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Dirk Broer
 
BAM!ID: 117974
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2012-04-05 14:41:59

But the GTX 680 is the best nVidia has come up with yet
Mark Reiss
 
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2012-04-05 14:48:06

I just received my golden badge in World Community Grid for the Say No to Schistosoma poject (90 days) next badge at 180 days
Mark Reiss
 
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2012-04-05 14:49:48

I'm on a tight budget - what gpu's do you reccommend - for ATI & Nvidia?
Dirk Broer
 
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2012-04-05 15:08:33

It depends on whether you want to run 24/7 or just a few hours a day
Dirk Broer
 
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2012-04-05 15:09:23

Ironically, some of the best performance per watt figures are scored by 250 Watt or more cards
Dirk Broer
 
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2012-04-05 15:10:09

For 24/7 I'd recommend the HD 7750
Dirk Broer
 
BAM!ID: 117974
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2012-04-05 15:11:17

nVidia-wise only the GTX 680 runs at an affordable performance/watt ratio
Dirk Broer
 
BAM!ID: 117974
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Posts: 343
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2012-04-05 15:12:15

For small spurts you'd best use the HD 6990 or the HD 7970
7.62
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2012-04-05 15:12:23

@Mark Reiss:
Define tight. Would $120 be a small investment? An HD 6850 sits there as does a GTX 550 TI.
7.62
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2012-04-05 15:15:50

Emphatic yes to the 7750! PCIe powered (
7.62
BAM!ID: 101974
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Posts: 156
Credits: 1,994,355,728
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2012-04-05 15:16:50

less than 75W). Nearly a teraflop SP when overclocked. Issue is cost, but it is efficient.
7.62
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2012-04-05 15:21:37

Economy of scale does err in the favor of the 250W + cards. Think of the heat/power on 24/7 though. Spurts is right.
7.62
BAM!ID: 101974
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2012-04-05 15:24:08

The question is, do you want to buy for GFlops/$ (6850) or GFlops/W (7750)?
Dirk Broer
 
BAM!ID: 117974
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Posts: 343
Credits: 6,564,826,024
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2012-04-05 15:24:10

HD 7750 costs around $100 (purchase) and runs at less than 75W (as low as 55W)
Dirk Broer
 
BAM!ID: 117974
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2012-04-05 15:25:51

Best Single Precision performance/Watt is for Radeon ARES (double HD 5870 OC)
Dirk Broer
 
BAM!ID: 117974
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2012-04-05 15:26:51

best double precision/Watt is for HD 7970
Dirk Broer
 
BAM!ID: 117974
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2012-04-05 15:28:20

Extreme performance, but at extreme prices as well. HD 7750 and HD 7770 are most economic
Dirk Broer
 
BAM!ID: 117974
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2012-04-05 15:43:43

Even more economic is the Llano platform, using an A8 APU combined with a DDR3 HD 6670 card=1248 GFLOP@46W
Alexpc1
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2012-04-05 16:00:27

@Dirk Broer: I don't think you answered 7.62's query because I don't think PrimeGrid is "science". Am I right 7.62 ?
Alexpc1
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2012-04-05 16:01:27

And I still don't know why a Core2Quad gets more credits than a X5680.
Guest

2012-04-05 16:56:54

@Alexpc1: data xfer. 4 cores vs 6 with Ht(12 vcores)
Sid2
 
Forum moderator - BOINCstats SOFA member
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2012-04-05 18:31:49

@All:

LHC running at 8 trillion electron volts.

Dirk Broer
 
BAM!ID: 117974
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Posts: 343
Credits: 6,564,826,024
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2012-04-05 18:46:41

@ALexpc1: I have named several projects that run on a AMD/Ati GPUs, so if 7.62 thinks they are all 'not science' ....
Dirk Broer
 
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2012-04-05 18:48:26

Mathematicians might not agree PrimeGrid being classified as 'not science' either
xrror
 
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2012-04-06 01:59:53

@Sid2 I hope they find the Higgs Boson... For those who don't know - we don't currently know why things have "weight" or ...
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