4 gb ram on 32 bit?

maniac007

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Aug 26, 2010
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am planning to buy i3 530 processor. i guess it supports 64 bit windows..

so whats better, a 32 bit operating windows or a 64bit operating windows..
also will a 32 bit windows [xp or seven] be able to recognize 4gb of ram ?
 
Solution
If you haven't already bought the 32 bit go for 64 bit. 32 bit programs can generally run on 64 bit. Also your running high end programs and you could need even more then 4GB of ram in the future which would not be possible with 32 bit.
A 32 bit OS can address 4 GB of RAM. The problem is that the OS depends on memory mapped i/o. Any space used for memory mapped i/o comes out of the RAM address space.

Google "memory mapped i/o" for a full explanation.

Windows (all flavors) uses a lot of address space for i/o.
 

maniac007

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i'll be installing windows 7 ultimate 32 bit.. i've heard that it can use whole 4 gb ram.. is it true?
 

Wolygon

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If you haven't already bought the 32 bit go for 64 bit. 32 bit programs can generally run on 64 bit. Also your running high end programs and you could need even more then 4GB of ram in the future which would not be possible with 32 bit.
 
Solution