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Old May 4, 2009, 03:45 AM
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Default Most power efficient folding nvidia card

I'm looking to build a folding computer with a motherboard with 4 or 3 video cards. But power consumption is a concern for me. I'm looking to get performance too but I need recommendations before I buy. I'm thinking maybe 4 9800gt. Anyways thanks for the help.
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Old May 4, 2009, 05:03 AM
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gts 250 is a pretty good choice also. Low power consumption to ppd output.
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Old May 4, 2009, 06:30 AM
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I'm gonna second that one so far for the GTS250. It so far is looking like a real winner for the PPD.

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Old May 4, 2009, 06:48 AM
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Originally Posted by Soultribunal View Post
I'm gonna second that one so far for the GTS250. It so far is looking like a real winner for the PPD.

Regards,
ST
+1 on the GTS250. I mean, hell it should be power/ppd ratio winner. Its only the 4th Generation of the chip...
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Old May 4, 2009, 07:49 AM
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Well, with 216 stream processors and 55nm tech, the GTX260 looks like a good choice also... especially since you can find some for 220$ with MIR but before shipping and taxes.

I guess you could run 4 of them on a 750W PSU (like the Corsair TX750 and its 60A 12V rail) if it's only for folding, and if the rest of your system is "low power".
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Old May 4, 2009, 08:15 AM
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The best PPD/W card is still the 384MB 8800GS/9600GSO (the G92 version with 96 stream procs).
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Old May 4, 2009, 09:46 AM
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I agree with Dead things that the 8800GS and 9600GSO (G92) are the top dogs of the PPD/Watt charts.
I think about the best ppd bang for the watt atm that can still be bought retail at a decent price is actually on sale right now over at NCIX for $74.99 after rebate.

NCIX.com - Buy EVGA E-GEFORCE 9600GSO 650MHZ 512MB 1.8GHZ DDR3 PCI-E Dual DVI-I HDTV Out Video Card - 512-P3-N963-TR In Canada.

Heres a nice PPD/Watt chart I found awhile back, a bit dated but still very valid.

Folding@Home: Großer Benchmark-Test CPUs gegen Grafikkarten inkl. Stromverbrauch - 2008/11/Folding_at_Home_Benchmark_PPW.PNG, original

Also the 9600GSO is in the top 3 for overall price per ppd so you'd be saving money on the initial purchase cost, running cost and also get decent points at ~4000ppd.
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Old May 4, 2009, 09:54 AM
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Quote:
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The best PPD/W card is still the 384MB 8800GS/9600GSO (the G92 version with 96 stream procs).

I'll have to disagree with you guys on that one. I have the 8800gt and for awhile it was considered the best ppd/W but as of recently with all these new projects it just takes longer and longer to get a Wu done. So i think the minimum bare minimum if your looking for an Nvidia card would be one with atleast 112 Shader processors. But if i had a choose and for all the new wu's to come. I would definetely go for either the 250 or 260 then the older generationg. And if you are thinking of the older generation then the 8800GT should be at the top but i feel its lacking with all these new wu's.


Its one thing to be energy efficient but if the wu's take too long of a time to complete then your just waisting more elecrtricity. My 2 cents.


All those tests aboot which card is best is too outdated and doesnt take into account all the new wu's.
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Old May 4, 2009, 10:22 AM
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Quote:
Originally Posted by Dead Things View Post
The best PPD/W card is still the 384MB 8800GS/9600GSO (the G92 version with 96 stream procs).
I've recently bought 2 XFX 9600GSO 768mb cards (96sp) and can't wait to put them in my HTPC / 24/7 folder...

Quote:
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I agree with Dead things that the 8800GS and 9600GSO (G92) are the top dogs of the PPD/Watt charts.
I think about the best ppd bang for the watt atm that can still be bought retail at a decent price is actually on sale right now over at NCIX for $74.99 after rebate.

NCIX.com - Buy EVGA E-GEFORCE 9600GSO 650MHZ 512MB 1.8GHZ DDR3 PCI-E Dual DVI-I HDTV Out Video Card - 512-P3-N963-TR In Canada.
That link is for the 48shader version, NOT the 96sp...
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Old May 4, 2009, 11:49 AM
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I'll have to disagree with you guys on that one.
Disagree all you want my friend - you're certainly entitled to your opinion.

I will say this though - PPD/W is a mathematical calculation, not a judgement call.
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