Comparison of ASUS Radeon RX Vega 64 video card vs KFA2 GeForce RTX 2080 Dual Black video card by specifications and benchmarks. ASUS Radeon RX Vega 64 runs at 1.247 GHz base clock speed and has 8 GB of HBM2 memory, while video card KFA2 GeForce RTX 2080 Dual Black 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.