Comparison of PowerColor Radeon RX Vega 56 Red Dragon video card vs EVGA GeForce RTX 2080 BLACK video card by specifications and benchmarks. PowerColor Radeon RX Vega 56 Red Dragon runs at 1.177 GHz+ 2 % base clock speed and has 8 GB of HBM2 memory, while video card EVGA GeForce RTX 2080 BLACK runs at 1.515 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 210 W, and the second is 210 W-2 %. Compare the table of benchmark results to find out which graphic card is better.