Function/Feature SharePoint Portal Server 2003 Windows SharePoint Services2003
Scenarios
Organize sites across the enterprise X  
Connect people with people X  
Connect people with team and project sites X  
Integrate people with line-of-business processes X  
Collaborating on documents X X
Sharing team and project-based information X X
Managing virtual teams X X
Key Features
Creation of SharePoint sites using Site Directory (corporate site taxonomy) X  
Centralized administration of all portal and team sites in an organization X  
Single-sign on for enterprise applications X  
Enterprise search for all data and information in the organization X  
Presence integration X X
Document libraries and lists X X
Versioning, check-in and check-out X X
Alerts X X
Web Parts X X
Shared calendars and discussions X X
Web site creating and management X X
Microsoft Office integration X X
Benefits
Improved enterprise efficiency and effectiveness X  
More efficient searching and retrieval of information and data from anywhere in the organization X  
Greater overall productivity resulting from greater re-use and more effective team collaboration X  
Improved personal and team productivity X X
Re-use of information X X
Role-based security always in effect X X
More productive collaborative work environment X X
Ease of use, deployment and customization X X