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GeForce GTX 260M OC PPD too Low

post #1 of 20
Thread Starter 
I'm using my sig laptop to fold. Problem is, the performance I get when folding isn't quite what I expected. I over-clocked the GPU to 600MHz Core/1500MHz Shaders/1900MHz Memory. At these speeds, given that it has 112 CUDA cores, it should be the same speed or just a bit faster than a desktop 9800GT. When folding, I am getting 3500PPD and I think something's wrong because at stock 9800GT gets ~5000PPD. I am running nothing in the background.

I installed folding@home v7 and simply added the GPU in Configure. Is there something I can do to improve performance?
Edited by LOL_Wut_Axel - 4/10/11 at 5:15pm
    
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post #2 of 20
I have a G51vx laptop with T9600 cpu, G60vx mobo, and same video card as you... I also have the same 3500ppd.
post #3 of 20
Thread Starter 
Quote:
Originally Posted by ThatsABigOne View Post
I have a G51vx laptop with T9600 cpu, G60vx mobo, and same video card as you... I also have the same 3500ppd.
Well, that's very strange. Why is there such a huge performance disparity when it comes to folding between desktop and laptop GPUs of the same architecture?

Looks like this will be no good. 3500PPD is too low. I'll need to start saving for a desktop with a better GPU.
    
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post #4 of 20
Thread Starter 
In gaming I get the exact same performance I'd expect. There, it's just as fast as a 9800GT. So there's something wrong...
    
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post #5 of 20
I have the same video card and I get >3800ppd with setting at 600/1500/800. I left the memory clock at 800 to hopefully save some heat since its the shaders that count in folding. Your card might be even more stable than mine and you might be able to push up to 640/1600/800. Just try overclocking without changing the memory, but keep the core to shader ratio at 1:2.5 for stability
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post #6 of 20
There's more to it than just CUDA cores.

Is the bandwidth the same on a lappie? Is it still considered PCI-e 2.0?

Cause I know my Lenovo T500 is reading as PCI-e x16, not PCI-e 2.0.
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post #7 of 20
Thread Starter 
Quote:
Originally Posted by blackbalt89 View Post
There's more to it than just CUDA cores.

Is the bandwidth the same on a lappie? Is it still considered PCI-e 2.0?

Cause I know my Lenovo T500 is reading as PCI-e x16, not PCI-e 2.0.
I don't think bandwidth is gonna be an issue at all on this GPU, to be honest. If we were talking about something like a GTX 480M, then yes. This GPU shouldn't have an issue even at PCI-E X16. Regardless, yes, it is running at PCI-E 2.0 X16.


    
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post #8 of 20
Thread Starter 
Well, now I'm getting 4000PPD. Still, that's off from the 5000PPD you get with a 9800GT.

Any ideas?
    
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post #9 of 20
Quote:
Originally Posted by LOL_Wut_Axel View Post
Well, now I'm getting 4000PPD. Still, that's off from the 5000PPD you get with a 9800GT.

Any ideas?
What WUs are you doing?
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post #10 of 20
Quote:
Originally Posted by LOL_Wut_Axel View Post
Well, now I'm getting 4000PPD. Still, that's off from the 5000PPD you get with a 9800GT.

Any ideas?
What overclocks? Mine is topping at 621mhz core with 1v. I could get it to pump 1.05v, but that is getting close to the limit of my G51's cooling ability..
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