The
i7-720QM is based on
Nehalem architecture while the
T2450 is based on
Mobile.
Using the multithread performance as a reference, the i7-720QM gets a score of
38.8 k points while the T2450 gets
11.4 k points.
Summarizing, the
i7-720QM is
3.4 times faster than the
T2450. To get a proper comparison between both models, take a look to the data shown below.