The newer macbooks also have significantly better I/O performance, which together with the faster CPUs and more cores might add up to a 4x difference. It's a p

The newer macbooks also have significantly better I/O performance, which together with the faster CPUs and more cores might add up to a 4x difference. It's a pity they are otherwise crappy for my work (I need a reliable keyboard, I do not want a "touch bar", I do want USB-A ports).