what can i say... i love ram.
it was a sample configuration anyway.
okay, change the ram to 2x 4gb ddr3 1600 dual channel kit.
@OP: if you have the game in possession, install it and give it a go. lower all the gfx detail to the lowest point. then slowly turn up draw distance and view distance. disabling shadows could increase fps. keep raising the settings until you reach a balance between playability and gfx settings. you could also try disabling framerate limiter and vsync - the latter might cause screen tearing though.