The
506E8 3GHz is based on
Kaby Lake architecture while the
i5-4590 is based on
Haswell.
Using the multithread performance as a reference, the 506E8 3GHz gets a score of
210.9 k points while the i5-4590 gets
140 k points.
Summarizing, the
506E8 3GHz is
1.5 times faster than the
i5-4590 . To get a proper comparison between both models, take a look to the data shown below.