Which is why Intel is an also-ran in mobile computing and IoT despite all the ressources it poured into it, I suppose? The sheer amount of legacy in x86 is why

Which is why Intel is an also-ran in mobile computing and IoT despite all the ressources it poured into it, I suppose? The sheer amount of legacy in x86 is why those CPUs are so inefficient and require so much cooling. ARM would not have emerged if not for its superior efficiency.