https://www.rockpapershotgun.com/2016/07/11/doom-vulkan-support-update/
As expected, Maxwell does not benefit from Vulkan:
This shows a bigger boost than the previous benchmark:
DOOM Vulkan Benchmarks & Analysis - The Real RX 480 Stands Up - YouTube
The 480 beats the 1060 via Vulkan!
HARDOCP - DOOM Vulkan - NVIDIA GeForce GTX 1060 Founders Edition Review