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Message boards : Graphics cards (GPUs) : GeForce GTX TITAN-Z

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Jozef J
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Message 35891 - Posted: 25 Mar 2014 | 20:45:36 UTC


http://www.geforce.com/whats-new/articles/announcing-the-geforce-gtx-titan-z

http://blogs.nvidia.com/blog/2014/03/25/titan-z/

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Message 35902 - Posted: 26 Mar 2014 | 13:00:32 UTC - in response to Message 35891.
Last modified: 26 Mar 2014 | 13:06:35 UTC



Anyway Titan Z is two Titan black for the price of three ...

For $ 3,000 you can buy two Titan Black + i7 eXtreme ...

°_°
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Message 35907 - Posted: 26 Mar 2014 | 16:06:40 UTC

Huang compared the new Titan Z to Google Brain, which features 1,000 servers packing 2,000 CPUs (16,000 cores), 600 kWatts and a hefty price tag of $5,000,000 USD. A solution using Titan Z would only need three GPU-accelerated servers with 12 Nvidia GPUs total.
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The unit obviously is directed for enterprise but the marketing will be for rich gamers as the cost benefit to a server farm is simple math and needs little convincing. 5k per server times 3 is 15k add the 36k for the cards and you have 51k cost replacing 5 mil. The cost of a day of server time is more money than buying your own now. Also the water test was used due to difficulty but also because industry like auto uses hydrodynamics. This shows real time testing ability to server time purchasers. These individuals may just buy a server brain now.
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Nvidia had this great card made ​​unavailable high-price-for many potential customers. because they are designed for mainstream buyers otherwise gf cards of the portfolio, 780,Ti, titanblack ...
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Maybe but expect some more-chip card for the mainstream to have something against the upcoming Ati 290x 2. Which will be sold at a very good price 1000-1200 EU is likely to ..

But if we are talking about Best benefit, cost / performance GPUGRID so it's obviously a different kind of discussion :-)

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Message 35929 - Posted: 27 Mar 2014 | 15:51:09 UTC - in response to Message 35907.
Last modified: 27 Mar 2014 | 15:56:37 UTC

It's a dual GK110 GPU.
I expect each GPU would deliver about 90% performance of one GTX 780Ti. So ~180% performance of a GTX780Ti.
Nice card (and top for here) but in terms of performance/purchase price it's not great. You would be much better off financially with two GTX780Ti's @£480 each (about £1000 better off). GPUGrid doesn't presently need the pricey 12GB GDDR5, but this may be very good news for some other researchers that's if there is nothing missing that they need. Otherwise they are stuck with Tesla K40's.
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Message 35931 - Posted: 27 Mar 2014 | 16:30:12 UTC

More memory = bigger systems = more fun :)

But I doubt we will soon start dishing out 12GB systems both since calculation time would increase with system size and because we would block out all users with less memory than that (pretty much everyone).

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Message 35933 - Posted: 27 Mar 2014 | 17:56:07 UTC - in response to Message 35931.

CUDA6 might help when it comes to using more than one GPU for the one app; running 1 app across 2 or more GPU's. My understanding is that the ACEMD tool can do this, but I don't think it's been done using Boinc. Might be an interesting little project.
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Message 35956 - Posted: 28 Mar 2014 | 11:05:00 UTC - in response to Message 35931.
Last modified: 28 Mar 2014 | 11:05:47 UTC

More memory = bigger systems = more fun :)

But I doubt we will soon start dishing out 12GB systems both since calculation time would increase with system size and because we would block out all users with less memory than that (pretty much everyone).

The GeForce GTX Titan-Z is a double GPU card, so each GPU has "only" 6GB RAM.
However, it is worth considering that there should be a queue for GK110 tasks, which requiring more than 2GB (and less than 3GB) RAM.
For extra bonus credit, of course. :)

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Message 35958 - Posted: 28 Mar 2014 | 12:32:39 UTC

Threads like this make my humble 660M feel so irrelevant...
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Message 35976 - Posted: 28 Mar 2014 | 20:14:38 UTC - in response to Message 35958.

Threads like this make my humble 660M feel so irrelevant...

EVERY card that crunches is relevant <thumbsup>
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Message 35986 - Posted: 29 Mar 2014 | 13:30:10 UTC



Clock speeds are expected to be around 700 MHz in order not to trip over the 375 W provided by the PCIe slot and 2 x 8 pin PCIe power plugs. That's a significant performance hit compared to 2 GTX780Ti or Titan Black.

And default 3 slot-cooling means you can't put more than 2 of them into a single standard chassis, mitigating the packaging density advantage somewhat (you can choose between 2 Titan Z or 3 Titan Black). But there are ways around this with custom cases or water cooling.

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