Up is the portable saw. It is mainly used by tradesmen who want visit a job site and so require the portability. An example would be carpenters. Since it's built for portability, it's generally much smaller and contains less "muscle" for it than a larger saw. This will still get through the tasks, although not all of the jobs a saw can perform, while the motors tend to be smaller. Recently the makers of portable table saws have created some big improvements that have allowed them to complete bigger projects and still have an increase in portability within the traditionalSaveEmSystem