P and E cores were around on arm at least a decade before Alderlake released. I remember being told to hold out for Haswell because it was rumored to have big a

P and E cores were around on arm at least a decade before Alderlake released. I remember being told to hold out for Haswell because it was rumored to have big and little cores like arm cpus; enabling your computer to use minimal power to check for mailbox updates.