The
E8200 is based on
Core architecture while the
G645 is based on
Sandy Bridge.
Using the multithread performance as a reference, the E8200 gets a score of
25.4 k points while the G645 gets
35.4 k points.
Summarizing, the
G645 is
1.4 times faster than the
E8200 . To get a proper comparison between both models, take a look to the data shown below.