Comparison of PowerColor Radeon RX Vega 56 Nano Edition video card vs MSI Radeon RX Vega 64 8G video card by specifications and benchmarks. PowerColor Radeon RX Vega 56 Nano Edition runs at 1.156 GHz base clock speed and has 8 GB of HBM2 memory, while video card MSI Radeon RX Vega 64 8G runs at 1.247 GHz base clock speed and has 8 GB of HBM2 memory. The TDP of the first video card is 210 W, and the second is 295 W. Compare the table of benchmark results to find out which graphic card is better.