The
E5-2651 v2 is based on
Ivy Bridge architecture while the
7c Gen 2 is based on
Cortex-A76 / A55 (Kryo 468).
Using the multithread performance as a reference, the E5-2651 v2 gets a score of
415 k points while the 7c Gen 2 gets
37 k points.
Summarizing, the
E5-2651 v2 is
11.2 times faster than the
7c Gen 2. To get a proper comparison between both models, take a look to the data shown below.