This table was taken from the 60MB Vista Product Guide:

 

Home Basic




Home Premium

Business

Enterprise

Ultimate

CONFIDENT

User Account Control

Yes

Yes

Yes

Yes

Yes

Windows Security Center

Yes

Yes

Yes

Yes

Yes

Windows Defender™

Yes

Yes

Yes

Yes

Yes

Windows Firewall

Yes

Yes

Yes

Yes

Yes

Internet Explorer 7 Protected Mode

Yes

Yes

Yes

Yes

Yes

Internet Explorer 7 Fix My Settings

Yes

Yes

Yes

Yes

Yes

Anti-phishing in Internet Explorer 7

Yes

Yes

Yes

Yes

Yes

Anti-phishing in Windows Mail

Yes

Yes

Yes

Yes

Yes

Windows Update

Yes

Yes

Yes

Yes

Yes

Parental Controls

Yes

Yes

   

Yes

Fewer reboots, hangs, and disruptions

Yes

Yes

Yes

Yes

Yes

Service Hardening

Yes

Yes

Yes

Yes

Yes

Performance self-tuning and hardware diagnostics

Yes

Yes

Yes

Yes

Yes

Next-generation TCP/IP stack

Yes

Yes

Yes

Yes

Yes

IPv6 and IPv4 support

Yes

Yes

Yes

Yes

Yes

Windows ReadyDrive™

Yes

Yes

Yes

Yes

Yes

Windows Display Driver Model (WDDM)

Yes

Yes

Yes

Yes

Yes

Windows Easy Transfer

Yes

Yes

Yes

Yes

Yes

64-bit processor support

Yes

Yes

Yes

Yes

Yes

Fast Startup, Fast Shutdown, Sleep

Yes

Yes

Yes

Yes

Yes

Maximum RAM supported with 32-bit system

4 GB

4 GB

4 GB

4 GB

4 GB

Maximum RAM supported with 64-bit system

8 GB

16 GB

128+ GB

128+ GB

128+ GB

Two processors (two processor sockets) support

   

Yes

Yes

Yes

Ad hoc backup and recovery of user files and folders

Yes

Yes

Yes

Yes

Yes

Scheduled backup of user files

 

Yes

Yes

Yes

Yes

Backup of user files to a network device

 

Yes

Yes

Yes

Yes

Windows ShadowCopy

   

Yes

Yes

Yes

System image–based backup and recovery

   

Yes

Yes

Yes

Encrypting File System

   

Yes

Yes

Yes

Desktop deployment tools for managed networks

   

Yes

Yes

Yes

Policy-based quality of service for networking

   

Yes

Yes

Yes

Windows Rights Management Services (RMS) Client

   

Yes

Yes

Yes

Control over installation of device drivers

   

Yes

Yes

Yes

Network Access Protection Client Agent

   

Yes

Yes

Yes

Pluggable logon authentication architecture

   

Yes

Yes

Yes

Integrated smart card management

   

Yes

Yes

Yes

Windows BitLocker™ Drive Encryption

     

Yes

Yes

Support for simultaneous installation of multiple user interface languages

     

Yes

Yes

All worldwide user interface languages (36 languages total) available

     

Yes

Yes

Subsystem for UNIX-based Applications

     

Yes

Yes

Virtual PC Express

     

Yes

Yes

Windows Anytime Upgrade

Yes

Yes

Yes

   

Windows Ultimate Extras

       

Yes

CLEAR

Windows Vista Basic user interface

Yes

Yes

Yes

Yes

Yes

Windows Aero™ user interface with Glass, Windows Flip, Windows Flip 3D, live task bar thumbnails, and dynamic windows, and a smoother-performing desktop

 

Yes

Yes

Yes

Yes

Instant Search integrated throughout the operating system

Yes

Yes

Yes

Yes

Yes

Automatic content organization based on file properties/tags

Yes

Yes

Yes

Yes

Yes

Internet Explorer 7 with Tabbed Browsing, Quick Tabs, and integrated search

Yes

Yes

Yes

Yes

Yes

Internet Explorer 7 with RSS Feed Support

Yes

Yes

Yes

Yes

Yes

Support for next-generation applications built on WinFX®

Yes

Yes

Yes

Yes

Yes

Windows SuperFetch

Yes

Yes

Yes

Yes

Yes

Windows ReadyBoost™

Yes

Yes

Yes

Yes

Yes

Low-priority I/O

Yes

Yes

Yes

Yes

Yes

Automatic hard disk defragmentation

Yes

Yes

Yes

Yes

Yes

Windows Mail

Yes

Yes

Yes

Yes

Yes

Windows Calendar

Yes

Yes

Yes

Yes

Yes

Windows Sidebar

Yes

Yes

Yes

Yes

Yes

Windows Photo Gallery—for organizing, editing, printing, and sharing photos and videos

Yes

Yes

Yes

Yes

Yes

Themed slide shows

 

Yes

   

Yes

Windows Media Player 11

Yes

Yes

Yes

Yes

Yes

Windows Media Center—for music, photos, videos, live and recorded TV, and online entertainment

 

Yes

   

Yes

Windows Media Center—for recording and watching high-definition TV

 

Yes

   

Yes

Windows Media Center—CableCard support

 

Yes

   

Yes

Support for Media Center Extenders, including
Xbox 360™

 

Yes

   

Yes

Windows Movie Maker<;/span>

Yes

Yes

   

Yes

Windows Movie Maker HD

 

Yes

   

Yes

Windows DVD Maker

 

Yes

   

Yes

Games Explorer

Yes

Yes

Yes

Yes

Yes

Updated games

Yes

Yes

Yes

Yes

Yes

New premium games

 

Yes

Yes*

Yes*

Yes

Universal game controller support

Yes

Yes

Yes*

Yes*

Yes

Speech Recognition

Yes

Yes

Yes

Yes

Yes

Accessibility Settings and Ease of Access Center

Yes

Yes

Yes

Yes

Yes

Windows Welcome Center

Yes

Yes

Yes

Yes

Yes

XPS Document support

Yes

Yes

Yes

Yes

Yes

Small Business Resources

   

Yes

 

Yes

Windows Fax and Scan

   

Yes

Yes*

Yes*

 

Home Basic

Home Premium

Business

Enterprise

Ultimate

 

Home Basic

Home Premium

Business

Enterprise

Ultimate

CONNECTED

Network Center

Yes

Yes

Yes

Yes

Yes

Network Diagnostics and troubleshooting

Yes

Yes

Yes

Yes

Yes

Improved wireless networking

Yes

Yes

Yes

Yes

Yes

Wireless network provisioning

   

Yes

Yes

Yes

Improved peer networking

Yes

Yes

Yes

Yes

Yes

Improved VPN support

Yes

Yes

Yes

Yes

Yes

Improved power management

Yes

Yes

Yes

Yes

Yes

Simultaneous SMB peer network connections

5

10

10

10

10

Windows HotStart

Yes

Yes

Yes

Yes

Yes

Windows Mobility Center

Partial

Partial

Yes

Yes

Yes

Sync Center

Yes

Yes

Yes

Yes

Yes

Windows Tablet PC with integrated pen/digital ink input

 

Yes

Yes

Yes

Yes

Windows Tablet PC touch screen support

 

Yes

Yes

Yes

Yes

Windows Tablet PC handwriting recognition improvements

 

Yes

Yes

Yes

Yes

Windows Tablet PC usability and navigation improvements

 

Yes

Yes

Yes

Yes

Windows SideShow™

 

Yes

Yes

Yes

Yes

Windows Meeting Space

View only

Yes

Yes

Yes

Yes

Improved file and folder sharing

Yes

Yes

Yes

Yes

Yes

PC-to-PC Sync

 

Yes

Yes

Yes

Yes

Network Projection

 

Yes

Yes

Yes

Yes

Presentation Settings

 

Yes

Yes

Yes

Yes

Remote Desktop

Client only

Client
only

Client & host

Client & host

Client & host

Domain join for Windows Small Business Server

   

Yes

Yes

Yes

Domain join for Windows Server™

   

Yes

Yes

Yes

Group Policy support

   

Yes

Yes

Yes

Offline files and folder support

   

Yes

Yes

Yes

Client-side caching

   

Yes

Yes

Yes

Roaming User Profiles

   

Yes

Yes

Yes

Folder Redirection

   

Yes

Yes

Yes

Centralized power management through Group Policy

   

Yes

Yes

Yes

Internet Information Server

   

Yes*

Yes*

Yes*

* Feature is optional