How choice VM's CPU Core and Socket number？

[as900w]

I have a Virtual Machine on a ESXi host.

The VM has 4 CPU.

I should how selcet CPU core and Socket number？

4 Cores and 1 Socket

or

2 Cores and 2 Socket

[Dave_the_Wave]

Please read this post:

https://communities.vmware.com/message/2736897?tstart=0#2736897

[as900w]

How to choose it has no effect on the performance of the virtual machine?

[admin]

see below KB for Setting the number of cores per CPU in a virtual machine. Hope you will have good understanding about it

VMware Knowledge Base

[Mathieu_C]

The best thing to do is always by Sockets and use Core only when Guest OS need this (licensing) or ESXi limitation.

The reason is that you doesn't force the NUMA nodes, with Sockets the management will be automatic by the ESXi and the performances will be better for wide VMs.

[Dave_the_Wave · Accepted solution]

I didn't want to repost the thread in the first reply, but my recommended answer to your question is:

4 vCPU = 4 sockets, each socket 1 core.