HD 7990 use 6gb or 3gb vram ?

super1986 · Nov 16, 2013

HD 7990 use 6gb or 3gb vram ?
on Review is say 6 gb

xroe · Nov 16, 2013

It uses a full 6gb of gddr5 memory.

ajl2011shooter · Nov 16, 2013

My understanding is it's a dual GPU card and each GPU has 3gb of vram. Which means the memory is not stackable so In reality is only has 3gb of vram.

xroe · Nov 16, 2013

ajl2011shooter :

That applys if you crossfire two 7970s however this has 6gb built into one board and is shared between both.

ajl2011shooter · Nov 16, 2013

I could be wrong but everything I'v read says in a dual GPU card the memory is halved.

xroe · Nov 16, 2013

ajl2011shooter :

You may not be wrong, although I was just under the assumption that it was shared although not actually halved,

ajl2011shooter · Nov 16, 2013

Here is a link to a old tom's post.
http://www.tomshardware.com/forum/381042-33-7990

xroe · Nov 16, 2013

Its a good thing then that you remembered that because I sure didn't, it seems like a shady marketing tactic. Atleast with crossfire the double memory is only an assumption and not actually stated as such.

super1986 · Nov 18, 2013

Today I played assassin creed 4 and afterburner show vram usage 4 GB

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HD 7990 use 6gb or 3gb vram ?

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