Intel Core i7-3960X Sandy Bridge Extreme and AMD Bulldozer FX-8150 benchmarking of various Ubuntu 12.04 LTS virtualization options with the Precise Linux 3.2 kernel. Testing of bare metal, Xen, KVM, and Oracle VM VirtualBox virtualization methods from this Intel Sandy Bridge Extreme Edition and AMD Bulldozer systems that was running in the same configuration for the duration of testing. This Linux virtualization benchmarking is for a future article on Phoronix.com.