Comparison of PowerColor Radeon RX Vega 56 Red Devil video card vs ASRock Phantom Gaming X Radeon RX Vega 56 video card by specs and benchmarks. PowerColor Radeon RX Vega 56 Red Devil runs at 1.308 GHz+ 13 % base clock speed and has 8 GB of HBM2 memory, while video card ASRock Phantom Gaming X Radeon RX Vega 56 runs at 1.308 GHz+ 13 % base clock speed and has 8 GB of HBM2 memory. The weight is different, -- vs 1090 g. The TDP of the first video card is 210 W, and the second is 210 W . Compare the benchmark results to find out which video card is better.