Two tests performed by lifehacker, on a PC with an Intel Core 2 Duo 3.16GHz and 4GB of RAM, show that Windows 7 is faster than XP and Vista.

First test: from the boot screen to Desktop “Fully-loaded”:

• Windows 7 Ultimate (Preview, PDC edition, 32-bit): 32 seconds
• Windows Vista Ultimate (32-bit, SP1): 33 seconds
• Windows XP Professional (SP3): 40 seconds

Second test: from the boot screen to the user selection screen:

• Windows 7 Ultimate (Preview, PDC edition, 32-bit): 23 seconds
• Windows Vista Ultimate (32-bit, SP1): 24 seconds
• Windows XP Professional (SP3): 29 seconds

More surprising, this gap of 7 seconds between Vista and XP for the first test…

Steven Sinofsky, vice president of Windows and Windows Live department at Microsoft acknowledges that the UAC (User Account Control) was (and still is not) not optimal and its default is to be gone too far. Also according S. Sinofsky, the reason for the establishment of the UAC was to better protect the user, and this attention is commendable, but the establishment still suffers from flaws of youth.

It is now official that Microsoft says that the UAC is too intrusive, and it is one of the elements that will be reviewed and corrected in Windows Seven. Moreover, in pre-beta version of the new operating system, there are already four levels of settings for UAC. Proof that Microsoft can also recognize and correct its errors.

In any case it’s confirmed, since some manufacturers of hardware and software are already in the process of benefit. It remains to be seen when that SP2 will be proposed. Before or after the release of Windows 7, which if all goes well land on next June 3? Too many outstanding …