Intel iCore Processor Difference Between i3 i5 i7

DIFFERENCE BETWEEN CORE-I3,CORE-I5,CORE-I7
-> Core i3:

* Entry level processor.
* 2-4 Cores * 4 Threads
* Hyper-Threading (efficient use of processor resources)
* 3-4 MB Cache
* 32 nm Silicon (less heat and energy)

-> Core i5: * Mid range processor.

* 2-4 Cores
* 4 Threads
* Turbo Mode (turn off core if not used)
* Hyper-Threading (efficient use of processor resources)
* 3-8 MB Cache
* 32-45 nm Silicon (less heat and energy)

->Core i7: * High end processor.

* 4 Cores
* 8 Threads
* Turbo Mode (turn off core if not used)
* Hyper-Threading (efficient use of processor resources)
* 4-8 MB Cache
* 32-45 nm Silicon (less heat and energy)