Crysis
An absolute must in terms of gaming, Crysis was tested with its 1.2 patch (optimized for multi-GPU systems). We carried out the internal test in DirectX 9 High mode (forced via the addition of ‘’–dx9’’ behind the executable) and in DirectX 10 Very High.
In 2560x1600, except for the GeForce 8800 Ultras in SLI, all cards suffer from a lack of memory which limits or reduces performances. CrossFire X adds gains with up to three GPUs but they are much less than with Nvidia solutions. Triple and quad SLI finish neck and neck.
With anti-aliasing 4x, don’t plan on playing in 2560x1600 as no solution offers this capability. Otherwise, in 1920x1200 CrossFire X has a lot of problems. Triple and quad SLI do better, as the first is more at ease due to its larger memory and despite the advantage in calculation power of quad SLI.
In DirectX 10 and with all details pushed to a maximum, no solution allows getting close to playing in 2560x1600. In 1920x1200, as long as you don’t concentrate too much on fluidity, it’s almost possible to play in triple or quad SLI.
Finally, in DirectX 10 and with anti-aliasing 4x, only the 3 GeForce 8800 Ultras manage in 1920x1200, while in 2560x1600 it was impossible to finish the test. Strangely, triple CrossFire X has more difficulty here than quad CrossFire X.
