May 30, 2016 - Windows XP SP3 Destroys Windows 8.1 Pro at Boot Time!

Advanced System Care measures the boot up time and displays it once it has completed.

Windows 8.1 x64 Pro: 1:24
Windows xp SP3 Black Edition 2014: 0:48

The download URL for the Windows xp iso is in the description of the video posted before.