Comparison of ASUS ROG Strix Radeon RX 580 video card vs KFA2 GeForce GTX 1070 EX Black Edition video card by specifications and benchmarks. ASUS ROG Strix Radeon RX 580 runs at 1.257 GHz base clock speed and has 8 GB of GDDR5 memory, while video card KFA2 GeForce GTX 1070 EX Black Edition runs at 1.518 GHz+ 1 % base clock speed and has 8 GB of GDDR5 memory. The TDP of the first video card is 185 W, and the second is 150 W. Compare the table of benchmark results to find out which graphic card is better.