The
506E8 is based on
Kaby Lake architecture while the
i9-11900KB is based on
Tiger Lake.
Using the multithread performance as a reference, the 506E8 gets a score of
211.6 k points while the i9-11900KB gets
537.2 k points.
Summarizing, the
i9-11900KB is
2.5 times faster than the
506E8. To get a proper comparison between both models, take a look to the data shown below.