What's the difference between Dual core and Core 2 Duo?

• Core 2 Duo is Intel's new processor architecture using 2 processors.
• Core 2 Duo processor is designed to be fast while not consuming power nearly as much as previous processors.

• Dual core is just putting two processors on one package. It's like using two heads to do a job. While one processor is doing one thing the other can simultaneously do some other thing, getting the job done faster.