HDMI Total Ports | 4 | 5 |
| HDMI 2.1 Ports | 4 | 0 |
| eARC Port | No | Yes |
| VESA Pattern | 400x300 | 300x300 |
| Processor | NQ4 AI Gen2 Processor | Cognitive Processor XR |
| Model Year | — | — |
Key Differences
- Panel Type: Samsung QN77S84FAEXZA at QD-OLED vs Sony XR75X90L 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.
- HDR Formats: Samsung QN77S84FAEXZA at HDR10, HLG vs Sony XR75X90L at . 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: Samsung QN77S84FAEXZA at Tizen vs Sony XR75X90L at Google TV
- Power (Typical): Samsung QN77S84FAEXZA at 164W vs Sony XR75X90L at 281W
- VESA Pattern: Samsung QN77S84FAEXZA at 400x300 vs Sony XR75X90L at 300x300
Which Should You Choose?
Choose Samsung QN77S84FAEXZA if you want:
- + larger 77" screen for more immersive viewing
- + better hdmi 2.1 ports — hDMI 2
- + better depth (w/ stand)
- + lighter weight for easier placement
Choose Sony XR75X90L if you want:
- + better hdmi total ports
See Where These Rank
Check our editorial rankings to see how Samsung QN77S84FAEXZA and Sony XR75X90L 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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