Sony X80K 55" (LED) vs Vizio V-Series 43"
The Verdict
Sony's X80K 55-incher delivers superior performance across nearly every metric, featuring a larger 55-inch display with 500 nits of brightness compared to Vizio's 43-inch panel at 250 nits,a critical advantage for contrast and HDR performance. Sony's Direct LED backlighting provides better local dimming than Vizio's edge-lit design, while the 20W dual-channel audio with Dolby Atmos surpasses Vizio's 16W setup. Both match 60Hz refresh rates and 16ms input lag, making them equally mediocre for gaming, though neither supports VRR. Picture quality heavily favors Sony due to superior brightness, better color volume, and more robust local dimming. Vizio edges slightly on audio codec support (HDR10+) and has a newer Bluetooth 5.0 chipset, but these don't offset Sony's visual dominance. At $699 versus $199, Sony's X80K justifies the premium for substantially better picture quality and audio. Vizio suits budget-conscious buyers accepting smaller screens and dimmer panels.
Who Should Buy
Buy the Sony X80K 55" (LED) if…
- →Sony's X1 processor delivers noticeably better image processing than budget competitors
- →Dolby Vision and Dolby Atmos provide a premium HDR experience
- →Google TV with Chromecast built-in handles streaming beautifully
Buy the Vizio V-Series 43" if…
- →4K Dolby Vision TV for under $200 is the cheapest way to get premium HDR
- →Chromecast and AirPlay 2 built-in for wireless casting
- →Perfect size for bedrooms, kitchens, or small apartments
Category Scores
Pros & Cons
Sony X80K 55" (LED)
Pros
- Sony's X1 processor delivers noticeably better image processing than budget competitors
- Dolby Vision and Dolby Atmos provide a premium HDR experience
- Google TV with Chromecast built-in handles streaming beautifully
- Triluminos Pro color engine produces natural, accurate colors
- Four HDMI ports for connecting multiple devices
Cons
- 60Hz panel with no VRR — not for gaming
- 500 nits brightness limits HDR impact
- Edge-lit LED without local dimming has poor contrast
- 20W audio is thin and tinny
- Bluetooth 4.2 limits wireless audio options
Vizio V-Series 43"
Pros
- 4K Dolby Vision TV for under $200 is the cheapest way to get premium HDR
- Chromecast and AirPlay 2 built-in for wireless casting
- Perfect size for bedrooms, kitchens, or small apartments
- Light enough to mount anywhere at 16 lbs
- Dolby Vision + HDR10+ support punches above its price
Cons
- 250-nit brightness means HDR is barely noticeable
- 60Hz — no gaming features whatsoever
- SmartCast OS is slow and occasionally buggy
- 16W speakers are very quiet — external audio is needed
Full Specifications
| Spec | Sony X80K 55" (LED) | Vizio V-Series 43" |
|---|---|---|
| Body | ||
| VESA mount | 300 x 300mm | 200 x 200mm |
| Weight | 29.1 lbs | 16.3 lbs |
| Dimensions | 48.7 x 28.3 x 3.0 inches | — |
| Dimensions (w/ stand) | 48.7 x 30.5 x 9.4 inches | 38.0 x 24.6 x 8.1 inches |
| Audio | ||
| Output (watts) | 20 | 16 |
| Speakers | 2.0ch | 2.0ch |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 16 | 16 |
| Display | ||
| HDR | Dolby Vision, HDR10, HLG | Dolby Vision, HDR10+, HLG |
| Size | 55" | 43" |
| Type | Direct LED (IPS / VA varies by size) | LED |
| Resolution | 3840 x 2160 (4K) | 3840 x 2160 (4K UHD) |
| Refresh rate | 60Hz | 60Hz |
| Brightness (nits) | 500 | 250 |
| Smart TV | ||
| Os | Google TV | SmartCast OS |
| Voice assistant | Google Assistant, Alexa | Google Assistant, Apple AirPlay 2, Chromecast |
| Connectivity | ||
| Wi-Fi | Wi-Fi 5 | Wi-Fi 5 (802.11ac) |
| Ethernet | ||
| Bluetooth | 4.2 | 5.0 |
| USB ports | 2 | 1 |
| HDMI ports | 4 | 3 |
| Processor | ||
| Chipset | — | IQ Processor |
Related Comparisons
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 X80K 55" (LED) or the Vizio V-Series 43".

