Differences between vSphere 4, vSphere 5.0, vSphere 5.1 and vSphere 5.5

Differences between vSphere 4, vSphere 5.0, vSphere 5.1 and vSphere 5.5

Features
vSphere 4.1
vSphere 5.0
vSphere 5.1
vSphere 5.5
ESX
Yes, both ESX & ESXi
Not Available
Not Available
Not Available
ESXi
Yes, both ESX & ESXi
Yes
Yes
Yes
Management Network
Service Console
VMKernel
VMkernel
VMkernel
Installation Method
Text, GUI
Only Text based
Only Text based
Only Text based
Maximum Hosts & VMs per vCenter
200/2000–> 32-bit Host os
300/3000–> 64-bit host OS
1000 hosts with 1000 VMs
1000 hosts with 1000 VMs, 15000 powered On VMs
1000 hosts with 1000 VMs, 15000 powered On VMs
vCenter Server Appliance
Not Available
Yes, Available
Yes, Available
Yes, Available
Locked Down Mode
 Available only for ESXi
 Available only for ESXi
 Available only for ESXi
 Available only for ESXi
Boot from SAN
Yes
Yes
Yes
Yes
Jumbo Frames
Supported
Supported
Supported
Supported
Firewall
 based on the iptables
new firewall engine that is not based on iptables.
new firewall engine that is not based on iptables.
new firewall engine that is not based on iptables.
VM Hardware version
7
8
9
10
vSGA (virtual Shared Graphics Acceleration)
Not Available
Not Available
NVIDIA-based GPU only
NVIDIA and AMD-based GPUs
Virtual SMP
Yes
Yes, 32 vCPU
64 vCPU
64 vCPU
RAM per virtual machine
255 GB
1 TB
1 TB
1 TB
VMFS Version
VMFS 3 and VMFS 5
VMFS 3 and VMFS 5
VMFS 5
VMFS 5
VMFS Block Size
1/2/4 /8 MB
1/2/4 /8 MB
1 MB
1 MB
RAM per host
1 TB
2 TB
2 TB
4 TB
LACP
Not Supported
Not Supported
Supported with vDS
Supported with vDS
vSphere HA Mechanism
Primary and Secondary
Master and Slave
Master and Slave
Master and Slave
VMFS3-RDM Physical/Virtual
2TB minus 512 bytes
2TB minus 512 bytes
2TB minus 512 bytes
2TB minus 512 bytes
VMFS5-RDM Physical/Virtual
64 TB       ->Physical
2TB-512bytes ->Virtual
64 TB for Both
vSphere Auto Deploy
Not Available
vSphere Auto Deploy available
vSphere Auto Deploy available
vSphere Auto Deploy available
Syslog Confirguration
Supported
Supported
Supported
Supported
VI/vSphere Web Access
experimental ESX. But ESXi Doesnot support it.
Supported
Supported
Supported
Diagnostics and Troubleshooting
vCLI, DCUI & Tech Support Mode for ESXi
vCLI, DCUI & Tech Support Mode for ESXi
vCLI, DCUI & Tech Support Mode for ESXi
vCLI, DCUI & Tech Support Mode for ESXi
Hardware Monitoring
Through CIM Providers
Through CIM Providers
Through CIM Providers
Through CIM Providers
Active Directory Integration
Supported
Supported
Supported
Supported
Virtual SAN
Not Available
Not Available
Not Available
Yes
vMotion
Yes, with a shared datastore
Yes, with a shared datastore
Yes, even without the need for shared
storage
Yes, even without the need for shared
UEFI
Not Available, legacy BIOS only
UEFI boot mode from ESXi 5.0
UEFI boot mode from ESXi 5.0
UEFI boot mode from ESXi 5.0
40GB NIC support
Not Supported
Not Supported
Not Supported
Supported
Shell type
ESX uses Bash, where the ESXi is using the ash shell
Ash shell
Ash shell
Ash shell
Host Profiles
Supported
Supported
Supported
Supported
Storage vMotion snapshot support
Not Supported
Supported
Supported
Supported
vCenter Single Sign ON
Not available
Not Available
Avialable with vSphere 5.1
Available

 
Thank you for reading, if you think that I missing major differences in each of the product do comment, I will update the post.

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