High level comparison of HyperV and vSphere 51

Microsoft has made great strides with the release of Hyper-V 3.0, particularly in the area of scalability.  Although most organizations will never reach anywhere close to maximum possible configurations, the table below shows you the maximums for a number of elements.  You’re shown Hyper-V 2008 R2 maximums compared against Hyper-V 2012 maximums which are also compared against vSphere 5.1 hypervisor (free) and the Enterprise Plus Edition.

Hypervisor Hyper-V

vSphere 5.1

Product version 2008 R2 2012 Free Ent Plus
Logical Processors 64 320 160 160
Physical Memory 1 TB 4 TB 32 GB 2 TB
Virtual CPUs per Host 512 2,048 2,048 2,048
Virtual CPUs per VM 4 64 8 64
Memory per VM 64 GB 1 TB 32 GB 1 TB
Active VMs per Host 384 1,024 512 512
Guest NUMA No Yes Yes Yes
Maximum Nodes 16 64 N/A 32
Maximum VMs 1,000 8,000 N/A 4,000

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