The
5500 is based on
Zen 3 architecture while the
E5-2651 v2 is based on
Ivy Bridge.
Using the multithread performance as a reference, the 5500 gets a score of
324 k points while the E5-2651 v2 gets
426.2 k points.
Summarizing, the
E5-2651 v2 is
1.3 times faster than the
5500. To get a proper comparison between both models, take a look to the data shown below.