Sorry were Geekbench scores posted and I missed them?
There is a Mac 16,1 that appears to have been benchmarked, but I'm looking at what the iPad Geekbench scores are and scaling by two for the Pro based on Apple's estimates. The M1 Ultra is about another 50% more.
iPad Pro 11-inch (M4) Benchmarks - Geekbench
browser.geekbench.com
Mac Studio Benchmarks - Geekbench
browser.geekbench.com