Comparison of XFX Radeon RX Vega 64 Black Fan video card vs AMD RX Vega 64 video card by specifications and benchmarks. XFX Radeon RX Vega 64 Black Fan runs at 1.247 GHz base clock speed and has 8 GB of HBM2 memory, while video card AMD RX Vega 64 runs at 1.247 GHz base clock speed and has 8 GB of HBM2 memory. The TDP of the first video card is 295 W, and the second is 295 W. Compare the table of benchmark results to find out which graphic card is better.