The
3800XT is based on
Zen 2 architecture while the
906ED 2.1GHz is based on
Comet Lake.
Using the multithread performance as a reference, the 3800XT gets a score of
508.9 k points while the 906ED 2.1GHz gets
657.2 k points.
Summarizing, the
906ED 2.1GHz is
1.3 times faster than the
3800XT. To get a proper comparison between both models, take a look to the data shown below.