is the 64 bit operating system double spped then 32bit operating system?
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if your asking if it's faster then yes in some cases but not always. and there are a lot of driver issues that can come around since a 64bit windows machine will not load 32bit drivers. Plus not all apps are 64bit so they get run inside of a helper wrapper. Some examples of apps that don't exist in 64bit: Cisco VPN client (not anyconnect but the actual full VPN client), Microsoft Office apps, the list goes on.
64-bits are the number of instructions it can process at once. There are some overhead limits on what the machine can take in so as far as double speed no you will neever double the speed. I'd say its closer to like 2/3 faster not a full double. But this also depends on the application if its not written for 64bit the os has to load things around itto help it out which can slow it down.
A 64 bit operating system (OS) can be "faster" than a 32 bit OS in certain cases (assuming you have a 64 bit processor). This depends on two factors:
1.) The amount of RAM: A 32 bit OS is limited to 4GB max. A 64 bit OS can theoretically handle up to 16 exabytes (however the actual value is far lower due to limitations imposed by the hardware). Therefore, if you have 6GB or anything more than 4GB of RAM installed, a 64 bit OS will definitely help.
2.) The applications being used: if the application being used has not been written for 64 bit systems then you will not see any performance gains due to using a 64 bit OS. If however the application was written for a 64bit OS there will be definite improvements in the speed.
Simple answer: Yes, it's faster; no, it's nowhere near twice as fast.
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r.e. the comment "... 64-bits are the number of instructions it can process at once ..." ==> NO!! It has nothing to do with how many instructions the system can process. 64 bits refers to the number of bits of data that are processed at once in the arithmetic and logical registers. But clearly if you can process more data per instruction, then the system will run faster IF the underlying code takes advantage of the 64-bit instructions.
Think of a calculator that only displays 4 digits. If you want to add a series of 6-digit numbers you'll need to add the first 3 digits of every number; write down the result; then start with the carried 4th digit and add the high-order 3 digits of all the numbers; and then you can write the answer. But if your calculator displayed 8 digits, you could simply add all the numbers in one operation. That's the concept.
... But if you had a program that was designed to add the lower-order 3 digits; then do the 2nd set of operations; and didn't realize that the "new" machine could simply add all of the digits in the first place, then that program wouldn't benefit. That's the issue with many software applications -- they simply aren't 64-bit "aware".
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by: tljones00Posted on 2009-10-16 at 11:10:46ID: 25591873
If you are asking if the 64 bit version is faster, then your answer is yes. I don't know if I would go as far as saying twice as fast though. It is more stable as well..