Yeah the namekians are like the polar opposites of the saiyans
1a:see the sayins are a violent race bent on ruling the universe with a galactic ion beam shot from the fist of one supreme ruler.
1b:the namekians are cool with chillen on their planet with their enormous dragon ballz
2a:Sayins love to eat and do so a lot so they can keep going.
2b:namekians rarley eat anything you saw everyone in the show exept piccolo eat or drink somthing
3a: sayins use Ki to blow crap up
3b: namekians use ki like magic hence piccalos CLOTHES BEAM!!
anyway im sure there are more but these are the ones i could think of so far.