OC X58 Xeon x5670 - wall at 3.91 - CPUs, Motherboards, and Memory - Linus Tech Tips
Intel Xeon X5670 Dual 6 Core Processor Benchmarks and Review
OLTP benchmark::Oracle Charbench “Calling Circle” - The Intel Xeon 5670: Six Improved Cores
Tech ARP - CPU Performance Comparison Guide Rev. 6.6
Intel Xeon X5670 Dual 6 Core Processor Benchmarks and Review
Overclocking a Xeon x5670 CPU to 4GHz - YouTube
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. :
Processor core groups - What core is on what CPU? : r/unRAID
How useful are low power server CPUs? - Low Power Server CPUs: the energy saving choice?
Pushing Intel xeon x5670 to the limits - Troubleshooting - Linus Tech Tips
eVGA Classified SR-2 review with Quad SLI GTX 480 on LN2 (Page 16)
Intel Xeon X5670 Dual 6 Core Processor Benchmarks and Review