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)