Intel Core i5-12400 six-core Alder Lake CPU tested in CPU-Z, AIDA64 and Cinebench - VideoCardz.com
CPU-Z Benchmarks on various Synology models - Hope this helps give a rough idea of the CPU power difference between models. Also included 2 other VMs running on Windows Hyper-V Server. :
Using CPU-Z in Windows – Glenn's SQL Server Performance