| vSphere 4.0 | vSphere 4.1 | vSphere 5.0 | vSphere 5.1 | vSphere 5.5 | vSphere 6.0 | vSphere 6.5 | |
| Hypervisor | ESX & ESXi | ESX & ESXi | ESXi | ESXi | ESXi | ESXi | ESXi |
| CPUs per host | 64 | 160 | 160 | 160 | 320 | 480 | 576 |
| RAM per host | 1 TB | 1 TB | 2 TB | 2 TB | 4 TB | 12 TB | 12 TB |
| vCPU per VM | 8 | 8 | 32 | 64 | 64 | 128 | 128 |
| vMEM per VM | 255 GB | 255 GB | 1 TB | 1 TB | 1 TB | 4 TB | 6 TB |
| VMDK Size | 2TB | 2TB | 2TB | 2TB | 62 TB | 62 TB | 62 TB |
| Cluster Size | 32 | 32 | 32 | 32 | 32 | 64 | 64 |
| FT Max vCPU | 1 vCPU | 1 vCPU | 1 vCPU | 1 vCPU | 1 vCPU | 4 vCPU | 4 vCPU |
| VM Hardware Version | 7 | 7 | 8 | 9 | 10 | 11 | 13 |
| VMFS Version | 3.33 | 3.46 | 5.54 | 5.58 | 5.60 | 5.61 | 6.81 |
| New 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 |
- vCenter Migration - vCenter Server High Availability - vCenter Backup and Restore - REST API - Virtual Machine Encryption - Encrypted vMotion - Audit Logging - Proactive HA - HA Orchestrated Restart - Automated UNMAP - vSphere Integrated Containers |
| Management | C# Client | C# Client | C# Client Web Client |
C# Client Web Client |
C# Client Web Client |
C# Client Web Client |
Web Client HTML5 Client |
| Authentication Management | - | - | - | Single Sign-On | Single Sign-On 5.5 | Platform Services Controller | 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. 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 VSAN 6.2 |
VSAN 6.5 |
| HA Agent | AAM Automatic Availability Manager |
FDM Fault Domain Manager |
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| 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 |
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| vCenter Type | Windows | Windows | Windows Linux (vCSA) |
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 |
2000 Hosts 25000 VMs |
Thanks for the comparison
thanks for the info. Your contribution is much appreciated.
How about adding this please.
Virtual NUMA topology is available to hardware version 8 virtual machines and is enabled by default when the number of virtual CPUs is greater than eight.