> so few performance cores and so many efficiency cores I was baffled by this too but what they don't make clear is the performance cores have hyperthreading t

> so few performance cores and so many efficiency cores I was baffled by this too but what they don't make clear is the performance cores have hyperthreading the efficiency cores do not. So what they call 2P+4E actually becomes an 8 core system as far as something like /proc/cpuinfo is concerned. They're also the same architecture so code compiled for a particular architecture will run on either core set and can be moved from one to the other as the scheduler dictates.