Comparison of AMD Radeon RX VEGA 64 video card vs ASRock AMD Phantom Gaming X Radeon RX VEGA 64 8G video card by specs and benchmarks. AMD Radeon RX VEGA 64 runs at 1.247 GHz base clock speed and has 8 GB of HBM2 memory, while video card ASRock AMD Phantom Gaming X Radeon RX VEGA 64 8G runs at 1.247 GHz base clock speed and has 8 GB of HBM2 memory. The weight is different, -- vs --. The TDP of the first video card is 295 W, and the second is 295 W . Compare the benchmark results to find out which video card is better.