What's the difference between Intel Core 2 Duo, Intel Core i5, and Intel Core i7?

intel core 2 duo is a dual core it is use for simple work or for regular gaming

intel intel core i5 available in both dual and quad core.core i5 for watching 3D

movies,movie edition and for hard core gaming.

core i7 is a quad core and six core and it also has 8 or 12 hyper Threads

core i7 is for home theater or home server and for rely hard core(Max setting)

gaming.

Corei7 a lot better from these other two but it depend on u what u need

Core i7 is better but it also more expensive than other

i hope this will help u

Child, mother, father... as in strength and how much they can do ...umm unless the mother is a body builder...