Vigile writes: AMD is releasing its fastest single GPU graphics card today, the $549 R9 290X based on a new, 6.2 billion transistor GPU called Hawaii. The brand new part has 2,816 stream processors and has a peak theoretical performance of 5.6 TFLOPS. PC Perspective has done a full round of testing on the card to see where it stacks up and it does in fact beat the GeForce GTX 780, a card that costs $100 more. In fact, it also compares well to the $999 GTX TITAN flagship. Maybe more interesting is the completely redesigned CrossFire integration that no longer uses a bridge and fixes the CrossFire + Eyefinity/4K pacing issues that have plagued AMD for some time. As it turns out, with this new hardware, 4K tiled display CrossFire appears to be corrected.