I happen to have a RX580/8GB card here left over from my bitcoin mining days. I repeated the test on the Egypte 111MB image.
https://www.dxo.com/media.dxo.com/photolab/deepprime/raw/Egypte—copyright-Corinne_Vachon.raf
DXO Standard+DeepPrime
Windows 10
AMD Ryzen 2700x cpu, RX580/8GB took 29secs to output.
AMD Ryzen 2700x cpu, Nvidia 1060/6GB took 35 secs to output.