Intel Xeon E5-2667 V3 PassMark CPU Mark (Multi-Thread) - CPUAgent
Real World CPU Benchmarks: Rendering, Compression, Video Conversion - Intel Xeon E5-2697 v2 and Xeon E5-2687W v2 Review: 12 and 8 Cores
CPU-Z 1.78 is Available - Glenn Berry
Intel Xeon E5-2699 V4 benchmarking the top end E5 V4 CPU
Mobile Processors - Benchmark List - NotebookCheck.net Tech
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. :
Intel Xeon E5-2697 V4 Sysbench CPU Benchmark - ServeTheHome
Intel Xeon Silver 4108 Sysbench Multi Threaded CPU Benchmark - ServeTheHome