Intel Xeon X5670 | Processor Benchmarks | PC Builds
Windows Power Plans and CPU Performance – SQLServerCentral
Intel Xeon X5670 Dual 6 Core Processor Benchmarks and Review
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. :