Found this after a quick google search
http://www.pcmag.com/article2/0,2817,2020688,00.asp
Playing games on a laptop for last 3 year. Already fried the motherboard once.
I will agree with Reckless. In a laptop your're pretty much stuck and if it's a desktop there is no limit to the hardware possibilities.
Finally, this is the place you need to be if you are in to latest hardware
https://www.facebook.com/redlinetech