Comparison of XFX Radeon RX 580 GTR-S Black Edition 8GB White video card vs GIGABYTE Radeon RX Vega 56 Gaming OC 8G video card by specifications and benchmarks. XFX Radeon RX 580 GTR-S Black Edition 8GB White runs at 1.257 GHz base clock speed and has 8 GB of GDDR5 memory, while video card GIGABYTE Radeon RX Vega 56 Gaming OC 8G runs at 1.170 GHz+ 1 % base clock speed and has 8 GB of HBM2 memory. The TDP of the first video card is 185 W, and the second is 250 W+ 19 %. Compare the table of benchmark results to find out which graphic card is better.