AMD Radeon HD 7970 CrossFire Performance Review @ HardwareHeaven.com
@ 2011/12/22This review focuses on DUAL GPU performance comparing 2x Radeon 7970 with GTX 580 in SLI... and a little GTX 590 and Radeon 6990 performance thrown in for good measure. So let's see how the 7970 does running CrossFire in games such as Arkham City and Battlefield 3.