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Message boards : Number crunching : Gtx 560 the best?

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Samy_Bourghol
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Joined: 4 May 15
Posts: 8
ID: 400177
Credit: 122,000,131
RAC: 0
321 LLR Silver: Earned 100,000 credits (153,909)PPS LLR Amethyst: Earned 1,000,000 credits (1,013,953)SR5 LLR Amethyst: Earned 1,000,000 credits (1,815,590)SGS LLR Silver: Earned 100,000 credits (113,314)PPS Sieve Double Bronze: Earned 100,000,000 credits (116,130,950)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Gold: Earned 500,000 credits (564,044)TRP Sieve (suspended) Silver: Earned 100,000 credits (275,005)GFN Amethyst: Earned 1,000,000 credits (1,933,364)
Message 86301 - Posted: 18 Jun 2015 | 20:21:36 UTC

Hello,

We can see top GPU models for primedrid that gtx 560 is better than gtx 970, gtx 670 or gtx 660 and even better than the gtx 560ti...

https://www.primegrid.com/gpu_list.php


Is it normal that old gpu's perform better?

Profile mikey
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Joined: 17 Mar 09
Posts: 1117
ID: 37043
Credit: 476,731,649
RAC: 227,276
Discovered 1 mega prime321 LLR Ruby: Earned 2,000,000 credits (2,038,739)Cullen LLR Amethyst: Earned 1,000,000 credits (1,563,093)ESP LLR Ruby: Earned 2,000,000 credits (2,013,823)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (2,001,838)PPS LLR Turquoise: Earned 5,000,000 credits (5,149,318)PSP LLR Amethyst: Earned 1,000,000 credits (1,325,581)SoB LLR Amethyst: Earned 1,000,000 credits (1,043,824)SR5 LLR Ruby: Earned 2,000,000 credits (2,053,250)SGS LLR Turquoise: Earned 5,000,000 credits (5,095,282)TRP LLR Ruby: Earned 2,000,000 credits (2,014,247)Woodall LLR Amethyst: Earned 1,000,000 credits (1,088,488)321 Sieve Ruby: Earned 2,000,000 credits (3,435,886)Cullen/Woodall Sieve (suspended) Gold: Earned 500,000 credits (944,431)Generalized Cullen/Woodall Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,813,253)PPS Sieve Double Silver: Earned 200,000,000 credits (339,149,649)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Ruby: Earned 2,000,000 credits (2,446,797)AP 26/27 Sapphire: Earned 20,000,000 credits (33,140,471)GFN Sapphire: Earned 20,000,000 credits (30,963,720)PSA Sapphire: Earned 20,000,000 credits (20,457,430)
Message 86307 - Posted: 19 Jun 2015 | 10:00:18 UTC - in response to Message 86301.

Hello,

We can see top GPU models for primedrid that gtx 560 is better than gtx 970, gtx 670 or gtx 660 and even better than the gtx 560ti...

https://www.primegrid.com/gpu_list.php


Is it normal that old gpu's perform better?


Which list did you see that on? Every list I looked on in your link it was way down. And yes the newer Nvidia cards are dual precision crippled when compared to the older cards, but that doesn't make the new ones slower. The clock speeds of the new ones can more than make up for it, especially on projects that do not require dual precision.

Profile Gary Craig
Volunteer tester
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Joined: 30 Dec 09
Posts: 3213
ID: 52890
Credit: 1,005,618,748
RAC: 203
Discovered 1 mega prime321 LLR Ruby: Earned 2,000,000 credits (2,893,273)Cullen LLR Ruby: Earned 2,000,000 credits (2,440,687)ESP LLR Turquoise: Earned 5,000,000 credits (5,738,876)Generalized Cullen/Woodall LLR Turquoise: Earned 5,000,000 credits (6,292,626)PPS LLR Turquoise: Earned 5,000,000 credits (9,648,951)PSP LLR Turquoise: Earned 5,000,000 credits (5,653,927)SoB LLR Jade: Earned 10,000,000 credits (10,558,341)SR5 LLR Turquoise: Earned 5,000,000 credits (5,748,705)SGS LLR Ruby: Earned 2,000,000 credits (3,335,713)TRP LLR Jade: Earned 10,000,000 credits (12,602,818)Woodall LLR Ruby: Earned 2,000,000 credits (2,282,622)321 Sieve Gold: Earned 500,000 credits (740,566)Cullen/Woodall Sieve (suspended) Emerald: Earned 50,000,000 credits (59,788,598)Generalized Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (2,143,068)PPS Sieve Double Gold: Earned 500,000,000 credits (524,673,938)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Jade: Earned 10,000,000 credits (10,130,821)TRP Sieve (suspended) Jade: Earned 10,000,000 credits (10,074,710)AP 26/27 Sapphire: Earned 20,000,000 credits (43,842,888)GFN Double Silver: Earned 200,000,000 credits (224,648,943)PSA Emerald: Earned 50,000,000 credits (62,378,755)
Message 86310 - Posted: 19 Jun 2015 | 19:56:53 UTC
Last modified: 19 Jun 2015 | 19:57:34 UTC

The information in the "fastest GPUs" page is "transient"... it considers only recent data, is frequently changing, and can be perturbed by MANY factors. For example (just one): if you run two simultaneous jobs on a single GPU, their run-times may be twice as long, but the stats have no way to distinguish that.

General rules of thumb:
For Genefer, the Nvidia TITAN and the top-of-the-line ATI(AMD) cards rule the roost. Beyond that, probably the Nvidia 5xx series are fastest (especially the 580). Nvidia lobotomized double-precision performance with the 6xx series and later to protect their (very expensive) Tesla market.

For PPS Sieve, Nvidia cards are by far the fastest (DP float not required), at least for the mid-range cards on up. One must learn to read their branding: the first digit is the generation, with higher numbers being more recent. The second digit reflects (usually) the computational power relative to the generation. I have a 770 and it is roughly equivalent to a 680. AMD cards perform relatively poorly on PPS Sieve.

I've made some generalizations here, and given only a couple of examples, but hopefully it's helped to give some guidance. Main thing to remember is that no "one size fits all"; everyone's box will perform differently.

--Gary

Samy_Bourghol
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Joined: 4 May 15
Posts: 8
ID: 400177
Credit: 122,000,131
RAC: 0
321 LLR Silver: Earned 100,000 credits (153,909)PPS LLR Amethyst: Earned 1,000,000 credits (1,013,953)SR5 LLR Amethyst: Earned 1,000,000 credits (1,815,590)SGS LLR Silver: Earned 100,000 credits (113,314)PPS Sieve Double Bronze: Earned 100,000,000 credits (116,130,950)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Gold: Earned 500,000 credits (564,044)TRP Sieve (suspended) Silver: Earned 100,000 credits (275,005)GFN Amethyst: Earned 1,000,000 credits (1,933,364)
Message 86320 - Posted: 20 Jun 2015 | 8:23:25 UTC - in response to Message 86310.
Last modified: 20 Jun 2015 | 8:24:25 UTC

Thank you guys for your answers, things are more clear now!

I have 2 gtx 970 for now and want to add 2 more gtx card for my coming x99-ud4gigabyte.

I don't want to invest a lot in both card so I was wondering if gtx660ti , 670 or 590 make good choice. 180$ for both card maximum.

I'm running mostly pss sieve, and few times genefer.

Profile DaveProject donor
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Joined: 13 Feb 12
Posts: 2747
ID: 130544
Credit: 918,713,771
RAC: 214,641
Found 2 primes in the 2018 Tour de PrimesFound 1 prime in the 2020 Tour de Primes321 LLR Turquoise: Earned 5,000,000 credits (6,042,688)Cullen LLR Turquoise: Earned 5,000,000 credits (5,005,909)ESP LLR Turquoise: Earned 5,000,000 credits (5,303,526)Generalized Cullen/Woodall LLR Turquoise: Earned 5,000,000 credits (5,202,873)PPS LLR Turquoise: Earned 5,000,000 credits (5,900,040)PSP LLR Turquoise: Earned 5,000,000 credits (5,513,728)SoB LLR Turquoise: Earned 5,000,000 credits (8,851,996)SR5 LLR Turquoise: Earned 5,000,000 credits (5,199,189)SGS LLR Turquoise: Earned 5,000,000 credits (5,100,018)TRP LLR Turquoise: Earned 5,000,000 credits (5,405,027)Woodall LLR Turquoise: Earned 5,000,000 credits (5,124,820)321 Sieve Turquoise: Earned 5,000,000 credits (5,854,896)Cullen/Woodall Sieve (suspended) Silver: Earned 100,000 credits (268,250)Generalized Cullen/Woodall Sieve (suspended) Jade: Earned 10,000,000 credits (10,000,502)PPS Sieve Double Silver: Earned 200,000,000 credits (306,761,000)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Jade: Earned 10,000,000 credits (10,000,133)TRP Sieve (suspended) Jade: Earned 10,000,000 credits (10,000,970)AP 26/27 Double Bronze: Earned 100,000,000 credits (180,002,446)GFN Double Bronze: Earned 100,000,000 credits (133,176,435)PSA Double Silver: Earned 200,000,000 credits (200,000,001)
Message 86321 - Posted: 20 Jun 2015 | 9:59:38 UTC

4 cards in 1 machine? You're going to have to make sure your PSU is up to the task.

Samy_Bourghol
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Joined: 4 May 15
Posts: 8
ID: 400177
Credit: 122,000,131
RAC: 0
321 LLR Silver: Earned 100,000 credits (153,909)PPS LLR Amethyst: Earned 1,000,000 credits (1,013,953)SR5 LLR Amethyst: Earned 1,000,000 credits (1,815,590)SGS LLR Silver: Earned 100,000 credits (113,314)PPS Sieve Double Bronze: Earned 100,000,000 credits (116,130,950)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Gold: Earned 500,000 credits (564,044)TRP Sieve (suspended) Silver: Earned 100,000 credits (275,005)GFN Amethyst: Earned 1,000,000 credits (1,933,364)
Message 86347 - Posted: 21 Jun 2015 | 13:36:47 UTC - in response to Message 86321.

Hi, yes i do have a 1200w inwin psu. It should be fine.

So what cheap gtx could you advise me?

Profile DaveProject donor
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Joined: 13 Feb 12
Posts: 2747
ID: 130544
Credit: 918,713,771
RAC: 214,641
Found 2 primes in the 2018 Tour de PrimesFound 1 prime in the 2020 Tour de Primes321 LLR Turquoise: Earned 5,000,000 credits (6,042,688)Cullen LLR Turquoise: Earned 5,000,000 credits (5,005,909)ESP LLR Turquoise: Earned 5,000,000 credits (5,303,526)Generalized Cullen/Woodall LLR Turquoise: Earned 5,000,000 credits (5,202,873)PPS LLR Turquoise: Earned 5,000,000 credits (5,900,040)PSP LLR Turquoise: Earned 5,000,000 credits (5,513,728)SoB LLR Turquoise: Earned 5,000,000 credits (8,851,996)SR5 LLR Turquoise: Earned 5,000,000 credits (5,199,189)SGS LLR Turquoise: Earned 5,000,000 credits (5,100,018)TRP LLR Turquoise: Earned 5,000,000 credits (5,405,027)Woodall LLR Turquoise: Earned 5,000,000 credits (5,124,820)321 Sieve Turquoise: Earned 5,000,000 credits (5,854,896)Cullen/Woodall Sieve (suspended) Silver: Earned 100,000 credits (268,250)Generalized Cullen/Woodall Sieve (suspended) Jade: Earned 10,000,000 credits (10,000,502)PPS Sieve Double Silver: Earned 200,000,000 credits (306,761,000)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Jade: Earned 10,000,000 credits (10,000,133)TRP Sieve (suspended) Jade: Earned 10,000,000 credits (10,000,970)AP 26/27 Double Bronze: Earned 100,000,000 credits (180,002,446)GFN Double Bronze: Earned 100,000,000 credits (133,176,435)PSA Double Silver: Earned 200,000,000 credits (200,000,001)
Message 86348 - Posted: 21 Jun 2015 | 13:48:59 UTC

4 GTXs full-whack could use 1000W of that 1200W. I'd consider getting more headroom.

Message boards : Number crunching : Gtx 560 the best?

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