Comparison of MSI Radeon RX Vega 56 Air Boost 8G OC video card vs ASRock Phantom Gaming X Radeon RX Vega 56 video card by specs and benchmarks. MSI Radeon RX Vega 56 Air Boost 8G OC runs at 1.181 GHz+ 2 % base clock speed and has 8 GB of HBM2 memory, while video card ASRock Phantom Gaming X Radeon RX Vega 56 runs at 1.181 GHz+ 2 % base clock speed and has 8 GB of HBM2 memory. The weight is different, 1068 g 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.