So you’re arguing that there is some magic secret sauce in the x86 ISA that makes it impossible for an ARM ISA CPU to match high end performance? The answer is

So you’re arguing that there is some magic secret sauce in the x86 ISA that makes it impossible for an ARM ISA CPU to match high end performance? The answer is no. The question of how to scale them to the level of high end x86 desktop processors is absolutely not open. It’s clearly a solved problem.