Compare and contrast total station and differential GPS?

G P S work from satlight and also give autamatic sc and also in side the bulding du to low qualty of signal and hair arement dose not work thir for com mor error so total station is batter laca and trinble are batter than sokiya topkon and sokkiya and other kind of total station lik geo master nikon and also ite depend on the acoracy of machine either its a 5" 6" or 1"