For gaming lang ba yung sir? Ano pa ba ibang benefits ng may discrete GPU?
A few other possibilities: Multiple screens, bitstreaming audio (and, of course, multiple screens
with HD audio bitstreaming), and the fact that even non-gaming applications tend to be accelerated thanks to a proc being freed up more to concentrate on non-video processing.
CONS: cost, power consumption, and the little fact that most people don't really need a discrete video card.