The
506E8 is based on
Kaby Lake architecture while the
3580U Microsoft Surface (R) Edition is based on
Zen+.
Using the multithread performance as a reference, the 506E8 gets a score of
211.6 k points while the 3580U Microsoft Surface (R) Edition gets
174.2 k points.
Summarizing, the
506E8 is
1.2 times faster than the
3580U Microsoft Surface (R) Edition. To get a proper comparison between both models, take a look to the data shown below.