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[Anand] A Look At Triple-GPU Performance And Multi-GPU Scaling, Part 1 - Page 3

post #21 of 149
Quote:
Originally Posted by decimate View Post
"Yeah, these cards CAN run in tri-Fire, but they're NOT MEANT to be."
What he means is that the coolers aren't designed with the sole intention on dissipating a larger quantity of heat when sandwiched against one or more identical cards, and he's right. e-ATX needs to become more commonplace for enthusiasts so that this zero-gap in CF situations can be avoided.
post #22 of 149
Cool article. Crossfire scaling is doing really well. I wonder how many of those benchmarks the 580 ran out of memory like the reviewer suspected.

He says he will test this scaling on a 3x1 surround display setup later in the month. It would really be interesting how a more "mainstream" (EVGA) 3GB 580 would compare against the 6970 in Eyefinity/Surround tests. Although that card will be around twice the cost. Nvidia need to wake up and lower the ridiculous high cost of their top cards versus AMD.

One thing this article did not hit upon was micro-stuttering. It would be interesting to take a look at that. Usually crossfire has faired poorer in that regard.
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post #23 of 149
Quote:
Originally Posted by grunion View Post
Just noticed something, one of these 3 is not like the other.

Attachment 203593
It looks like they put a GTX 570 in that pic instead of a GTX 580.
post #24 of 149
I would never run three cards that close together without a highend H2O setup. Then again you would probably end up spending a ton on enough to cool three cards like that.

Anyway, even though the scaling is getting better, I doubt 3 GPUs will move much beyond a very niche market, especially when for most games you are talking about 80FPS -> 100FPS.
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post #25 of 149
I think having an shroud indentation (angle alpha) is a nice idea to help letting (perhaps just slightly more) air into the fan.

Also, as mentioned above, one of the GTX580s has only two 6-pin PCIe connectors. Oddly and interestingly enough, Anand gave that pic a file name ''tri sli 575 px''. Perhaps that is a secret GTX575???

Edited by windfire - 4/3/11 at 8:43am
post #26 of 149
this was a very interesting article and it confirms many things i have been seeing lately since i changed video cards. i am really looking forward to reading the article when they compare the triple gpu setups at triple monitor resolutions.
post #27 of 149
Quote:
Originally Posted by Riou View Post
It looks like they put a GTX 570 in that pic instead of a GTX 580.
Maybe they fudged the tri sli numbers
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post #28 of 149
its just the seating of that card. they dont always align perfectly because theres other fitment issues with usb/firewire/sound headers.
    
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post #29 of 149
Quote:
Originally Posted by grunion View Post
Maybe they fudged the tri sli numbers
Here is another pic:



It is weird how a 580 would have two 6-pins instead of an 8-pin and 6-pin like the reference model. According to the picture in this article, the middle card above is a 570 and the card on the right is a 580.

I wonder where is the 3rd GTX 580 at Anandtech. Strange.

Quote:
Originally Posted by windfire View Post
Also, as mentioned above, one of the GTX580s has only two 6-pin PCIe connectors. Oddly and interestingly enough, Anand gave that pic a file name ''tri sli 575 px''. Perhaps that is a secret GTX575???
Anandtech has now changed the picture filename to TriSLI.jpg. Hmmmm...
Edited by Riou - 4/3/11 at 9:01am
post #30 of 149
You guys think Anand substituted a 570 for a 3rd 580 since they didn't have a 3rd? That would make the VRAM limit be hit much more quickly.
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