I'm confuse about these 2 statements about performance of 32 bit application on 64 bit Windows 7....

Posted by metal gear solid on Super User See other posts from Super User or by metal gear solid
Published on 2010-05-14T02:35:48Z Indexed on 2010/05/14 2:44 UTC
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windows-7

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64-bit

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32-bit

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Windows

Running some 32 bit applications on a 64 bit OS could actually be slower. The additional overheads in running 32 bit software in 64 bit mode could cause a slight degradation in performance. It will take some time for 64 bit software to become the norm.

Source: http://www.w7forums.com/windows-7-64-bit-vs-32-bit-t484.html

That depends. If you're working with large files or running applications that consume a great deal of memory, then 64-bit Windows will typically give you a slight performance advantage over 32-bit Windows running on identical hardware. This is true even when using 32-bit applications.

Source: http://www.infoworld.com/d/windows/32-bit-windows-7-or-64-bit-windows-7-145?page=0,3

Which is true? If i go for 64 bit Windows 7 then will i feel more performance (Compare to 32 bit windows 7) of 3 years back purchased Adobe photoshop (I think it would be a 32 bit application) and some of other 32 bit applications ?

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