Difference Between Intel Pentium Dual Core and Intel Core 2 Duo

[webguru]

I consider myself a techie but I need help understanding something....

What is the difference between Intel Pentium Dual Core, and Intel Core 2 Duo?

Thanks!

 

[13thmonkey]

dfferent and better architecture with c2d, runs cooler and faster, c2d replaced with i7/i5/i3 which runs even quicker and cooler probably

 

[diec4st]

Swap the numbers : C2D is 45nm while Pentium dual core is 65nm.