Comparison of PowerColor Radeon RX Vega 56 video card vs MSI GeForce RTX 2080 Ti Sea Hawk X video card by specifications and benchmarks. PowerColor Radeon RX Vega 56 runs at 1.156 GHz base clock speed and has 8 GB of HBM2 memory, while video card MSI GeForce RTX 2080 Ti Sea Hawk X runs at 1.350 GHz base clock speed and has 11 GB of GDDR6 memory. The TDP of the first video card is 210 W, and the second is 300 W+ 20 %. Compare the table of benchmark results to find out which graphic card is better.