Both models
906ED 2.1GHz and
i5-10400F are based on
Comet Lake architecture.
Comet Lake was released in 2019 as a 14nm process-refinement. These models were released as 10th generation CPUs like 10nm Ice Lake. There are model with 2 to 10 cores.
Using the multithread performance as a reference, the 906ED 2.1GHz gets a score of
657.2 k points while the i5-10400F gets
370 k points.
Summarizing, the
906ED 2.1GHz is
1.8 times faster than the
i5-10400F. To get a proper comparison between both models, take a look to the data shown below.