Between those two the AMD laptop is superior for gaming. AMD integrated graphics kick the crap out of anything intel has to offer right now, and can be on par with lower end discrete cards. However, this laptop,http://www.newegg.com/Product/Product.aspx?Item=N82E16834215663&Tpk=acer%20aspire%20v3%20551g
offers better gaming performance than either... it has a better AMD IGP that can be crossfired with the dedicated 7670m, giving you really good gaming performance. It's also cheaper. If you want more RAM you can just buy a 4GB DDR3 DIMM to add in.