† According to VMark scores as of December 2007. VMmark is a product of VMware. VMmark uses SPECjbb2005 and SPECweb2005, which are available from the Standard Performance Evaluation Corporation (SPEC). SPEC is a registered trademark, and SPECjbb and SPECweb are trademarks of Standard Performance Evaluation Corporation. For the latest VMmark results, visit http://www.vmware.com/products/vmmark/results.html.
* Based on VMmark benchmark testing conducted by Dell Labs in June 2009 comparing similarly configured 4-socket, Dell PowerEdge AMD Quad-Core and AMD Six-Core servers. Actual performance will vary based on configuration, usage and manufacturing variability.