Dirt Showdown is the latest title in the franchise from Codemasters, based around the famous Colin McRae racing game series, although it no longer uses his name, since he passed away in 2007.
We selected the ULTRA preset and also toggled on 16x QCSAA, enough to bring most systems to a frame rate slideshow.
A demanding game, especially as such high image quality settings. The Core i7 970 system is a little juddery, dropping to 23 frames per second a couple of times. The Gigabyte and ASRock Z77 systems are closely matched, although the Gigabyte system has a very slight edge.