Originally Posted by worshipme
Are you not talking about the Pentium Dual cores (E21xx series) and the C2Ds. If you are then the only difference is that the Pentium Dual cores only have 1MB of L2 Cache. They are built using the same architecture as the C2Ds.
Im not really sure what cache is.
I know in Mozilla it has an option to clear cache?
Edit: Is it something to do with memory like how much ram it uses?