The Navi 3x in question is supposed to feature a dual-GCD design with 16384 Stream Processors, which is a considerable upgrade over the Navi 31 rumored to feature a single-GCD design with 12288 SP. According to some sources, this might be a professional workstation GPU.https://www.notebookcheck.net/Latest-leaks-suggest-that-AMD-could-release-a-GPU-more-powerful-than-the-Navi-31-in-2023.630112.0.html
... And the sky is blue. More news at 11