The
90671 is based on
Alder Lake architecture while the
i7-6900K is based on
Broadwell.
Using the multithread performance as a reference, the 90671 gets a score of
878.6 k points while the i7-6900K gets
427.5 k points.
Summarizing, the
90671 is
2.1 times faster than the
i7-6900K . To get a proper comparison between both models, take a look to the data shown below.