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. :
CPU Benchmark (CPU-Z, Intel i5 4310U, Dell Latitude E5550) - YouTube
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Monitor CPU usage on SQL Server and Azure SQL - Microsoft Community Hub
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CPU UserBenchmark: A Comprehensive Performance Assessment Tool