The
J1900 is based on
Silvermont architecture while the
2,84GHz is based on
-.
Using the multithread performance as a reference, the J1900 gets a score of
33.2 k points while the 2,84GHz gets
79.8 k points.
Summarizing, the
2,84GHz is
2.4 times faster than the
J1900. To get a proper comparison between both models, take a look to the data shown below.