When Windows Vista was originally released just over a year ago Microsoft commissioned Principled Technologies to compare the overall responsiveness of Windows Vista to Windows XP SP 2 for some common business and home tasks. With the release of Windows Vista Service Pack 1 (SP1) Principled has updated their results. Principled Technologies concluded the following when comparing business scenarios:
- Overall, Windows Vista SP1 and Windows XP performed comparably on most test operations. Performance differences between the two operating systems were typically less than a half second. Significant differences of over a second occurred on only nine of 128 measures; Windows Vista SP1 led on eight of those.
- Windows Vista SP1 was noticeably more responsive after rebooting than Windows XP on several common business operations.
- Overall, Windows Vista SP1 was more responsive than Windows Vista on most comparisons. Performance differences between the two operating systems were typically less than a quarter second.
Principled Technologies also concluded the following when comparing home scenarios:
- Overall, Windows Vista SP1 and Windows XP performed comparably on most test operations. Differences were typically less than a half second.
- Windows Vista SP1 was noticeably more responsive after rebooting than Windows XP on several common home operations.
- Overall, Windows Vista SP1 and Windows Vista performed comparably on most test operations, with differences typically less than a half second.
To download a PDF of the two most recent reports, as well as the original ones from last year, go directly to the Principled Technologies website -
http://www.principledtechnologies.co.../microsoft.htm 
03-02-2008, 07:30 AM
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