VMware ESXi 3.5 – 6.0 Hypervisor Size Comparison


The first public release of VMwares bare-metal hypervisor ESXi was about 7 years ago. During that time we had lots of new features, including the latest outstanding introduction in vSphere 6.0 – Virtual Volumes. This post takes a look at how the hypervisor footprint has changed since ESXi 3.5.

  • ESXi 3.5 – 46,01 MB
  • ESXi 4.0 – 59,99 MB
  • ESXi 4.1 – 85,19 MB
  • ESXi 5.0 – 132,75 MB
  • ESXi 5.1 – 125,85 MB
  • ESXi 5.5 – 151,98 MB
  • ESXi 6.0 – 154,90 MB

vmware-hypervisor-size-history

How did I determine the Hypervisor Size?
According to VMware documentation the footprint of ESXi 5 was 144MB and 150MB in ESXi 6. I could not reconstruct that completely so I compared the following packages:

  • The “image” package in ESXi 3.5
  • The “firmware” package in ESXi 4.x
  • The “esx-base” vib package in ESXi 5.x and 6.x

Within a major release, the size does not change much. This is a full table since vSphere 4.0:

ESXi Size
4.0 57,80 MB
4.0 U1 58,82 MB
4.0 U2 59,11 MB
4.0 U3 59,72 MB
4.0 U4 59,97 MB
4.0 LATEST 59,99 MB
4.1 85,45 MB
4.1 U1 85,89 MB
4.1 U2 85,25 MB
4.1 U3 85,27 MB
4.1 LATEST 85,19 MB
5.0 133,64 MB
5.0 U1 132,32 MB
5.0 U2 132,27 MB
5.0 U3 132,56 MB
5.0 LATEST 132,75 MB
5.1 124,60 MB
5.1 U1 124,88 MB
5.1 U2 125,67 MB
5.1 U3 125,85 MB
5.1 LATEST 125,85 MB
5.5 151,52 MB
5.5 U1 152,24 MB
5.5 U2 151,71 MB
5.5 LATEST 151,98 MB
6.0 154,90 MB

The size of an ESXi 6.0 ISO Image is 344 MB. What are the other components on that image?

Package Size
Hypervisor 155 MB (45%)
Drivers 11 MB (3%)
VMware Tools Images 179 MB (52%)

vsphere-esxi-6-0-image-components

 

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