4 ms·All modern CPUs have the AES instruction set, which makes the encryption almost transparent in terms of speed.by amq 10y agoAll modern CPUs have the AES instruction set, which makes the encryption almost transparent in terms of speed.lnalx 10y agoMobile phones included ?floatboth 10y agoARMv8 phones like Nexus 5X/6P definitely do have AES instructions. These phones in particular have encrypted storage out of the box.