The
i5-1335U is based on
Raptor Lake architecture while the
506E8 3GHz is based on
Kaby Lake.
Using the multithread performance as a reference, the i5-1335U gets a score of
282.2 k points while the 506E8 3GHz gets
210.9 k points.
Summarizing, the
i5-1335U is
1.3 times faster than the
506E8 3GHz. To get a proper comparison between both models, take a look to the data shown below.