What is Hyper-V?

Hyper-V is a native hypervisor developed by Microsoft

It’s available in two variants:

  • Hyper-V Server [2008, 2008 R2, 2012, 2012 R2 and 2016], a stand-alone package
  • As an installable role for Windows Server 2008 and higher

What is ESXi?

ESXi is a bare metal hypervisor – also known as Type-1 hypervisor – developed by VMware.

In a nutshell, it’s an operating system with an integrated hypervisor.

ESXi is part of the VMware vSphere platform.