The
4417U is based on
Kaby Lake architecture while the
G645 is based on
Sandy Bridge.
Using the multithread performance as a reference, the 4417U gets a score of
41.1 k points while the G645 gets
35.4 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.