https://wccftech.com/imac-pro-feature-same-m1-pro-and-m1-max-as-2021-macbook-pro/

Apple introduced two redesigned MacBook Pro models in 2021, and alongside that release, we got the M1 Pro and M1 Max, which were faster iterations of the M1 SoC with higher CPU and GPU cores. The same two chipsets are expected to power the upcoming iMac Pro, and unfortunately, Apple is not reported to make any modifications to its custom silicon.

The Power On newsletter from Bloomberg’s Mark Gurman may have hinted about the iMac Pro’s hardware specifications with the following statement.