8800 why 640mb?

The 640MB is not split up into different categories, so whatever needs it, uses it. Right now it's all allocated for graphics, however in the future when they are usable as physics cards, that would be a different story.
 
[-0MEGA-];512045 said:
The 640MB is not split up into different categories, so whatever needs it, uses it. Right now it's all allocated for graphics, however in the future when they are usable as physics cards, that would be a different story.
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interesting... never did much research into it...
 
goosy22 said:
interesting... never did much research into it...
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In the near future you will be able to use many new GPU's as PPU's, however i'm not 100% sure how exactly it will work, and whether it would use all the available VRAM.
 
[-0MEGA-];512053 said:
In the near future you will be able to use many new GPU's as PPU's, however i'm not 100% sure how exactly it will work, and whether it would use all the available VRAM.
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hmm... i suppose it will take some sort of software to divide the allocation of available memory somehow... or maybe firmware updates will do the task...
 
goosy22 said:
hmm... i suppose it will take some sort of software to divide the allocation of available memory somehow... or maybe firmware updates will do the task...
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I'm not sure if you're misunderstanding me. I'm not saying you can use say, an 8800GTX for video and physics processing, i'm talking about having an 8800 completely dedicated to physics.
 
mrbagrat said:
Isn't only ATI doing that though? At least, thats all I've seen articles for.
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Both Nvidia and ATi are working on a ~3 card setup, where 1 card is dedicated for physics (usually needs lesser amounts of power, so it would be a X1600XT along with crossfire X1900XTs, for example) and the other 2 are for graphics.
 
I'm preobably wrong, but weren't there two memory controllers or something? One for the 128, another for the 512? I thought I recalled reading something odd like that.
 
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