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

post #1 of 149
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Quote:
It’s been quite a while since we’ve looked at triple-GPU Crossfire and SLI performance – or for that matter looking at GPU scaling in-depth. While NVIDIA in particular likes to promote multi-GPU configurations as a price-practical upgrade path, such configurations are still almost always the domain of the high-end gamer. At $700 we have the recently launched GeForce GTX 590 and Radeon HD 6990, dual-GPU cards whose existence is hedged on how well games will scale across multiple GPUs. Beyond that we move into the truly exotic: triple-GPU configurations using 3 single-GPU cards, and quad-GPU configurations using a pair of the aforementioned dual-GPU cards. If you have the money, NVIDIA and AMD will gladly sell you upwards of $1500 in video cards to maximize your gaming performance.


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post #2 of 149
Hmm, seems like some games NVIDIA scales better, and some games AMD does, but both could use some improvements.
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post #3 of 149
Now why not do 6990/6970 tri fire?
Much the same as the earlier tri/sli/cfx review, AMD > NV.

Again looks like AMD scales better in general and at 3 cards especially , this goes back to last year as well.


Really wish they would have tested with a higher cpu overclock, yeah they both would have improved, but fermi scales much better with a faster proc.

How about that Wolfenstein scaling for AMD, wonder if they used those big fat 0's for the total scaling percentage.
Edited by grunion - 4/3/11 at 8:02am
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post #4 of 149
With those numbers it's clear, AMD is better in TRI then NVidia
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post #5 of 149
post #6 of 149
AMD needs to work on the design for their GPU coolers, though...Middle card at 99* C...
post #7 of 149
Nice read, about what I expected... now if only these two companies could fashion some drivers...
 
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post #8 of 149
Quote:
Originally Posted by decimate View Post
AMD needs to work on the design for their GPU coolers, though...Middle card at 99* C...
That's on mobo manufactures IMO, course not enough people run triple cards for them to care, I guess.

And with tri fire, I don't know why anyone would go 3 over 2 anyway, I wouldn't.
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post #9 of 149
How are these cards supposed to get any airflow?
post #10 of 149
Look at those much much cheaper 6970's go

You could go quad fire with those cards and still have money left over compared to the 3 GTX's
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Overclock.net › Forums › Industry News › Hardware News › [Anand] A Look At Triple-GPU Performance And Multi-GPU Scaling, Part 1