AMD has announced a new mid-range workstation MPX GPU for the Mac Pro. The new AMD Radeon Pro W6600X offers 32 CUs, 8 GB GDDR6 128-bit memory and up to 9.8 TF peak FP32 performance. Buyers configuring the Mac Pro can now opt for the Radeon Pro W6600X MPX card for US$700.
https://www.notebookcheck.net/AMD-announces-new-US-700-Radeon-Pro-W6600X-MPX-GPU-for-Mac-Pro.607152.0.html