Comment Even some x86 CPUs contain ARM (Score 2) 65
AMD's new x86 Zen CPUs contain an ARM based coprocessor.
Zen added the support for AMD's Secure Memory Encryption (SME) and AMD's Secure Encrypted Virtualization (SEV). Secure Memory Encryption is real time memory encryption done per page table entry. This is done utilizing the onboard "Security" Processor (ARM Cortex-A5) at boot time to encrypt each page, allowing any DDR-4 memory (including nonvolatile varieties) to be encrypted. AMD SME also makes the contents of the memory more resistant to memory snooping and cold boot attacks.
https://en.wikipedia.org/wiki/...
Then there are the new ARM-based Opterons.
http://www.amd.com/en-us/produ...