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What do 64-bit processor expand beyond what 32-bit processors have?
Wiki User
∙ 10y ago
Registers
A 64-bit processor has a wider data path. It is able to move and process data 64 bits at a time in a single operation. A 32-bit processor would have to do this in multiple instructions. It also can have a 64 bit addressing field allowing it to access a higher memory address range without resorting to memory segmentation methods. The 64 bit processors will also have wider registers to manage bigger chunks of data faster.
Meredith Walsh
Wiki User
∙ 14y agoMemory
It mainly deals with how much RAM the processor can use. Lets compare this to your home address. If your city was limited to using 4 digits for your home address, you could only have 9,999 houses before you ran out. If your city used 8 digits instead you could have 99,999,999 houses, or more than they would ever need.
A 32 bit processor can only address 2^32 locations, or 4GB of RAM. a 64 bit processor can address 2^64 address, which is roughly 184 with 17 zeros after it, which is more than you will ever need.
Speed
Data is processed in 32 or 64 bit chunks. If a program needs to work with very large numbers, a 64 bit processor will handle it faster since it doesn't have to do any extra work when the number is larger than 2^32.
This isn't always the case. If you are working with small numbers, there's no advantage to having 64 bits. The extra bits will just be filled with 0's. For example, if you add 0005 to 0008 you get 0013. If you add 00000005 to 00000008 you still get 00000013.
So don't think 64 bit is twice as fast as 32 bit, because it isn't.
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First off, I'm assuming you know what a microprocessor is. If not, please go look up that question (or, a related topic, the CPU (Central Processing Unit). 32 and 64 bits processors refer to the size of the native (default) word size in a processor. In a 32 bit processor, all basic operations happen on chunks of information 32-bits in size - information requiring more storage requires multiples of the 32-bit word. Likewise, 64-bit processors operate with a native size of 64-bit words. See the related question below for a more thorough explanation of the impact of 32 vs 64 bit native word size in a processor.
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Difference between 32 bit and 64bit?
This applies to Windows XP and all 32bit or 64bit Windows Operating systems: 32bit Windows Operating systems are made to be used with 32bit motherboard/processors. All 64bit Windows Operating systems can only be used on a 64bit motherboard/processor and will not work with 32bit motherboard/processor architecture. 64bit Windows Operating Systems is also the only one made to utilize all of the processors on multi core processor (dual core, quad core, etc) systems. All Windows Operating systems are designed to function with a specific hardware architecture design. *some 64bit processor/motherboard combinations have a backward compatibility that allow you to use a 32bit operating system on a 64bit system by disabling 32bit. When you operate a 64bit processor in 32 bit mode it turns off some of the processors. This means a dual core will work as a single core, a quad core will work as a dual core (you can never get more the 2 processors to function in 32bit mode, even if there are more then 4 processors on the same processor die.)
Is there a LOL 64bit version?
There is not. And that is because 64bit can run 32bit, but 32bit has problems running 64bit.
Can you run 32-bit Windows XP on a 64-bit process?
No, not unless all of the following .Confirm that the computer's processor and motherboard are both 64bit. All 64bit Windows Operating systems will only work on computers that have both 64bit processor and 64bit motherboard architectures.Confirm the computer has no less then the other minimum hardware requirements (Processor Speed, Ram memory, Hard Drive memory, etc.) for the Windows 7 64bit version you want to install.Windows XP 32bit must be removed/deleted before doing a clean install of Windows 7 64bit on the hard drive.
