Comparison of MSI Radeon RX 580 Armor MK2 8G OC video card vs Biostar Radeon RX Vega 56 8G video card by specifications and benchmarks. MSI Radeon RX 580 Armor MK2 8G OC runs at 1.257 GHz base clock speed and has 8 GB of GDDR5 memory, while video card Biostar Radeon RX Vega 56 8G runs at 1.156 GHz base clock speed and has 8 GB of HBM2 memory. The TDP of the first video card is 185 W, and the second is 210 W. Compare the table of benchmark results to find out which graphic card is better.