The ASUS Mars 760 features a pair of GeForce GTX 760 GPUs and 4GB of GDDR5 video memory. With dual-cooling fans and DirectCU II cooling technology, it also boasts of ASUS' Digi+ VRM, coupled with a 12-phase power delivery design. Find out if it can outgun the fastest single GPU graphics card, the GeForce GTX 780 Ti.