The
906EC is based on
Coffee Lake architecture while the
3500X is based on
Zen 2.
Using the multithread performance as a reference, the 906EC gets a score of
494.2 k points while the 3500X gets
373.6 k points.
Summarizing, the
906EC is
1.3 times faster than the
3500X. To get a proper comparison between both models, take a look to the data shown below.