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Windows 7 Product Editions: A Comparison

Networking features

  Home Basic Starter Home Premium Professional Enterprise & Ultimate
SMB connections 20 20 20 20 20
Network and Sharing Center Yes Yes Yes Yes Yes
HomeGroup sharing Join only Join only Yes Yes Yes
Ad-hoc network create and join Yes Yes, but accessible only via Start Menu Search Yes Yes Yes
Improved power management Yes Yes Yes Yes Yes
Connect to a Projector Yes Yes Yes Yes Yes
Remote Desktop Yes Yes Yes Yes Yes
Remote Desktop Host       Yes Yes
IIS Web Server     Yes Yes Yes
RSS support Yes Yes Yes Yes Yes
Internet Connection Sharing Yes   Yes Yes Yes
Network Bridge Yes   Yes Yes Yes
Offline files       Yes Yes

Performance features

  Home Basic Starter Home Premium Professional Enterprise & Ultimate
Windows ReadyDrive Yes Yes Yes Yes Yes
Windows ReadyBoost Yes Yes Yes Yes Yes
SuperFetch Yes Yes Yes Yes Yes
64-bit processor support No No Yes Yes Yes
Physical processor support 1 1 1 2 2
Processor core support Unlimited Unlimited Unlimited Unlimited Unlimited
Max RAM (32-bit) 4 GB 4 GB 4 GB 4 GB 4 GB
Max RAM (64-bit) n/a n/a 16 GB 192 GB 192 GB

Enterprise features

  Home Basic Starter Home Premium Professional Enterprise & Ultimate
Domain join (Windows Server)       Yes Yes
XP Mode licensed       Yes Yes
AppLocker         Yes
Boot from VHD         Yes
BranchCache         Yes
DirectAccess         Yes
Federated Search (Enterprise Search Scopes)         Yes
Multilingual User Interface (MUI) Language Packs         Yes
Location-aware printing       Yes Yes
Subsystem for UNIX-based Applications         Yes

Reliability features

  Home Basic Starter Home Premium Professional Enterprise & Ultimate
Windows Backup Yes Yes Yes Yes Yes
System image Yes Yes Yes Yes Yes
Problem Steps Recorder Yes Yes Yes Yes Yes
Backup to network       Yes Yes
Encrypting File System (EFS)       Yes Yes
BitLocker         Yes
BitLocker To Go         Yes
Automatic hard disk defragmentation Yes Yes Yes Yes Yes
Previous Versions Yes Yes Yes Yes Yes
Create and attach (mount) VHD Yes Yes Yes Yes Yes

Security features

  Home Basic Starter Home Premium Professional Enterprise & Ultimate
More granular UAC Yes Yes Yes Yes Yes
Action Center Yes Yes Yes Yes Yes
Windows Defender Yes Yes Yes Yes Yes
Windows Firewall Yes Yes Yes Yes Yes
IE 8 Protected Mode and DEP support Yes Yes Yes Yes Yes
Windows Update (can access Microsoft Update) Yes Yes Yes Yes Yes
Fast User Switching Yes   Yes Yes Yes
Parental Controls Yes Yes Yes Yes Yes