Difference between active memory in VM and in use memory on server

Hi All.

At work they use a VMware web client for server management.

When I look at a server on VMware it says 24gb of which 5gb of memory is active, whereas when I log onto the server it states there is 24 gb of which 13.6gb of memory is in use.

I am trying to understand why there is such a difference, at first I thought it may be due to cached memory but on the server it says this is 1.2gb at the moment.

I have noticed that the CPU on VM says 5.22ghz and on the server it states 2.5ghz *2 but that makes sense.
Matthew EmeryHomeAsked:
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
At work they use a VMware web client for server management.

No harm in that!

When I look at a server on VMware it says 24gb of which 5gb of memory is active, whereas when I log onto the server it states there is 24 gb of which 13.6gb of memory is in use.

I am trying to understand why there is such a difference, at first I thought it may be due to cached memory but on the server it says this is 1.2gb at the moment.

I have noticed that the CPU on VM says 5.22ghz and on the server it states 2.5ghz *2 but that makes sense.

Memory do you have screenshots, we can inspect?
Matthew EmeryHomeAuthor Commented:
TM.JPG VM.JPG
Hi Andrew, please see a screenshot of the VM and the Task Manager both showing the memory values I was talking about
Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Okay, so we are comparing Host and Guest OS memory values.... I had a suspicion you were comparing Memory in the VM, versus What vSphere presents...

see these links

http://www.vnoob.com/2011/02/memory-stats-vcenter-windows/

https://www.virtualmvp.com/vmware-consumed-host-memory-vs-active-guest-memory/

https://blogs.vmware.com/vsphere/2013/10/understanding-vsphere-active-memory.html

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Matthew EmeryHomeAuthor Commented:
Thank you Andrew, I read all 3 until it finally all made sense.

Have a good day!
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