The
i7-7660U is based on
Kaby Lake architecture while the
90671 is based on
Alder Lake.
Using the multithread performance as a reference, the i7-7660U gets a score of
132.8 k points while the 90671 gets
878.6 k points.
Summarizing, the
90671 is
6.6 times faster than the
i7-7660U. To get a proper comparison between both models, take a look to the data shown below.