The difference between windows 7 and XP

The difference between windows 7 and XP

Performance:

The performance of Windows 7 in terms of speed, strength, safety and stability is the best of Windows XP
And this is linked to the technical specifications of the device

Support:

Has stopped support for Windows XP in 2011, while Windows 7 in a continuous process of modernization of Microsoft Corp.

Programs:

Most modern software works best on Windows 7 and there are also some of them not working on his Windows XP
  Hardware

RAM:

Windows XP( windows xp service pack 3) accommodate the higher end of the ram 3 giga
While Windows 7 to accommodate the top of the piece

If the installation of Windows XP on a machine with 4 giga RAM

It will work but will deal with just 3 giga ram and 1 giga RAM loss in processing