going to build a second computer
how does a semptron compare to a athlonxp of same size?
seems like the athlon is getting moved out in favor of semptron.
this would be a good place to start: http://www.amd.com/us-en/
the trick is to learn about FSB (front side bus) speeds and L2cache sizes, then you will get an idea of what the difference between the 2 types of processor are, and how they match up.