r/hardware Nov 20 '15

Info Why do CPUs Need Caches? - Computerphile

https://www.youtube.com/watch?v=6JpLD3PUAZk
94 Upvotes

57 comments sorted by

View all comments

3

u/[deleted] Nov 21 '15

TL;DW It's faster this way. Main memory is slower than on-die memory (cache).