Navi 12-based AMD Radeon Pro 5600M with 40 CUs and 8 GB HBM2 VRAM will be available in the Apple MacBook Pro 16-inch for a US$700 upcharge - NotebookCheck.net News
AMD Radeon Pro 5600M with HBM2 memory tested - VideoCardz.com
The AMD Radeon RX 5600M is already benchmarked – close to RTX 2060 (Laptop) results
AMD Radeon Pro 5600M 8 GB HBM2 GPU For Apple MacBook Pro Announced