The
E3-1225 is based on
Sandy Bridge architecture while the
M1 is based on
-.
Using the multithread performance as a reference, the E3-1225 gets a score of
69 k points while the M1 gets
142.3 k points.
Summarizing, the
M1 is
2.1 times faster than the
E3-1225. To get a proper comparison between both models, take a look to the data shown below.