4gb ram for sapphire 7790 dual x oc

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photonboy
4GB is considered the minimum for medium gaming, but the graphics cards don't "need" the System RAM to be a particular size.

You should have 64-bit Windows however or you'll have problems with insufficient System RAM. 32-bit Windows can only address 4GB which includes ALL memory. So if you had 32-bit Windows with 2x1GB cards you'd have LESS than 2GB of that physical 4GB of System RAM usable by Windows (about 1.8GB).
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photonboy

photonboy

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Jun 20, 2006
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4GB is considered the minimum for medium gaming, but the graphics cards don't "need" the System RAM to be a particular size.

You should have 64-bit Windows however or you'll have problems with insufficient System RAM. 32-bit Windows can only address 4GB which includes ALL memory. So if you had 32-bit Windows with 2x1GB cards you'd have LESS than 2GB of that physical 4GB of System RAM usable by Windows (about 1.8GB).
 
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Lucian28

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Nov 3, 2013
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will i be ok on 64 bit windows 7 + gaming?

 
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photonboy

photonboy

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Jun 20, 2006
21,567
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85,015
Skyrim uses up to 1.75GB of System RAM in my tests and it probably uses more than most.

I've seen benchmarks for a few games that show better performance with more than 4GB but overall very few games need more. It would be a good idea to close any browser windows and any programs that may be using a lot of RAM while gaming.

Don't use memory management programs. Windows does a great job of this for you. Although you might observe 3GB of your 4GB being used before starting a game, if your game requires more than 1GB it will buffer data to your Pagefile on your main HDD or SSD to free up space automatically.
 
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