The Tech Report published a review on the Examining early DirectX 12 performance in Deus Ex: Mankind Divided A quote from the article:

An early version of Deus Ex: Mankind Divided's DirectX 12 rendering path is available now, and many sites and AMD itself are already producing average FPS numbers using that software. We go inside the second to see what the real story is.

 Examining early DirectX 12 performance in Deus Ex: Mankind Divided @ The Tech Report