Just a rumor, so take it with a grain of salt until it's confirmed, but it would put pressure on AMD big time. The RTX 2070 performs very similar to the 5700XT, and if nVidia prices it at $425-$450, that'd make the 5700XT a very hard sell at $400-$480.
https://www.wccftech.com/nvidia-resuming-production-of-geforce-rtx-2070-graphics-card/