The
i5-6400 is based on
Skylake architecture while the
M1 is based on
-.
Using the multithread performance as a reference, the i5-6400 gets a score of
129.5 k points while the M1 gets
142.3 k points.
Summarizing, the
M1 is
1.1 times faster than the
i5-6400 . To get a proper comparison between both models, take a look to the data shown below.