Autodesk Vault Collaboration 2013 includes all the functionality of Autodesk Vault 2013, Autodesk Workgroup 2013
PLUS
Autodesk Vault Collaboration adds an advanced toolset that provides administrators with the scalability needed to manage large workgroups. Users can share engineering design data with downstream data consumers using the included web client and expose design-related information to the extended enterprise by publishing to Microsoft SharePoint. Scalable multi-site functionality enables companies to synchronize design data among distributed workgroups, extending the reach of the digital model to the entire project team.
Learn about Autodesk Vault Family 2013 innovations at: Autodesk Vault Family 2013 What’s New
Vault 2013 System Requirements 
Vault Family Comparison Matrix
Vault Family 2013 What's New
Top Ten Reasons to Move to Vault Family from Vault 
Vault Family Product Brochure 
More at: www.autodesk.com/vault