No
The i7 is a 64 bit processor.
No , you cannot change the CPU on any laptops
Currently the i7 is the best processor you can get, if you have the money to spend on one I suggest that you do.
Yes, they function with the same processor.
the i in i series processor stands for ITANIUM. so the full form of i7 is itanium7
Intel i7 processor
I7 Processors use socket LGA775.
At this point it would be I7-3930K or I7-3960X.
Depends on the processor.
Irdk
I7
Lenovo y580 i7