How is the art of the Northern Renaissance different from the art of the the Italian Renaissance?

There were many differences between the art of the Northern Renaissance and the Italian Renaissance. The Northern Renaissance had more religious scenes in their art while the Italian Renaissance depicted classic mythology. The Northern Renaissance paid more attention to detail in the art unlike the Italian Renaissance where they tried to be more symmetrical. Northern Renaissance used oil on panel and the Italian Renaissance fresco, tempera, and oil. Both Renaissances had great art even thought they were very different.

source:

"Italian vs. Northern Renaissance Art (Answer Key)." Daphne - A Palomar College Web Server. Web. 08 May 2010. http://daphne.palomar.edu/mhudelson/StudyGuides/ItalvsNorthRen_WA.html