At the end of January VMware revealed that is working to increase its virtual machines density up to 16 VMs per core , mostly for VDI environments. That is twice the average amount of VMs that customers seems able to accommodate today, and VMware suggested that this record depends on new Intel Xeon 5500 (codename Nehalem) CPUs . Anyway, that number came out during an interview, with no additional details, so there’s a lot of analysis to do before getting excited. Nonetheless, the claim generated much interest (and skepticism), at the point that Citrix decided to answer .

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