The
906ED 2.1GHz is based on
Comet Lake architecture while the
i7-5820K is based on
Haswell.
Using the multithread performance as a reference, the 906ED 2.1GHz gets a score of
499.5 k points while the i7-5820K gets
129.1 k points.
Summarizing, the
906ED 2.1GHz is
3.9 times faster than the
i7-5820K . To get a proper comparison between both models, take a look to the data shown below.