The
6100 is based on
Bulldozer architecture while the
E5-2651 v2 is based on
Ivy Bridge.
Using the multithread performance as a reference, the 6100 gets a score of
65.3 k points while the E5-2651 v2 gets
426.2 k points.
Summarizing, the
E5-2651 v2 is
6.5 times faster than the
6100. To get a proper comparison between both models, take a look to the data shown below.