The Guru of 3D published a review on the PowerColor Red Devil Vega 56 8GB
A quote from the article:
Finally, the first custom Vega boards have hit the market. In this review, we take a devilish PowerColor Radeon RX Vega 56 with 8GB graphics memory for a spin. The 56 is a more affordable graphics card in the Vega range, and might actually be the better proposition value for money wise.PowerColor Red Devil Vega 56 8GB Review @ Guru3D