Windows Vista Home Premium
Containing all features from Home Basic, this edition also supports more advanced features aimed for the home market segment, such as HDTV support and DVD authoring. Extra premium games, mobile and tablet PC, network projector, touchscreen, and auxiliary display (via Windows SideShow) support, and a utility to schedule backups are also included. Home Premium supports 10 simultaneous SMB peer network connections (compared to 5 in Home Basic)[8]. The version of Meeting Space included also allows for interaction (in Home Basic, meetings may only be viewed). This edition is comparable to Windows XP Media Center Edition. As with Home Basic, only 1 physical CPU is supported.[6] 64-bit Home Premium supports up to 16 GB of physical memory, and will be supported until 2012.
Windows Vista Business
Comparable to Windows XP Professional and Windows XP Tablet PC Edition, Windows Vista Business Edition is aimed at the business market. It Includes all the features of Home Basic with the exception of Parental Controls and the Windows Vista Standard theme. It Includes the IIS web server, fax support, Rights Management Services (RMS) Client, file system encryption, dual processor (two sockets) support, system image backup and recovery, offline file support, a full version of Remote Desktop that supports incoming connections, ad-hoc P2P collaboration capabilities, Previous Versions (Windows ShadowCopy), several other business features, the Windows Aero theme and tablet PC support. Business supports up to two physical CPUs.[6] 64-bit Business supports 128+ GB of memory. Mainstream support for Business ends on April 10, 2012; extended support ends on April 11, 2017.