The confirmation:

And the handy chart summed up by WCCFTech. As it stands now these are the specs for the test board, with the final board likely featuring higher performance.

If AMD can improve performance by 70% for their cDNA product for datacenters, wonder if they'll be able to increase rDNA performance by the same amount in RDNA2? Certainly would explain why nVidia seems to be going crazy with the RTX 3000 series.

https://wccftech.com/amd-radeon-instinct-mi100-cdna-gpu-accelerator-2h-2020-confirmed/