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do i need more then 1 gig graphics ram?

post #1 of 9
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hi i going to crossfire 2 hd 7770ghz oc
do i need more then 1 gig ram to play all games on ultra?
what does the ram do really?
post #2 of 9
Quote:
Originally Posted by tymois View Post

hi i going to crossfire 2 hd 7770ghz oc
do i need more then 1 gig ram to play all games on ultra?
what does the ram do really?

Are you using a multi screen setup?
   
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post #3 of 9
Quote:
Originally Posted by tymois View Post

hi i going to crossfire 2 hd 7770ghz oc
do i need more then 1 gig ram to play all games on ultra?

Depends on your screen resolution, I don't think 1 GB Vram is enough for 1080p Ultra, especially with anti-Aliasing.


Quote:
What does the ram do really?

Find the answer here
Edited by KaRLiToS - 2/12/13 at 10:11am
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post #4 of 9
To put it in laymans terms, imagine a desk

how big the top of that desk, or how many things you can have the desk at once without cluttering, is the ram
How fast you can work with those things is the CPU
and how big the desk's drawers are, is the Hard drive,

Now if you want to play games that take up resources, on ultra, you should probably get at least 4gb of ram.
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post #5 of 9
Yes you absolutely need more than 1gb of graphics ram. Graphics ram is memory on the graphics card that loads and holds textures and landscapes of your in game surroundings. Metro 2033, on 1920x1080p on ultra requires 1.5-1.6gb of ram what I wold do is if u haven't already gotten the second card, I would sell the first card and buy a 7950 or if you can afford it, a 7970. These cards have 3 gb of VRAM, and will easily max out any game, and if overclocked, at a resolution higher than 1080p
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post #6 of 9
Quote:
Originally Posted by Boinz View Post

To put it in laymans terms, imagine a desk

how big the top of that desk, or how many things you can have the desk at once without cluttering, is the ram
How fast you can work with those things is the CPU
and how big the desk's drawers are, is the Hard drive,

Now if you want to play games that take up resources, on ultra, you should probably get at least 4gb of ram.

He was talking about graphic memory but your idea works with it to tho he would only need 2gigs per card to max most things out at 1080p. Keeping aa/af down or off would allow games to be maxed out maybe tho.
Edited by Bal3Wolf - 2/12/13 at 10:21am
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post #7 of 9
Boinz I believe he means video ram. But yes you need at least 4gb if ram for the CPU, and at least 2 for the video card(v ram)
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post #8 of 9
Yes, you need more than 1GB of vram. My brother's 460 SLI is not able to max some games anymore because of the 1GB vram. I also tried 560s SLI and 1GB was not enough. There were some parts where I had very high FPS, but in places were it needed a lot of vram made me drop velow 30 fps.
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post #9 of 9
Depends on your monitor resolution.
Here's a rough estimate on what's needed to play the most recent games at high settings on a given resolution:

2560x1600 to 5760x1080 = 3GB or higher

1920x1080 to 2560x1440 = 2GB

1280x720 to 1680x1050 = 1GB

1024x768 to 1156x864 = 512MB


Take note that having large ram doesnt mean the videocard is faster.
Some nvidia partners sell GT630 and GT640 with 2gb or 4gb ram but both are too slow to fully utilize all that ram.
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