The
906ED 2.1GHz is based on
Comet Lake architecture while the
i5-9600KF is based on
Coffee Lake.
Using the multithread performance as a reference, the 906ED 2.1GHz gets a score of
657.2 k points while the i5-9600KF gets
371.1 k points.
Summarizing, the
906ED 2.1GHz is
1.8 times faster than the
i5-9600KF. To get a proper comparison between both models, take a look to the data shown below.