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SLI two cards with the same brand but with different Vram

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  • Gtx
  • EVGA
  • SLI
  • Graphics
Last response: in Graphics & Displays
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February 2, 2014 1:31:12 PM

I have two cards, EVGA GeF GTX 670 2GB and a EVGA GeForce GTX 670 4GB+ w/Backplate. Will I be able to SLI both of these?

Would it just SLI with 2gb?

More about : sli cards brand vram

February 2, 2014 1:36:10 PM

The 4gb would run as 2gb to match your lowest speed and/or memory module speed whichever comes first. Many people don't know that even though you cannot run in SLI for different cards completely, you can still slave one card of your choice for strictly physx handling and nothing else. Hope that helps~ Good luck!
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February 2, 2014 1:40:47 PM

I don't think you can with sli as it requires them to be exactly the same whereas crossfire you can have big changes
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February 2, 2014 1:50:56 PM

SLI doesn't require them to be exactly the same, where did you get that from?

It requires they be the same chip but it will negotiate the performance aspects of that chip to make them match. So if you have a Superclocked GTX 670 2GB and a standard GTX 670 4GB it would pick the lowest common denominator of both cards and give you effectively stock clocked GTX 670 2GB SLI. Requiring them to be exactly the same would preclude SLI from being considered as an upgrade option.
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February 2, 2014 2:02:07 PM

hunter315 said:
SLI doesn't require them to be exactly the same, where did you get that from?

It requires they be the same chip but it will negotiate the performance aspects of that chip to make them match. So if you have a Superclocked GTX 670 2GB and a standard GTX 670 4GB it would pick the lowest common denominator of both cards and give you effectively stock clocked GTX 670 2GB SLI. Requiring them to be exactly the same would preclude SLI from being considered as an upgrade option.


Basically everyone, even people in this post have said also. I mainly got it from Linustechtips. Thank you for giving me a solid answer so soon :) 
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