Which mobile GPU is better?

you mean the GTX 850m and GT 650m? if yes, the GTX 850m is a more powerful GPU, stronger than the 650m in mostly all aspects.
 


Dont you mean gddr5?
if you knew that you wouyldnt have to ask the question, but there could have been other info you where looking for 😀

Have a nice day with your future laptop! ;D