HardOCP checked out the Alien: Isolation - Video Card Performance
A quote from the article:
We look at performance in Alien: Isolation on several video cards, and compare specific features such as AA, SSAO, GPU-Accelerated Particles, and Contact Hardening Shadows. We will compare between NVIDIA and AMD and SLI and CrossFire and show you some screenshot comparisons to you know what to expect out of this game.Alien: Isolation - Video Card Performance Review @ HardOCP