The
E5200 (M0) is based on
Core architecture while the
E5-2651 v2 is based on
Ivy Bridge.
Using the multithread performance as a reference, the E5200 (M0) gets a score of
22 k points while the E5-2651 v2 gets
415 k points.
Summarizing, the
E5-2651 v2 is
18.9 times faster than the
E5200 (M0). To get a proper comparison between both models, take a look to the data shown below.