Which is better, a core 2 duo or a dual core processor?

Question

i am looking for a new computer and have seen both of these being advertised with computers, i would like to know which is better and how much of a performance difference there is between the two. Please no technical c**p :)

Answer 1

The core 2 duo is a newer processor.

Answer 2

definitely Core 2 duo..offers better performance ..supports some extra features which dual core doesn't...