if it wants to reach x86 level of performance then the answer is yes. in fact, it could be less efficient simply because x86 has two decades of optimizations go

if it wants to reach x86 level of performance then the answer is yes. in fact, it could be less efficient simply because x86 has two decades of optimizations going for it. you notice they keep comparing against previous gen and not the state of the art x86 performance numbers??