Sony X90K 65" (Full Array LED) vs Vizio P-Series Quantum 65"
The Verdict
Both 65-inch 4K TVs deliver exceptional value at their price points, each with distinct strengths. Sony's X90K ($1099) features superior brightness at 1200 nits, Dolby Atmos audio through a dedicated 2.0ch Acoustic Multi-Audio system, and Google TV's refined interface with dual voice assistant support. Vizio's P-Series Quantum ($999) counters with Wi-Fi 6 connectivity, Bluetooth 5.0, HDR10+ support, and its proven Quantum Color technology for rich color performance. Gaming specs are identical,120Hz refresh, 8ms input lag, VRR/ALLM support. Picture quality differences are marginal; both employ full-array LED dimming with VA LCD panels reaching 1200 nits. Audio is comparable at 20W each, though Sony includes Dolby Atmos while Vizio omits it. For $100 less, Vizio offers modern connectivity and strong performance. Sony justifies its premium through superior audio implementation and slightly refined UI experience. Choose Vizio for budget-conscious buyers prioritizing connectivity; select Sony if audio quality and Google TV's ecosystem matter most.
Who Should Buy
Buy the Sony X90K 65" (Full Array LED) if…
- →Excellent Sony image processing at a competitive mid-range price
- →Full Array Local Dimming provides solid contrast for an LED TV
- →Dolby Vision and Dolby Atmos for home theater HDR experience
Buy the Vizio P-Series Quantum 65" if…
- →Strong price-to-performance — quantum dot color and FALD at $999
- →Both Dolby Vision and HDR10+ support all HDR content
- →120Hz with VRR and ALLM for console and PC gaming
Category Scores
Pros & Cons
Sony X90K 65" (Full Array LED)
Pros
- Excellent Sony image processing at a competitive mid-range price
- Full Array Local Dimming provides solid contrast for an LED TV
- Dolby Vision and Dolby Atmos for home theater HDR experience
- 120Hz with VRR and ALLM — capable gaming display
- Google TV with Chromecast built-in for seamless streaming
Cons
- Only 2 of 4 HDMI ports support 4K@120Hz
- 20W audio is very weak — soundbar essential
- Bluetooth 4.2 and Wi-Fi 5 are behind current standards
- Some blooming visible with full array backlighting in dark scenes
Vizio P-Series Quantum 65"
Pros
- Strong price-to-performance — quantum dot color and FALD at $999
- Both Dolby Vision and HDR10+ support all HDR content
- 120Hz with VRR and ALLM for console and PC gaming
- 1200 nits peak brightness makes HDR content pop
- Wide color gamut with quantum dot enhancement
Cons
- SmartCast platform is slow and has limited apps compared to Google TV
- 20W audio is very weak — a soundbar is essential
- Build quality and remote feel budget-oriented
- Vizio software support and updates can be inconsistent
Full Specifications
| Spec | Sony X90K 65" (Full Array LED) | Vizio P-Series Quantum 65" |
|---|---|---|
| Body | ||
| VESA mount | 300 x 300mm | 300 x 300mm |
| Weight | 46.3 lbs | 44.7 lbs |
| Dimensions | 57.2 x 33.1 x 2.7 inches | 56.9 x 32.9 x 3.0 inches |
| Dimensions (w/ stand) | 57.2 x 35.3 x 12.0 inches | 56.9 x 35.3 x 12.0 inches |
| Audio | ||
| Output (watts) | 20 | 20 |
| Speakers | 2.0ch Acoustic Multi-Audio | 2.0ch |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 8 | 8 |
| Display | ||
| HDR | Dolby Vision, HDR10, HLG | Dolby Vision, HDR10+, HDR10, HLG |
| Size | 65" | 65" |
| Type | Full Array LED (VA LCD) | Quantum Color LED (VA LCD, Full Array Local Dimming) |
| Resolution | 3840 x 2160 (4K) | 3840 x 2160 (4K) |
| Refresh rate | 120Hz | 120Hz |
| Brightness (nits) | 1200 | 1200 |
| Smart TV | ||
| Os | Google TV | SmartCast (Chromecast built-in) |
| Voice assistant | Google Assistant, Alexa | Google Assistant, Alexa (via voice remote) |
| Connectivity | ||
| Wi-Fi | Wi-Fi 5 | Wi-Fi 6 |
| Ethernet | ||
| Bluetooth | 4.2 | 5.0 |
| USB ports | 2 | 1 |
| HDMI ports | 4 | 4 |
Related Comparisons
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- Vizio P-Series Quantum 65" vs TCL 5-Series S555 65" (QLED)
- Vizio P-Series Quantum 65" vs Sony X90L 65"
- Sony X90K 65" (Full Array LED) vs Vizio OLED 55"
This comparison is based on verified manufacturer specifications covering display, performance, camera, battery, and build quality. Scores are generated by analyzing specs across weighted categories on a 10-point scale. Learn more about our methodology.
Explore more in tvs, see all Sony products or all Vizio products. View full details for the Sony X90K 65" (Full Array LED) or the Vizio P-Series Quantum 65".

