Comparison of Sapphire Nitro+ Radeon RX Vega 64 video card vs XFX Radeon RX Vega 64 Black Fan video card by specs and benchmarks. Sapphire Nitro+ Radeon RX Vega 64 runs at 1.373 GHz+ 10 % base clock speed and has 8 GB of HBM2 memory, while video card XFX Radeon RX Vega 64 Black Fan runs at 1.373 GHz+ 10 % base clock speed and has 8 GB of HBM2 memory. The weight is different, -- vs --. The TDP of the first video card is 295 W, and the second is 295 W . Compare the benchmark results to find out which video card is better.