New Tesla Model S is rumored [1] to use latest AMD Ryzen chipset. Even Model 3 and Model Y are using 14nm Intel Gordon Peak chips.
[1] https://wccftech.com/amd-navi-23-rdna-2-gpu-reportedly-power...
[1] https://wccftech.com/amd-navi-23-rdna-2-gpu-reportedly-power...