Total War: Shogun 2
For Total War: Shogun 2 we used the huge battle of the 'DX9 CPU' test modified for DX11 at 1920*1080 and with high graphics settings.
In Shogun 2 the i7-3960X is 17.9% faster than the i7-990X and 3.6% faster than the 2600K.
Unfortunately we can’t give you a score for the AMD FXs in this game. On this processor the game crashes on start-up, a bug we’ve told AMD about and which also exists in other games also using Steam's CEG protection (Deux Ex: Human Revolution). AMD knows about the problem and is working on a correction but it isn’t yet available.
Starcraft II v1.3.6
For Starcraft II a major attack during a replay was generously donated by some of the French forum users (thanks!). This replay contained a very (very) full-on attack and we measured its framerate at a resolution of 1920*1080 with all graphics settings pushed to a max.
All the processors were brought to their knees in this test, which is in practice even more extreme than the one used in Shogun 2. The Core i7-3960X has a lead of 16.5% over the 990X here but is down very slightly on the 2600K.
Anno 1404 v1.3
Lastly in Anno 1404 we loaded a saved game with a city of 46,600 inhabitants that we partly visualize from a distance. The resolution was 1920*1080 and all graphics settings were pushed to a maximum.
Here the 3960K gives a 13.7% gain on the 990X, with performance up by 5.7% on the 2600K.