http://www.artstyles.org/northern-renaissance-art/
what is the difference between northern renaissance art and italian renaissance art?
what is the difference between northern renaissance and italian renaissance art?
Characteristics of Northern Renaissance art are listed at http://www.cartage.org.lb/en/themes/Arts/painting/renaiss-paint/north-renaiss/northrenaiss/northrenaiss.htm also here is an example of a northern R. painting.
For characteristics of Italian Renaissance art see http://www.huntfor.com/arthistory/renaissance/highren.htm
also go to http://courses.washington.edu/ah361/resources/summary.html and click on painting, sculpture and architecture for a summary.