AMD's Radeon Instinct series are HPC GPUs for applications such as deep learning, science, financial services and other extremely high-performance areas. As promised, its latest models (the MI50 and MI60) come with 7-nanometer Vega architecture. This pushes their memory bandwidth up to 1024Gbps and their FP64 performance into the teraflops.
https://www.notebookcheck.net/New-AMD-Radeon-Instinct-line-up-with-7nm-Vega-GPU-released.361126.0.html