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Windows 7: 32-bit vs 64-bit

post #1 of 24
Thread Starter 
Kind of a stupid question I know.. but I am just wondering if I should be using Windows 7 64-bit as opposed to Windows 7 32-bit with my current system specs?

Would I get any performance increase at all by using 64-bit?

Thanks,
    
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post #2 of 24
You'd be able to use all of your RAM.

Honestly there's no reason at this point in time to purchase or use 32 bit.
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post #3 of 24
Thread Starter 
Hmmm, I thought 32-bit fully supports 4GB of RAM though? To my understanding anything above that would be pointless unless it was in 64-bit?

:/
    
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post #4 of 24
I honestly don't understand why Mircosoft even made a 32 bit W7.
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post #5 of 24
Quote:
Originally Posted by revlimiter View Post
Hmmm, I thought 32-bit fully supports 4GB of RAM though? To my understanding anything above that would be pointless unless it was in 64-bit?

:/
3.5 Gig is all a Win 32 bit Os can address.

It used to be the drivers were the issue for 64 bit, I had all sorts of trouble with drivers on XP 64, but the drivers are now sweet in the most part.
Edited by Doom - 2/19/11 at 5:30pm
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post #6 of 24
Quote:
Originally Posted by revlimiter View Post
Hmmm, I thought 32-bit fully supports 4GB of RAM though? To my understanding anything above that would be pointless unless it was in 64-bit?

:/
Nope it's somewhere around 3.5 GB to my knowledge. You're also forgetting to include VRAM which is also limited by OS memory management.
post #7 of 24
Quote:
Originally Posted by revlimiter View Post
Hmmm, I thought 32-bit fully supports 4GB of RAM though? To my understanding anything above that would be pointless unless it was in 64-bit?

:/
Didnt feel like typing so copy pasted this from google.

Quote:
A 32-bit register means that 2^32 addresses, or 4 gigabytes worth, can be referenced. This is a hard, mathematical limitation. This 4GB includes system memory, video RAM, and any onboard memory - anything that uses an address. This is why users see less than 4 if that's what they installed.

To use more than 4GB total addressable memory, you much go to a 64bit OS. That gives 2^64 (17,179,869,184 gigabytes) of addressable space.
    
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post #8 of 24
Thread Starter 
Quote:
Originally Posted by Bobicon View Post
I honestly don't understand why Mircosoft even made a 32 bit W7.
Wasn't it because driver support was was still a bit iffy for 64-bit at the time? Or maybe I'm thinking of when Vista came out...
    
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post #9 of 24
Quote:
Originally Posted by Bobicon View Post
I honestly don't understand why Mircosoft even made a 32 bit W7.
So you think all netbooks/laptops are x64 ready? Plus windows 7 x32 runs pretty well on old machines,
post #10 of 24
32 bit can only access about 3GB. There are some tweaks that allow you to use a full 4GB, but I don't know how effective they are. Like Beers said, there's really no reason not to use a 64 bit OS. The only reason I can think of is if you run a business on your rig and have severely outdated software. Even then, it may be more practical to just look into getting newer software.


Edit:
Quote:
Originally Posted by KILLER_K View Post
So you think all netbooks/laptops are x64 ready? Plus windows 7 x32 runs pretty well on old machines,
My 3 year old Asus laptop shipped with 4GB RAM and a 32 bit OS (Vista). I still don't understand the logic behind that decision. And as far as 7 x32 running well...my daughter's rig has a 3700 single core, a 6600GT, and 2GB RAM. It runs Win 7 x64 just as fast as it ran XP, and I haven't had any driver/software issues with it either.
Edited by Mr. Mojo - 2/19/11 at 5:34pm
 
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