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[Official] Nvidia GeForce GTX TITAN Owners' club - Page 2290

post #22891 of 28136
Quote:
Originally Posted by Star Forge View Post

It proves that nVidia can put two fully unlocked GK110 with 12 GB of GDDR5 VRAM on the same PCB. So the 790 is possible. The only thing is it will most likely be 6 GB GDDR5 with crippled DP64 Compute at 1500 USD?

Even with that, I want 20nm Maxwell news! mad.gif

It will depend on AMD for you to see Maxwell@20mn but i dont think you will see it this year! you will see high clocked 28mn Maxwell chips besting the Keplers by 20%!
Nvidia increased the amount of L2 cache on GM107 to 2 MB, up from 256 KB on GK107, reducing the memory bandwidth needed. Accordingly, Nvidia cut the memory bus to 128 bit on GM107 from 192 bit on GK106, further saving power.
Nvidia also changed the streaming multiprocessor design from that of Kepler (SMX), naming it SMM.
The layout of SMM units is partitioned so that each of the four warp schedulers controls isolated FP32 CUDA cores, load/store units and special function units, unlike Kepler, where the warp schedulers share the resources while texture units and FP64 CUDA cores are still shared.
SMM allows for a finer-grain allocation of resources than SMX, saving power when the workload isn't optimal for shared resources. Nvidia claims a 128 CUDA core SMM has 90% of the performance of a 192 CUDA core SMX.
GM107 supports CUDA Compute Capability 5.0 compared to 3.5 on GK110/GK208 GPUs and 3.0 on GK10x GPUs. Dynamic Parallelism and HyperQ, two features in GK110/GK208 GPUs, are also supported across the entire Maxwell product line!
Basically its a stretched, boosted Kepler! wink.gif

Quote:
Originally Posted by LaBestiaHumana View Post

If the next flagship is almost as fast as the Titan Z, I might upgrade, and eat my words about skipping Maxwell.

I think that Titan Z is sexy and luxurious. One of those on a Hadron case, with a Z97 mitx board will be sexy.


Nop! 25/30% less powerful than TitanZ, IF Titan Z was used for gaming as a GTX 790! wink.gif


Cheers

Ed

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post #22892 of 28136
You guys are totally missing it... Titan Z is a monster. A single Titan Z server is 2,000W( a server with ONE Titan Z)

We will how ever see a cut version turned into 790, most likely.
Edited by skupples - 3/25/14 at 3:45pm
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post #22893 of 28136
You got it off that Stanford slide I assume? It was total draw expected (with usual Nvidia excess to be safe) for a server with 3 Titan-Z and other components as well. Worst case: Titan-Z is a 650W TDP unit, not 2000W. Very likely it is a 450-550W unit since it is pretty much 2x Titan Blacks.

Edit: If you look at the image from today's talk, it may well be running just off the PCI-E slot tongue.gif


Edited by geggeg - 3/25/14 at 3:45pm
post #22894 of 28136
Quote:
Originally Posted by geggeg View Post

You got it off that Stanford slide I assume? It was total draw expected (with usual Nvidia excess to be safe) for a server with 3 Titan-Z and other components as well. Worst case: Titan-Z is a 650W TDP unit, not 2000W. Very likely it is a 450-550W unit since it is pretty much 2x Titan Blacks.

Just went back, 1 Titan Z server is 3 Titan Z's, so yea 650W.
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post #22895 of 28136
Quote:
Originally Posted by skupples View Post

Just went back, 1 Titan Z server is 3 Titan Z's, so yea 650W.

post #22896 of 28136
That's still assuming nothing else is in the server which is unlikely. There would well be a motherboard, processor, RAM, HDDs etc and the 2kW is also a conservative number I bet.
post #22897 of 28136
Quote:
Originally Posted by geggeg View Post

That's still assuming nothing else is in the server which is unlikely. There would well be a motherboard, processor, RAM, HDDs etc and the 2kW is also a conservative number I bet.

Those CPUs are only 200W, 80% of the 2000W (which is conservative) is likely the GPU cluster.
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post #22898 of 28136
Ya, that's why I still think the Titan-Z (which will again be completely tied down with volt locking and low base clocks) will likely require a 500-600 W each at most.
post #22899 of 28136
Yeah... I don't think Z will be aimed @ the consumer market like Titan is. I think we will see a slightly cut 400-500W model sold as 790.
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post #22900 of 28136
Quote:
Originally Posted by Slinky PC View Post

3DMark 11 (Entry) Hall Of Fame Rank 2 (Best Titan Result)
3DMark 11 (Entry) Hall Of Fame Rank 2 (Best Titan Result) by Slinky PC post-flame-small.gifpost-flame-small.gifpost-flame-small.gifpost-flame-small.gif

Awesome, Original Titans still kicking ass. thumb.gif
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