The
906EC is based on
Coffee Lake architecture while the
E5-2620 v3 is based on
Haswell.
Using the multithread performance as a reference, the 906EC gets a score of
494.2 k points while the E5-2620 v3 gets
358 k points.
Summarizing, the
906EC is
1.4 times faster than the
E5-2620 v3. To get a proper comparison between both models, take a look to the data shown below.