Comparison of PowerColor Radeon RX Vega 56 Nano Edition video card vs Palit GeForce GTX 1660 StormX OC 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 Palit GeForce GTX 1660 StormX OC runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory. The TDP of the first video card is 210 W, and the second is 120 W. Compare the table of benchmark results to find out which graphic card is better.