The
G645 is based on
Sandy Bridge architecture while the
4417U is based on
Kaby Lake.
Using the multithread performance as a reference, the G645 gets a score of
35.4 k points while the 4417U gets
41.1 k points.
Summarizing, the
4417U is
1.2 times faster than the
G645 . To get a proper comparison between both models, take a look to the data shown below.