Comparison of PowerColor Radeon RX Vega 56 Nano Edition video card vs Gainward GeForce RTX 2060 Ghost 12GB 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 Gainward GeForce RTX 2060 Ghost 12GB runs at 1.470 GHz base clock speed and has 12 GB of GDDR6 memory. The TDP of the first video card is 210 W, and the second is 185 W. Compare the table of benchmark results to find out which graphic card is better.