Comparison of XFX Radeon RX Vega 64 Silver Fan video card vs Gainward GeForce RTX 2080 TRIPLE video card by specifications and benchmarks. XFX Radeon RX Vega 64 Silver Fan runs at 1.247 GHz base clock speed and has 8 GB of HBM2 memory, while video card Gainward GeForce RTX 2080 TRIPLE 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.