Meanwhile: https://www.tomshardware.com/pc-components/cpus/30-percent-o...

They're increasingly loosing ground in the x86 market, but still have more than two thirds of it. They never fell behind, but they are on a path to do so, which means they aren't on a comeback either.

Their biggest problem isn't that they are failing x86, it's that they are way behind in the GPU compute market.