I'm amazed how D2 can run so well on my five year-old Dell potato. Granted, not on its highest settings, but with all the bells and whistles turned to low or off and textures to medium, I still get 50-80 fps during conventional game play, or up to 180 fps while in orbit. It's also how I generally play Warframe, because otherwise you won't be able to see what's going onscreen