Comparison of XFX Radeon RX Vega 64 Black Fan video card vs ASUS Turbo GeForce RTX 2080 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 ASUS Turbo GeForce RTX 2080 runs at 1.515 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 295 W, and the second is 215 W. Compare the table of benchmark results to find out which graphic card is better.