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GDDR speed bottleneck

Last response: in Graphics & Displays
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a b U Graphics card
February 13, 2013 3:27:32 AM

At what point will processing power and available GDDR not mean anything compared to the graphics card ability to push through code, 512 bit GDDR.

I am just thinking about what if a 3 gig 660 eventually gets down to $150 (cheapest now is $240 w/MIR) or less if bought used. Even if running 3-4 of these would it outperform most/all other graphics cards or would one 690 with 512 bit GDDR still be faster just because of the memory bandwidth, and at what point may this become true.

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a b U Graphics card
February 13, 2013 4:07:11 AM

It seems that a one gig card is already a bottle neck, do people think that in the next 6 months to a year that the 512 bit GDDR will be the next bottleneck. I am trying to figure out when the next upgrade should occur for me and for friends on the graphics front.
a b U Graphics card
February 13, 2013 1:31:26 PM

512 bit memory interface for GDDR has a long way to get bottleneck....it would be a minimum for a year or two.


running 3 660 ti s in sli will surely beat anything that is out there presently....but you need to have a mobo that is capable enough to provide for so much pci-e bandwidth. the top of the line mobos that has PLX chips can do so.


4way sli though is not possible with the 660
a b U Graphics card
February 13, 2013 3:00:40 PM

does anybody remember what series of cards the 192 bit interface was established with on the nvidia side (not a personnel preference but that is where I started)
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