The
Version 2.5 is based on
- architecture while the
E5-2651 v2 is based on
Ivy Bridge.
Using the multithread performance as a reference, the Version 2.5 gets a score of
85.7 k points while the E5-2651 v2 gets
415 k points.
Summarizing, the
E5-2651 v2 is
4.8 times faster than the
Version 2.5. To get a proper comparison between both models, take a look to the data shown below.