| <br> | <br>Windows 7 | <br>Windows XP |
|---|---|---|
| <br> <br><br> | ||
| <br>Platform support | <br>IA-32 and x86-64 | <br>IA-32, x86-64 and Itanium |
| <br> <br><br> | ||
| <br>Physical Memory Limits | <br>2 – 192 GB depending on the version and architecture. | <br>4 GB-128 GB depending on the version and the architecture. |
| <br>Processors | <br>32 for 32-bit, 256 for 64-bit | <br>32 for 32-bit, 64 for 64-bit |
| <br>New Features | <br>· <br>Touch and handwriting recognition<br><br><br><br>· <br>Support for virtual hard disks<br><br><br><br>· <br>Improved performance on multi-core processors<br><br><br><br>· <br>Improved boot performance<br><br><br><br>· <br>DirectAccess<br><br><br><br>· <br>Kernel improvements<br><br><br><br>· <br>Taskbar<br><br><br><br>· <br>New version of Windows Media Center<br><br><br><br>· <br>XPS Essential Pack<br><br><br><br>· <br>New calculator<br><br><br><br>· <br>Jump Lists<br><br><br><br>· <br>Show desktop button shifted to right-hand size<br><br><br><br>· <br>13 Additional Sound Schemes<br><br><br><br>· <br>Window borders and the taskbar do not turn opaque when a window is maximized<br><br><br><br>· <br>Allows more customization<br><br><br><br>· <br>A new version of Microsoft Virtual PC, newly renamed as Windows Virtual PC<br><br><br><br>· <br>Supports the mounting of a virtual hard disk (VHD) as normal data storage.<br><br><br><br>· <br>The Remote Desktop Protocol supports real-time multimedia application.<br><br><br><br>· <br>Shadow Copy<br><br><br><br>· <br>Improved backup and restore<br><br><br><br>· <br>New Extended Linguistic Services API<br><br><br><br>· <br>Better support for solid-state drives, including the new TRIM command<br><br><br><br>· <br>New networking API with support for building SOAP-based web services in native code. | <br>· <br>GDI+ graphics subsystem<br><br><br><br>· <br>DirectX 8.1 upgradeable to DirectX 9.0c<br><br><br><br>· <br>Improved Taskbar<br><br><br><br>· <br>New features (task panes, tiles, improved sorting and grouping, built-in CD player, Autoplay, Simple File Sharing, etc.)<br><br><br><br>· <br>Kernel enhancements<br><br><br><br>· <br>Faster start-up<br><br><br><br>· <br>Ability to discard a newer device driver in favor of previous one.<br><br><br><br>· <br>More user-friendly interface<br><br><br><br>· <br>Fast user switching<br><br><br><br>· <br>ClearType Font rendering mechanism.<br><br><br><br>· <br>New networking features (Windows Firewall, Internet Connection Sharing integration with UPnP, NAT traversal APIs, Quality of Service features, IPv6 and Teredo tunneling,<br> etc.)<br><br><br><br>· <br>Remote Assistance and Remote Desktop features.<br><br><br><br>· <br>New security features<br><br><br><br>· <br>Side-by-side assemblies<br><br><br><br>· <br>Improved media features<br><br><br><br>· <br>Handwriting recognition, speech recognition and digital ink support.<br><br><br><br>· <br>Improved application compatibility and shims compared to Windows 2000<br><br><br><br>· <br>Updated accessories and games |
| <br>Removed Features | <br>· <br>Classic Start Menu user interface<br><br><br><br>· <br>Few Taskbar features<br><br><br><br>· <br>Windows Explorer features<br><br><br><br>· <br>Windows Media Player features<br><br><br><br>· <br>InkBall<br><br><br><br>· <br>Windows Photo Gallery, Windows Movie Maker, Windows Calendar and Windows Mail. | <br>· <br>CD Player, DVD Player<br> and Imaging for Windows<br><br><br><br>· <br>NetBEUI and NetDDE are deprecated.<br><br><br><br>· <br>DLC and AppleTalk network protocols are removed.<br><br><br><br>· <br>Plug-and-play–incompatible communication devices are not supported.<br><br><br><br>· <br>Service Pack 2 and Service Pack 3 also remove features from Windows XP. |
Reference: http://www.differencebetween.info/difference-between-windows-7-and-windows-xp