Comparison of Sapphire Pulse Radeon RX Vega 56 video card vs Gainward GeForce RTX 2080 SUPER Phoenix video card by specifications and benchmarks. Sapphire Pulse Radeon RX Vega 56 runs at 1.208 GHz+ 4 % base clock speed and has 8 GB of HBM2 memory, while video card Gainward GeForce RTX 2080 SUPER Phoenix runs at 1.650 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 280 W+ 33 %, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.