Comparison of PowerColor Radeon RX Vega 56 video card vs MSI GeForce RTX 3080 Ti Suprim X 12G 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 3080 Ti Suprim X 12G runs at 1.365 GHz base clock speed and has 12 GB of GDDR6X memory. The TDP of the first video card is 210 W, and the second is 400 W+ 14 %. Compare the table of benchmark results to find out which graphic card is better.