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Nvidia "Kepler" Info Thread - Page 4

post #31 of 39
Thread Starter 
Quote:
Originally Posted by covertash;11748553 
My post is a response to someone else's post. That's where it's coming from. smile.gif

However, you are absolutely right. The 580 does come with a better cooler and it does use more power than the 480 at load, but it does also come with an increase performance as well (however so slight). The spin on it is that it is more efficient per watt; they did not say *how* much more efficient per watt, just that it *is* more efficient.

Maybe to you, power consumption and efficiency does not matter all that much, but to others it makes a huge difference. Ask any Folder who pays his/her own electric bill. eek.gif But regardless of our take on it, power consumption and efficiency are issues that do need to be addressed. If Nvidia is looking to achieve a significant performance increase with each succeeding generation, they need to be able to figure out how to power it within the PCIE spec. They cannot expect to do whatever they want and sell cards that have to be stored in their own case, run off its own power generator, and cooled with LN2 at stock.

Remember, I'm not the one who is standing in front of a crowd talking about achieving more performance per watt, Jen Hsun is. But the fact of the matter is that they need to get better at that efficiency if they are to expect to sell cards that the average consumer can use.

I think for the comsumers, especially those of us that are never satisfied with our speed, noise and heat matter the most. A fan like a jet engine is a huge turnoff for anybody who has to stay in the same room all the time, particularily if you sleep in that room.

For me, I don't have to pay my own electricity so I don't even know how much these things will run you when folding or anything. It's great because I can buy whatever I want and fold 24/7 and not have to worry about power!biggrin.gif
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post #32 of 39
Quote:
Originally Posted by pencil364 View Post
I think for the comsumers, especially those of us that are never satisfied with our speed, noise and heat matter the most. A fan like a jet engine is a huge turnoff for anybody who has to stay in the same room all the time, particularily if you sleep in that room.

For me, I don't have to pay my own electricity so I don't even know how much these things will run you when folding or anything. It's great because I can buy whatever I want and fold 24/7 and not have to worry about power!
someones a little lucky then!!! as for the cards cant wait, but will wait for data before making a decision. still, very excited for this release
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post #33 of 39
Thread Starter 
Quote:
Originally Posted by CH4PZ View Post
someones a little lucky then!!! as for the cards cant wait, but will wait for data before making a decision. still, very excited for this release
Well considering the success of Fermi this entire year, I'd feel safe being the first person to get one of these and hopefully I will be! I'm going to save up and buy the top of the line guy when it comes out as long as it's not ridiculously expensive (>600$).
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post #34 of 39
Covertash is right. YOU may not care about being "green" but you can bet your ass NVidia does. Especiallly when the writing is on the wall for regulatory governance in this area.

Trust me... My day job is architecting massive scale data centers in the telco and fin serv industries. EVERYONE is focused on perf/watt because they expect that fines will becoming soon for inefficiency. In the EU, some of this is already happening.

Preso's like the one the OP found are often for analysts/shareholders. Perf/watt improvements would be FAR more impactful than pure perf. ESP since at these perf levels NVidias main play here is in supercomputing applications.

As has been pointed out, short of 3-6 monitor setups, current CPUs aren't able to really max out the power levels you have today and scale up (higher frequency) hits a wall with a shallow pipeline architecture like Core i. This is why intel had originally gone with the longer pipeline of the p4 (higher clocks), but the market dictated that with a hybrid RISC/CISC microcode and the current desktop workloads, an efficient, shallow pipeline, proc (like the P3 had and AMD stuck with) scaling out (multi CPU) gives you more bang for the buck with the vast majority of workloads. This is why Core, Core 2 and Core I came to be (evolving from the P3 really)

As for symmetric multiprocessing vs asymmetric multiprocessing (someone brought up the idea of putting workloads on a CPU by CPU schedule even if they aren't threaded) you can do plenty of reading on computer science to learn what the relative merits of each approach are and why we landed where we are now.

Gaming is a very specific and very tricky workload. You need to consider how the 3d pipeline works and what job is done by what subsystem. Right now, the graphics subsystem, when super high end cards scaled out are used, is likely to be waiting around for more data unless the res is very high.

I'm not happy with my SLI 580s in 3D surround at 5040x1050 and would love to see more raw perf (and could def benefit from it big time), but now we are talking really extreme niche. At normal resolutions, on a single standard sized display, gtx580 SLI isn't going to be leaving anyone saying "OH MAN! I NEED MORE GPU POWER!" until Microsoft ups the ante on DirectX.

Any new play from NVidia prior to Windows 8 is certainly about perf/watt, supercomputing applications and (very much a distant third) 3d/surround gaming.

For the other 80+%, with direct x 11 and Core i7/iX, and normal resolutions (1920x1200) there just isn't a shortage of GPU horsepower with a GTX580.
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post #35 of 39
I'm looking forward to Kepler, but since it's on 28 nm I don't expect it to hit shelves till 2012. And I think that graph is a little too optimistic.
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post #36 of 39
We'll Ive got 70 days left on gtx 470 on my EVGA step-up.So i hope it comes out in the spring.
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post #37 of 39
Thread Starter 
Doesn't look too promising, check the update from yesterday
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post #38 of 39
Quote:
Originally Posted by Bigo1087 View Post
We'll Ive got 70 days left on gtx 470 on my EVGA step-up.So i hope it comes out in the spring.
It wont.

Quote:
I'm looking forward to Kepler, but since it's on 28 nm I don't expect it to hit shelves till 2012. And I think that graph is a little too optimistic.
i agree to that,and as mentioned above,its better no question about it,but a little too optimistic imo
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post #39 of 39
Just saw this article this afternoon: http://www.hpcwire.com/hpcwire/2011-...tesla_gpu.html

Quote:
...the fact that NVIDIA just released its Tesla kicker probably indicates at least a six-month wait for the next product. In any case, since Kepler will land on TSMC's 28nm process node, NVIDIA will have to wait until that fab technology is mature enough to handle complex, multi-billion transistor designs.

All of that means Kepler will most likely launch sometime in the first half of 2012.
Of course none of this is really new. I just thought I'd pass it along. As for me, I'm really starting to consider a second 470 instead of waiting for Kepler.
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