Additional benefits of having a 64-bit OS over a 32-bit?

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32- versus 64-bit Windows OSes
64-bit Servers
Operating system platforms
Windows 7 in 2010
Windows Operating System
Why would I want a 64-bit operating system over a 32-bit one? I have heard I can load more memory (over 4GB) on a 64-bit machine but what are the other benefits of using a 64-bit OS? I know there are issues with a lot of drivers. Do the benefits outweigh the issues? Do most applications work on a 64-bit machine with a 32-bit program?

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If all your hardware as 64bit drivers, and all your software works in a 64bit platform then go 64bit.

You can add more memory and more CPUs (especially important in a server platform). Also some server level software isn’t available in a 32bit platform. This includes Exchange 2010, probably the next version of SQL Server, and future versions of Windows Server.

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  • carlosdl
    Most 32 bit programs will probably run on a 64 bit OS, but they will probably need to run on an additional compatibility layer, wich could make them work even slower than if they were running on a 32 bit OS on the same hardware. However, applications designed to take advantage of the 64 bit architecture will show additional performance benefits than the ones related to the bigger amounts of RAM the proccessor can map, because the CPU will be able to move larger amounts of data between its registers in a single operation. The best recommendation could depend on the software you are planning to run on the system, and obviously, on the drivers availability for you hardware.
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  • batye
    if you using Win XP 32 bits and Planing to use Win XP 64 bit - do not bother but with Win 7 64 bit vs 32 bits you would see better OS loading speed and some programs in 64 bits do run faster
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  • Radyair
    One other significant benefit is that Some programs such as data encryption software can benefit greatly from 64-bit registers (if the software is 64-bit compiled) and effectively execute 3 to 5 times faster on 64-bit than on 32-bit. The same is true of audio/video encoding/decoding.
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  • MelanieYarbrough
    [...] are both 32-bit and 64-bit versions of the combination download. You have a choice of using Windows Update or network installation of [...]
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  • MelanieYarbrough
    [...] of older questions is to approve the answer that worked for you. It’s always great when multiple members get in on a discussion, offering ideas and methods, but this can cause confusion in future readings of the thread. If [...]
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  • MelanieYarbrough
    [...] Mr. Denny, Carlosdl, Batye and Radyair outlined some of the additional benefits of having a 64-bit OS over a 32-bit. [...]
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  • r3boot
    application designed into 64 bit architecture/framework translate speed but it all depends on the software that you're gonna used.
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  • MelanieYarbrough
    [...] the discussion and we succeeded: See what Mr. Denny, Carlosdl, Batye, Radyair and R3boot see as the additional benefits of having a 64-bit OS over a 32-bit. It’s not too late to share your [...]
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  • MelanieYarbrough
    [...] 2. People are still paying attention to what Mr. Denny, Carlosdl, Batye, Radyair and R3boot have to say about the additional benefits of having a 64-bit OS over a 32-bit. [...]
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