I see my confusion. It says "AMD Zen 2", and when I didn't recognize the name of that CPU, I assumed it was just another ARM variation. In fact, Zen 2 is not t

I see my confusion. It says "AMD Zen 2", and when I didn't recognize the name of that CPU, I assumed it was just another ARM variation. In fact, Zen 2 is not the name of a CPU at all, but the name of a technology family of CPUs that are, as you pointed out, x86.