View: https://www.youtube.com/watch?v=IDKzCsC9Svs
View: https://www.youtube.com/watch?v=KwzwEv4m-Og
amd or intel those 2 video, and many video in youtube saying that even in dual channel 4x4 is more perfomance, can't undestand why.. this diffrenece is still like this even in old processors?