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Things do run slower in a VM. But most of the times it is only slightly slower.<br />
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Things can be faster in a VM too.
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Things do run slower in a VM. But most of the times it is only slightly slower.

Things can be faster in a VM too.

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The VM has less memory and more processors. &nbsp;Do you think and adjustment might help? &nbsp;If so what?
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The VM has less memory and more processors.  Do you think and adjustment might help?  If so what?

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it doesn't stay at any load more than 2-3 seconds
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it doesn't stay at any load more than 2-3 seconds

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We have two Citrix servers one on a physical server. &nbsp;E5620 @2.40 GHz, 2 processors, 64 gig. &nbsp;The other a &nbsp;Hyper-V VM. &nbsp;E5-2630 v3 @2.40 GHz, 3 processors, 48 gig.<br />
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The VM is regularly peaking over 70 % CPU. &nbsp;It's only for short periods, however the physical server doesn't seem to have the same issue. &nbsp;Both servers run exactly the same apps and they are load balances, so they have equal users. &nbsp;<br />
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Based on the above information, your opinion is appreciated as to which is better. &nbsp;Or what adjustments can I make?
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We have two Citrix servers one on a physical server.  E5620 @2.40 GHz, 2 processors, 64 gig.  The other a  Hyper-V VM.  E5-2630 v3 @2.40 GHz, 3 processors, 48 gig.

The VM is regularly peaking over 70 % CPU.  It's only for short periods, however the physical server doesn't seem to have the same issue.  Both servers run exactly the same apps and they are load balances, so they have equal users.  

Based on the above information, your opinion is appreciated as to which is better.  Or what adjustments can I make?

Does Citrix Xenapp 7.5 perform better on a physical server versus a VM

Citrix is the synonym for the virtualization and application infrastructure systems developed by the company of the same name. Main areas are application virtualization, Software-As-A-Service (SaaS), cloud-computing and networking. The two most well-known are Citrix XenApp or Citrix CloudPlatform.

Citrix

Hyper-V is a native hypervisor; it can create virtual machines on x86-64 systems and supersedes Windows Virtual PC as the hardware virtualization component of the client editions of Windows NT. A server computer running Hyper-V can be configured to expose individual virtual machines to one or more networks. Hyper-V Server supports remote access via Remote Desktop Connection. Administration and configuration of the host OS and the guest virtual machines is generally done over the network.