The AMD Radeon RX Vega 64 and Radeon RX Vega 56 Graphics cards are out now and hopefully you've taken a look at gaming performance in our full review of both those cards. There have been rumors that the AMD Radeon RX Vega 64 is capable of getting hash rates as high as 100 MH/s mining Ethereum, so we also spent come time with Vega 64 and Vega 56 down in the Ether mine to see how they'd perform. Are the 100MH/s rumors true?