https://wccftech.com/amd-apple-unveil-radeon-pro-w6800x-duo-w6900x-gpus-up-to-dual-big-navi-gpus-for-mac-pro/

AMD has just announced its high-end Radeon Pro lineup featuring the Radeon PRO W6900X, W6800X & the W6800X DUO for Apple's Mac Pro lineup. The Radeon Pro W6900X & W6800X featuring the RDNA 2 graphics architecture are brand new Pro additions that offer an insane configuration of up to dual Big Navi GPUs.

AMD had already introduced two Radeon PRO W6000 graphics cards for the mainstream consumer segment which include the Radeon PRO W6800 and the Radeon PRO W6600 but Apple's Mac Pro is receiving even more higher-end variants such as the Radeon PRO W6900X & the PRO W6800X DUO that offers up to Dual Big Navi 21 GPUs based on the RDNA 2 graphics architecture.