Tech ARP posted rev. 2.5 of their Workstation & Server CPU Comparison Guide
If you have no idea what's different between an AMD Opteron processor and an Intel Core 2 Xeon processor, then this is the guide for you.Workstation & Server CPU Comparison Guide Rev. 2.5
Currently covering 280 workstation and server CPUs, this comprehensive comparison will allow you to easily compare up to 20 different specifications for each and every CPU.