What is the difference between intel core i7-272QM vs intel core i7-820QM vs int

[WSkyers]

Hello,
what is the difference between intel core i7-272QM vs intel core i7-820QM vs intel core i5-460M

 

[WR2]

Hello WSkyers;

Is that first CPU actually a Core i7 2720QM?
If so the first two are quad core CPUs i5-480M is a dual core CPU.

I can find some benchmarks to help you compare performance.

 

[WR2]

Passmark CPU benchmark scores:
http://www.cpubenchmark.net/cpu_list.php

Intel Core i7-2720QM @ 2.20GHz = 7390
Intel Core i7 820QM @ 1.73GHz = 3537
Intel Core i5 M 480 @ 2.67GHz = 2769

 

[WR2]

http://www.notebookcheck.net/Mobile-Processors-Benchmarklist.2436.0.html
In that long list of CPUs you can find Core i7 2720QM #12 / Core i7 840QM #21 / Core i5 480M #39
You'll also find comparisons with the other notebook and desktop CPUs.