neither of those two graphics options are for gaming, and certainly not for extreme gaming.
Read toms recent article on 580 Vs 580M and you might start to understand what gaming cards are like. You'll need at least $1500 for a gaming laptop, more for extreme gaming.
Unless you mean gaming whilst upside down on a cliff.
Yes they are not the very best for gaming, but they are all I can afford right now. The two computers are in the same price bracket, so which one of the two would be better. The price we talking about is about $800 - 830. Could you recommend somthing better for gaming then at those prices