The
4800U is based on
Zen 2 architecture while the
906ED 2.1GHz is based on
Comet Lake.
Using the multithread performance as a reference, the 4800U gets a score of
356.8 k points while the 906ED 2.1GHz gets
657.2 k points.
Summarizing, the
906ED 2.1GHz is
1.8 times faster than the
4800U. To get a proper comparison between both models, take a look to the data shown below.