Speculation is rife that Navi 12 with 64 CUs (4096 SPs) could be AMD's flagship RDNA GPU offering that could compete against NVIDIA's RTX 2080 Ti. This is surprising as Navi 12 was originally thought to be a low-end part. We also aren't quite sure if this would prompt NVIDIA to respond in kind with a Super version of the RTX 2080 Ti.
https://www.notebookcheck.net/Navi-12-RX-5800-with-4096-SPs-could-be-AMD-s-answer-to-the-RTX-2080-Ti.428348.0.html