"Intel Architecture 64" is Itanium. Calling x64 "Intel 64 Architecture" is like MS trying to steal the thunder of Open Office ODF with OOXML.

probably

but also it's a stretch in general as for personal computers arm is the dominant platform since years (there are way more phones, tablets, etc. then x86 laptops/desktops by now, all of which fit the original definition of personal computer)