Comparison of MSI Radeon RX 590 Armor 8G OC video card vs Sapphire Nitro+ Radeon RX Vega 64 video card by specifications and benchmarks. MSI Radeon RX 590 Armor 8G OC runs at 1.469 GHz base clock speed and has 8 GB of GDDR5 memory, while video card Sapphire Nitro+ Radeon RX Vega 64 runs at 1.373 GHz+ 10 % base clock speed and has 8 GB of HBM2 memory. The TDP of the first video card is 220 W-2 %, and the second is 295 W. Compare the table of benchmark results to find out which graphic card is better.