Comparison of GIGABYTE Radeon RX 580 Gaming 8G MI video card vs KFA2 GeForce GTX 1070 KATANA video card by specifications and benchmarks. GIGABYTE Radeon RX 580 Gaming 8G MI runs at 1.257 GHz base clock speed and has 8 GB of GDDR5 memory, while video card KFA2 GeForce GTX 1070 KATANA 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.