Difference Between Vpshere Version

	vSphere 4.0	vSphere 4.1	vSphere 5.0	vSphere 5.1	vSphere 5.5	vSphere 6.0
Hypervisor	ESX & ESXi	ESX & ESXi	ESXi	ESXi	ESXi	ESXi
CPUs per host	64	160	160	160	320	480
RAM per host	1 TB	1 TB	2  TB	2  TB	4 TB	12 TB
vCPU per VM	8	8	32	64	64	128
vMEM per VM	255 GB	255 GB	1 TB	1 TB	1 TB	4 TB
VMDK Size	2TB	2TB	2TB	2TB	62 TB	62 TB
Cluster Size	32	32	32	32	32	64
FT Max vCPU	1 vCPU	1 vCPU	1 vCPU	1 vCPU	1 vCPU	4 vCPU
VM Hardware Version	7	7	8	9	10	11
VMFS Version	3.33	3.46	5.54	5.58	5.60	5.61
Features	– Distributed Switch – Update Manager – Fault tolerance – Host Profiles – Storage vMotion – Linked Mode – Enhanced vMotion – Compatibility – Distributed Power Management – Hot Add VM CPU/Memory – VMDirectPath – VMXNET3	– Boot from SAN – Scripted Installation – Storage I/O Control – DRS Host Affinity – Memory Compression – Array Integration – Network I/O Control	– Auto Deploy – Storage DRS – vSphere Storage Appliance – Profile driven storage – vSphere Web Client – vCenter Server Appliance – ESXi Firewall	– Single Sign-On – Enhanced vMotion – Sparse Virtual Disks – Single-root I/O Virtualization – vSphere Replication – vSphere Data Protection – vShield Endpoint	– vSphere Flash Read Cache – Virtual SAN – Reliable Memory Technology – vSphere Big Data Extensions – vCenter Single Sign-On 2.0 – vSphere App HA – 40GBps NIC Support	– Virtual Volumes – vMotion across vSwitches – Cross vCenter vMotion – Native Linked Mode – Platform Services Controller – Certificate Authority (VMCA) – Content Library
Preferred Management	vSphere Client	vSphere Client	vSphere Client	vSphere Web Client	vSphere Web Client	vSphere Web Client
Authentication Management	–	–	–	Single Sign-On	Single Sign-On 5.5	Platform Services Controller
Backup Strategy	VMware Data Recovery (VDR)			vSphere Data Protection (VDP)
vMotion Support	– Boundary: Datacenter – Shared Storage required – max. 5ms RTT	– Boundary: Datacenter – Shared Storage required – max. 5ms RTT	– Boundary: Datacenter – Shared Storage required – max. 10ms RTT	– Boundary: Datacenter – max. 10ms RTT	– Boundary: Datacenter – max. 10ms RTT	– vMotion across vCenters – vMotion across vSwitches – max. 100ms RTT
Virtual SAN	–	–	–	–	VSAN 5.5	VSAN 6.0
HA Agent	AAM Automatic Availability Manager		FDM Fault Domain Manager
VAAI Primitives	–	– Atomic Test & Set – Cloning Blocks – Zeroing File Blocks	– Atomic Test & Set – Cloning Blocks – Zeroing File Blocks – UNMAP – Quota Exceeded Behavior – TP LUN Reporting – NFS Full File Clone – NFS Space Reservation – NFS Extended Stat – NFS Space Reclaim – NFS Fast File Clone
vCenter Type	Windows	Windows	Windows Linux (vCSA)	Windows Linux (vCSA)	Windows Linux (vCSA)	Windows Linux (vCSA)
vCSA Scale (vPostgres)	–	–	5 Hosts 50 VMs	5 Hosts 50 VMs	100 Hosts 3000 VMs	1000 Hosts 10000 VMs