My prediction is that within 5–10 years, we'll be seeing ARM/Apple CPUs at the core of their laptops, low-end desktops, and even their top of the line Mac Pro.

My prediction is that within 5–10 years, we'll be seeing ARM/Apple CPUs at the core of their laptops, low-end desktops, and even their top of the line Mac Pro. Powerful x86 CPUs will be still be available in the Mac Pro and implemented as an "accelerator" card.