The
G645 is based on
Sandy Bridge architecture while the
N3150 is based on
Airmont.
Using the multithread performance as a reference, the G645 gets a score of
35.4 k points while the N3150 gets
31.8 k points.
Summarizing, the
G645 is
1.1 times faster than the
N3150. To get a proper comparison between both models, take a look to the data shown below.