Galaxy's GTX 770 GC 4GB doubles up on the reference card's memory while also utilizing higher clock speeds. It also happens to be one of the most expensive GTX 770 cards on the market but does the additional GDDR5 actually make a difference?
Slow computer got you down? Maybe a hardware upgrade should be in your cards, if so this guide to the Fundamentals of Upgrading a PC is an invaluable read. PCSTATS Tips