Comparison of XFX Radeon RX 580 GTS Black Edition 8GB video card vs GIGABYTE GeForce GTX 1060 Mini ITX OC 6G video card by specifications and benchmarks. XFX Radeon RX 580 GTS Black Edition 8GB runs at 1.257 GHz base clock speed and has 8 GB of GDDR5 memory, while video card GIGABYTE GeForce GTX 1060 Mini ITX OC 6G runs at 1.531 GHz+ 2 % base clock speed and has 6 GB of GDDR5 memory. The TDP of the first video card is 185 W, and the second is 120 W. Compare the table of benchmark results to find out which graphic card is better.