I have an old laptop bought in 2009. It had Vista on it at the time - UGH - and it was bought at an
Argos clearance outlet so it may be up to 15 years old.
It has a single core 2GHz Celeron and I have upped the mem to 2G from 1G.
My main system is Mint 20 running on a quad core i5 at 3.5GHz...