And here is the final numbers:)

 

 

Windows Server
  2008 R2

Windows Server
  2012

Improvement
  Factor

Logical Processors Per Host

64

320*

5x

Physical Memory per Host

1 Terabyte

4 Terabytes*

4x

Virtual Processors per Host

512

2048*

4x

Virtual Machines per Host

384

1024*

2.7x

 

 

 

 

Virtual Processors per VM

4

64

16x

Memory per VM

64 Gigabytes

1 Terabyte

16x

Maximum Virtual Disk

~2 TB

64 TB*

32x

 

 

 

 

Nodes in a Cluster

16

64*

4x

Virtual Machine in a Cluster

1,000

8,000*

8x

 

*= Industry Leading