32-bit and 64-bit Win7

A

amber_dad

New Member
Hi everyone,

I would like to know what the difference between the 32-bit and 64-bit versions of win7 are. If anyone would like to explain how they work also, I'd appreciate the info.

HP Pavilion a1700n
CPU: Athlon 64 x2 3800+
MB: NODUSM3
GC: A GeForce 6150 LE
RAM: 512Kb x2
OS: 32-bit Win7

Oh yeah I forgot, I'm thinking about putting in a GCU. Where would I find what's compatible?
 
The main differences between the 32-bit versions of Windows 7 and the 64-bit versions of Windows 7 relate to memory accessibility, memory management, and enhanced security features. The security features that are available in the 64-bit versions of Windows 7 include the following:

-Kernel Patch Protection
-Support for hardware-backed Data Execution Protection (DEP)
-Mandatory driver signing
-Removal of support for 32-bit drivers
-Removal of the 16-bit subsystem

One of the greatest advantages of using a 64-bit version of Windows 7 is the ability to access physical memory (RAM) that is above the 4-gigabyte (GB) range. This physical memory is not addressable by 32-bit versions of Windows 7.

Depending on the version of Windows 7 that is installed, a 64-bit version of Windows 7 supports from 1 GB of RAM to more than 128 GB of RAM. The ability to address more physical memory lets Windows 7 minimize the time that is required to swap processes in and out of physical memory. Therefore, Windows 7 can manage processes more efficiently. This memory management feature helps improve the overall performance of Windows 7.

Advantages when you install a 64-bit version of Windows 7

-Increased memory support beyond that of the 4-GB addressable memory space that is available in a 32-bit operating system
-Increased program performance for programs that are written to take advantage of a 64-bit operating system
-Enhanced security features
 
With your system your not going to see any noticeable between 32 and 64 bit 7. If your buying a retail version of 7 that you can use again when you upgrade your system there is no reason not to get the 64 bit.
 
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