As server runs on top of another OS it has less control of resources plus there is the overhead of the OS itself. On the same hardware ESXi will be execute the VM much closer to bare metal performance than server.
Rodos
Consider the use of the helpful or correct buttons to award points.
Blog: http://rodos.haywood.org/
Rodos
{size:10px}{color:gray}Consider the use of the helpful or correct buttons to award points.
Blog: http://rodos.haywood.org/{color}{size}