Apple is working on a new version of the Apple TV that will be released in 2021 at some point, and the new set-top box that is available can support 120Hz 4K output.
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Evidence of 120Hz support was found in the tvOS 14.5 beta code by 9to5Mac, with the code containing several instances of “120Hz and” supports120Hz. “The code was found in PineBoard, Apple’s name for the Apple TV interface.
The references to 120Hz refresh rate support suggest that Apple is testing this feature for the next generation ‘Apple TV’, and it indicates that the new set-top box will use HDMI 2.1. HDMI 2.0, used for the current fifth generation ‘Apple TV’ 4K, is limited to 4K resolution at 60Hz. However, HDMI 2.1 can support 4K content at 120Hz.
As with the 120Hz refresh rate on the iPad Pro models, a 120Hz refresh rate mode on ‘Apple TV’ will allow smoother operation on 120Hz TV sets and be ideal for games where there is a lot of fast-paced action like in shooting games.
There are 120Hz TVs on the market, which people usually buy and use for gambling purposes with the latest Xbox Series X and PlayStation 5 consoles, both of which support the HDMI 2.1 specification and can output 4K video at 120Hz.
We do not yet know when the next generation ‘Apple TV’ will be launched, but rumor has it it’s a faster processor and a redesigned remote. Some rumors also suggest that Apple is planning an ‘Apple TV’ that will provide a console-like gaming experience, and 4K 120Hz support will enable the ‘Apple TV’ to better compete with the latest flagship- game consoles.