Comparativo DX11 vs DX12 - I7 5820k e FX 8370 com R9 390x e GTX 980 - Rise of the Tomb Raider - YouTube
An important note. Battlefield 2042 appears to require full DX12 support. This means Nvidia 600/700 series users aswell as AMD HD 7000 and lower-midrange 200 series users won't be able to play