Comparison of PowerColor Radeon RX Vega 56 Red Dragon video card vs Gainward GeForce RTX 3070 Phantom+ GS LHR video card by specifications and benchmarks. PowerColor Radeon RX Vega 56 Red Dragon runs at 1.177 GHz+ 2 % base clock speed and has 8 GB of HBM2 memory, while video card Gainward GeForce RTX 3070 Phantom+ GS LHR runs at 1.500 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 210 W, and the second is 270 W+ 23 %. Compare the table of benchmark results to find out which graphic card is better.