Intel Xeon E5-2680 v4 vs Intel Xeon E5-2690 v4: What is the difference?
Intel Xeon E5-2687W vs Intel Xeon E5-2690: What is the difference?
Dual Intel Xeon E5-2690 Linux Benchmarks - Fast
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. :
ADVenturePO`s Cinebench - R15 score: 4522 cb with a Xeon E5 2690 v4
Scientific and Synthetic Benchmarks: 2D to 3D, Emulation, Encryption - Intel Xeon E5-2697 v2 and Xeon E5-2687W v2 Review: 12 and 8 Cores
Solved Figure 1.19 shows the execution time and SPECRatio | Chegg.com