The
90671 is based on
Alder Lake architecture while the
3950X is based on
Zen 2.
Using the multithread performance as a reference, the 90671 gets a score of
878.6 k points while the 3950X gets
959.8 k points.
Summarizing, the
3950X is
1.1 times faster than the
90671. To get a proper comparison between both models, take a look to the data shown below.