Windows 8 and 8.1 Forums

Windows BITs!

  1. #1

    Windows BITs!


    Hi.What it's the difference between 32x bit and 64x bit of windows 7 or windows 8?I mean,64x is better than 32x?Why?

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  2. #2


    Posts : 2,156
    Win7 Ult on DIY; Win8 Pro on MBP/Parallels; Win7 Ult on MBP/Boot Camp; Win7 Ult/Win8 Pro on HP
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  3. #3


    Thank you! TC!
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  4. #4


    Posts : 2,156
    Win7 Ult on DIY; Win8 Pro on MBP/Parallels; Win7 Ult on MBP/Boot Camp; Win7 Ult/Win8 Pro on HP


    You are very welcome TC.
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  5. #5


    Posts : 1,925
    Windows 8.1 Pro


    It's not a matter of "better" or "worse". 64 bit Windows can access more memory, and has some capabilities that 32 bit doesn't have. That's all there is to it.

    Either you computer can run 64 bit software or it can't. If it can't, you must run 32 bit Windows. If it can, then you should run the 64 bit OS.
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  6. #6


    I've read that 32-bit OS is being phased out for awhile now. So I've been careful of motherboards or computers I compare and recommend for friends at least support 64-bit OS. As well as capable of increasing memory to at least 8GB memory.
    Also read that options in future will be 64-bit or 128-bit. Even if they go that route, we know they will support 32-bit for awhile.
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  7. #7


    Quote Originally Posted by pcRat View Post
    I've read that 32-bit OS is being phased out for awhile now. So I've been careful of motherboards or computers I compare and recommend for friends at least support 64-bit OS. As well as capable of increasing memory to at least 8GB memory.
    Also read that options in future will be 64-bit or 128-bit. Even if they go that route, we know they will support 32-bit for awhile.
    The metro UI and Window8 RT is 32 bit.
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  8. #8


    Posts : 1,925
    Windows 8.1 Pro


    It's unlikely we will see a 128 bit OS in our lifetimes. There simply is no reason for it. The "bitness" of the CPU refers to the size of the address space, and at 16 Exabytes there is unlikely to be any application that would ever need that much memory in our lifetime (of course never say never, but it's highly unlikely).

    That's not to say we don't have CPU's that have internal 128+ bit registers, which we already have... but there is simply no need to address that much memory for any conceivable purpose we currently know.
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  9. #9


    Posts : 1,925
    Windows 8.1 Pro


    Quote Originally Posted by labeeman View Post
    The metro UI and Window8 RT is 32 bit.
    That's not true in the slightest. Windows RT can be either 32 or 64 bit. Metro apps are similar to Java and .Net apps in that they are compiled to byte-code and then can be recompiled on the runtime to target the specific platform (32 bit, 64 bit, arm, x86, ppc, whatever).

    In fact, if you look in task manager on a 64 bit system, and run various Metro apps, you can see that some are 32 bit, and some are 64 bit. For instance, most apps that ship with Windows 8 are 64 bit, like Mail or Messenger. Many 3rd party apps are 32 bit, but some are 64.. like Neflix, for instance.
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  10. #10


    Webster NY US
    Posts : 325
    Win 7 / Win 8


    I'm sure some innovative software team at some large software company will come up with a way to bloat software enough to need 128-bit addressing. It was Bill Gates who didn't think we'd need more than 640KB in his lifetime.

    Seriously, there are other benefits to "bitness" besides addressable memory. CPU designers could come up with some kind of processor functionality that benefits from a wider word. Who knows...
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