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Do I need 64bit or 32bit windows 7

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February 2, 2010 10:14:17 PM

Hello, I'm looking at purchasing this GIGABYTE GA-MA790XT-UD4P AM3 and this AMD Phenom II X3 720 Black Edition. Can I run 32bit or 64 bit windows 7 and why? Thanks. Joseph.

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a b $ Windows 7
February 2, 2010 11:45:56 PM

Your hardware can support a 64 bit operating system. There is no price difference between the two versions, so I would recommend the 64 bit OS. If you wanted to use more than ~3.25GB of RAM, you can with the 64 bit, but not the 32 bit OS.
a b $ Windows 7
February 3, 2010 12:31:00 AM

Your Mobo & CPU will definitely a good to go for X64 edition of windows 7.
32 bit windows won't support more than 3 GB ram.
64 bit is the Present & Near future (Soon 128 bit may come), 32 bit OS is a kinda obsolete now.
For supporting & to keep alive the existing 32bit systems only the 32 bit versions of Windows 7 is out.
I afraid that same thing will happen with next version of windows. (Doubtful about 32bit Support)
I strongly recommend you to go to Windows 7 64 bit only.

As aford said there is no price difference. You can blindly choose 64bit Windows 7.
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a c 209 $ Windows 7
February 3, 2010 2:19:42 AM

saran008 said:
64 bit is the Present & Near future (Soon 128 bit may come)


Nope. If you're talking about using 128-bit data, then that's old hat. Intel x32 and x64 CPUs have included 128-bit data registers ever since SSE was announced in 1999.

If you're talking about using 128-bit addressing, it ain't happening any time soon. Let me paint you a picture: think of the 4GB of RAM memory that's addressable using a 32-bit address as if it was a single sheet of paper. My computer has 12GB of memory - that's like 3 sheets of paper.

Here's the rub - going from 32-bit to 64-bit addressing multiplies the amount of accessible memory by 4 billion times. So the memory accessible by a 64-bit computer is equivalent to a stack of 4 billion sheets of paper - that would be well over 600 MILES high.

Big computers today may use the equivalent of "several" to "dozens" of sheets of paper. The Server versions of Windows top out at 2TB, equivalent to a 20-inch stack of paper. Do you really think there's going to be a need for "600 miles" of memory any time in the next couple of decades?
February 3, 2010 2:29:00 AM

Thanks to all of you. 64bit it is. Now if invidia would hurry up and bring those new cards out so there's a price competition. My 8800gt is hurtin'.
February 3, 2010 2:33:18 AM

^ Agree. Unless we're able to exhaust that much memory, 128-bit addressing isn't coming yet.

As for the OP, you should opt with Win7 64bit. Unless you have some compatibility issues with it, then you might as well consider the 32bit variant.
a b $ Windows 7
February 3, 2010 2:41:57 AM

Thanks For Explaining sminlal!
I studied gossips about Windows 8 that it may include 128 bit version.
That only I mentioned there!
Sorry If I misguided something wrong! :( 
!