Comparison of MSI Radeon RX 580 Gaming X 4G video card vs ASUS ROG Strix Radeon RX Vega 56 OC Gaming video card by specifications and benchmarks. MSI Radeon RX 580 Gaming X 4G runs at 1.257 GHz base clock speed and has 4 GB of GDDR5 memory, while video card ASUS ROG Strix Radeon RX Vega 56 OC Gaming runs at 1.297 GHz+ 12 % base clock speed and has 8 GB of HBM2 memory. The TDP of the first video card is 185 W, and the second is 300 W+ 43 %. Compare the table of benchmark results to find out which graphic card is better.