Sony X85K 65" (LED) vs Vizio M-Series 55"
The Verdict
Both TVs deliver solid 4K gaming performance at different price points. Sony's 65-inch X85K commands a $999 premium with its larger screen, Direct LED backlighting supporting 700 nits brightness, and comprehensive smart TV ecosystem including dual voice assistants. Vizio's 55-inch M-Series punches above its $449 weight with superior brightness (800 nits), native 120Hz support, Wi-Fi 6 connectivity, and Quantum LED technology that provides better contrast. Gaming is competitive on both,input lag favors Vizio at 8ms versus Sony's 10ms, while both feature VRR and ALLM. Audio specs match at 20W 2.0ch, though Sony includes Dolby Atmos versus Vizio's absence. For buyers prioritizing screen size and premium ecosystem, the Sony justifies its cost; budget-conscious gamers seeking cutting-edge features and brighter HDR performance should choose the Vizio despite its smaller panel.
Who Should Buy
Buy the Sony X85K 65" (LED) if…
- →120Hz with VRR at $999 makes it a capable mid-range gaming TV
- →Wide viewing angles from IPS panel suit family viewing
- →Dolby Vision and Dolby Atmos for full HDR support
Buy the Vizio M-Series 55" if…
- →120Hz with VRR and 4K@120Hz at under $450 is great for console gamers
- →Dolby Vision and HDR10+ dual support
- →Four HDMI 2.1 ports — enough for every console and streaming device
Category Scores
Pros & Cons
Sony X85K 65" (LED)
Pros
- 120Hz with VRR at $999 makes it a capable mid-range gaming TV
- Wide viewing angles from IPS panel suit family viewing
- Dolby Vision and Dolby Atmos for full HDR support
- Sony X1 processor handles upscaling and motion well
- Google TV platform with Chromecast built-in
Cons
- IPS panel has poor black levels — contrast is a weakness
- No local dimming — black uniformity suffers in dark scenes
- 700 nits brightness is modest for HDR performance
- 20W speakers need external audio support
- Bluetooth 4.2 is dated for a 2022 TV
Vizio M-Series 55"
Pros
- 120Hz with VRR and 4K@120Hz at under $450 is great for console gamers
- Dolby Vision and HDR10+ dual support
- Four HDMI 2.1 ports — enough for every console and streaming device
- Wi-Fi 6 and Chromecast built-in for fast streaming
- Quantum color delivers better color volume than basic LED
Cons
- SmartCast OS is slow and has fewer apps than Google TV
- 800-nit brightness is adequate but not impressive for HDR
- No local dimming zones — contrast is limited
- Vizio's long-term software support and update track record is inconsistent
Full Specifications
| Spec | Sony X85K 65" (LED) | Vizio M-Series 55" |
|---|---|---|
| Body | ||
| VESA mount | 300 x 300mm | 200 x 200mm |
| Weight | 43.2 lbs | 28.0 lbs |
| Dimensions | 57.1 x 33.1 x 3.0 inches | — |
| Dimensions (w/ stand) | 57.1 x 35.8 x 13.4 inches | 48.3 x 30.4 x 10.6 inches |
| Audio | ||
| Output (watts) | 20 | 20 |
| Speakers | 2.0ch | 2.0ch |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 10 | 8 |
| Display | ||
| HDR | Dolby Vision, HDR10, HLG | Dolby Vision, HDR10+, HLG |
| Size | 65" | 55" |
| Type | Direct LED (IPS panel) | Quantum LED |
| Resolution | 3840 x 2160 (4K) | 3840 x 2160 (4K UHD) |
| Refresh rate | 120Hz | 120Hz (native) |
| Brightness (nits) | 700 | 800 |
| 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 6 (802.11ax) |
| Ethernet | ||
| Bluetooth | 4.2 | 5.0 |
| USB ports | 2 | 1 |
| HDMI ports | 4 | 4 |
| Processor | ||
| Chipset | — | IQ Active 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.
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