The
1700X is based on
Zen architecture while the
906EC is based on
Coffee Lake.
Using the multithread performance as a reference, the 1700X gets a score of
372.7 k points while the 906EC gets
494.2 k points.
Summarizing, the
906EC is
1.3 times faster than the
1700X. To get a proper comparison between both models, take a look to the data shown below.