I'm using a GTX 580, a 3 year old card (admittedly a very expensive one cost $500 when it was released in early 2011), I play AC4 on max at 2560x1440 and get 40fps. Before that I had a GTX 560 which is similarly old but mid tier and cost me 180dollars, I could play BF3 on mostly ultra and high at 1920x1080 and get…