The
E5-2651 v2 is based on
Ivy Bridge architecture while the
4100 is based on
Bulldozer.
Using the multithread performance as a reference, the E5-2651 v2 gets a score of
426.2 k points while the 4100 gets
44.3 k points.
Summarizing, the
E5-2651 v2 is
9.6 times faster than the
4100. To get a proper comparison between both models, take a look to the data shown below.