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Author Topic: 3x7970 Mining Results.  (Read 57659 times)
Roadhog2k5
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January 10, 2012, 05:57:58 AM
 #1

I have 3 7970's that will be here tomorrow(if the fedex plane/truck doesn't crash and burn or a herd of angry hamsters hijack it and eat my gpus...).

I will post what hash rates I get with them along with power draw figures.

Any special requests post them here.

Just reserving this for now. :p

EDIT:

Wattage is measured at the wall plug as total system draw. Subtract the 224 Watts of the system idle from the total then divide by 3 to get individual 7970 power draw. Mining results are of 7970 power draw only. My power supply has about 92% efficiency but I did not factor that into the results.



Three 7970's:

System Idle: 224 W
Mining: 925/1375mhz,  1.17v, 696W - 1650mh/s
Mining: 925/340mhz,   1.17v, 595W - 1650mh/s
Mining: 925/340mhz,   880mv, 426W - 1650mh/s
Mining: 925/340mhz,   865mv, 411W - 1650mh/s
Mining: 925/150mhz,   865mv, 400W - 1650mh/s

Water Cooling:
Mining: 1200/150mhz,  1.17v, 752W - 2100mh/s
Mining: 925/1375mhz,  1.17v, 572W - 1650mh/s
Mining: 925/340mhz,   1.17v, 515W - 1650mh/s
Mining: 925/340mhz,   880mv, 346W - 1650mh/s
Mining: 925/340mhz,   865mv, 336W - 1650mh/s
Mining: 925/150mhz,   865mv, 329W - 1650mh/s



Single 7970:

System Idle: 224 W
Mining: 925/1375mhz,  1.17v, 232W - 550mh/s
Mining: 925/340mhz,   1.17v, 198W - 550mh/s
Mining: 925/340mhz,   880mv, 142W - 550mh/s
Mining: 925/340mhz,   865mv, 137W - 550mh/s
Mining: 925/150mhz,   865mv, 133W - 550mh/s

Water Cooling:
Mining: 1200/150mhz,   1.17v, 251W - 700mh/s
Mining: 925/1375mhz,   1.17v, 190W - 550mh/s
Mining: 925/340mhz,    1.17v, 171W - 550mh/s
Mining: 925/340mhz,    880mv, 115W - 550mh/s
Mining: 925/340mhz,    865mv, 112W - 550mh/s
Mining: 925/150mhz,    865mv, 109W - 550mh/s



EDIT2: Just remember that this is the wattage difference from idle wattage to load wattage(btc mining). Your results may vary.
EDIT3: Updated with watercooling results.
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January 10, 2012, 06:42:21 AM
 #2

Power draw at the plug please!

Looking to review Bitcoin / Crypto mining Hardware.
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January 10, 2012, 06:54:03 AM
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this will be good as DeathandTaxes has triple 5970 rigs to compare with.  All my 5970 rigs are 4 per, except one (3x5970 + 1x6950).

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January 10, 2012, 10:22:08 AM
 #4

@Roadhog2k5
looking forward Smiley


@jjiimm_64
Summary, haw fast is Yours quad 5970 ?
EDIT: NVM - got it from BFL thread - nice, i got 2.5GH from just 6 GPU Cheesy
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January 10, 2012, 12:11:25 PM
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this will be good as DeathandTaxes has triple 5970 rigs to compare with.  All my 5970 rigs are 4 per, except one (3x5970 + 1x6950).

We should not really compare these to 5970's though, being that 5970's are dual core and for whatever funky reason AMD did not keep the same numbering convention for 6970 and 7970, which are both single core. I would be very curious to see these compared to 3x5870 and 3x6970 though.

And also, make sure you kill-a-watt at wall on the machine before you run the cards as well. Would be nice to simulate some very light load on it with and without the cards before mining as well.


cheers

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January 10, 2012, 01:51:11 PM
 #6

Not sure if you want to do all this but.

Kill-a-watt the following:
idle w/ only one card installed
idle w/ all three cards installed
full load w/ 3 card mining @ stock
full load w/ 3 cards mining @ highest stable overclock

As far as 5970 comparison yeah AMD changed numbering scheme.  The 5000 series direct equivalent is the 5870.

5870, 6970, 7970 = highest single GPU card
5970, 6990, 7990 = dual GPU card

Still the 5970 is the king of the hill in terms of price, density, and efficiency right now so it will be an interesting comparison.
Roadhog2k5
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January 10, 2012, 07:55:45 PM
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Not sure if you want to do all this but.

Kill-a-watt the following:
idle w/ only one card installed
idle w/ all three cards installed
full load w/ 3 card mining @ stock
full load w/ 3 cards mining @ highest stable overclock

As far as 5970 comparison yeah AMD changed numbering scheme.  The 5000 series direct equivalent is the 5870.

5870, 6970, 7970 = highest single GPU card
5970, 6990, 7990 = dual GPU card

Still the 5970 is the king of the hill in terms of price, density, and efficiency right now so it will be an interesting comparison.


That's simple enough.
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January 10, 2012, 08:45:54 PM
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Not sure if you want to do all this but.

Kill-a-watt the following:
idle w/ only one card installed
idle w/ all three cards installed
full load w/ 3 card mining @ stock
full load w/ 3 cards mining @ highest stable overclock

As far as 5970 comparison yeah AMD changed numbering scheme.  The 5000 series direct equivalent is the 5870.

5870, 6970, 7970 = highest single GPU card
5970, 6990, 7990 = dual GPU card

Still the 5970 is the king of the hill in terms of price, density, and efficiency right now so it will be an interesting comparison.


That's simple enough.

He forgot full load w/ 1 card mining at stock and another at highest overclock. This will better power numbers to work with (including the overclocked watts)

Remember remember the 5th of November
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Reverse engineer from time to time


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January 10, 2012, 10:37:48 PM
 #9

OP, just make sure your cards don't get delivered like this http://www.youtube.com/watch?v=PKUDTPbDhnA

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lituar
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January 10, 2012, 10:48:58 PM
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OP, just make sure your cards don't get delivered like this http://www.youtube.com/watch?v=PKUDTPbDhnA

Or they got send like this one: http://www.youtube.com/watch?v=6wpkbYL7wFA&feature=related

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sadpandatech
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January 10, 2012, 10:58:37 PM
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So that's what they mean by 'ground' shipping.  Shocked

If you're not excited by the idea of being an early adopter 'now', then you should come back in three or four years and either tell us "Told you it'd never work!" or join what should, by then, be a much more stable and easier-to-use system. - GA
It is being worked on by smart people. -DamienBlack
Roadhog2k5
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January 10, 2012, 11:00:17 PM
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Soo.. got them in.. What miner supports 7970's?
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January 10, 2012, 11:25:29 PM
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DiabloMiner

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ummas
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January 11, 2012, 01:17:33 PM
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new phoenix 1.7.3 should support it too.
Just try them all Smiley
Roadhog2k5
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January 11, 2012, 04:49:32 PM
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Ya, I'll post some results tonight.
Roadhog2k5
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January 11, 2012, 05:48:30 PM
 #16

Got them undervolted to 890mv @ 925mhz...
bulanula
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January 11, 2012, 05:57:08 PM
 #17

Got them undervolted to 890mv @ 925mhz...

Try and get them at 0.9V and at 1125 MHz !

What BIOS did you have to use ?
Roadhog2k5
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January 11, 2012, 06:03:13 PM
 #18

Got them undervolted to 890mv @ 925mhz...

Try and get them at 0.9V and at 1125 MHz !

What BIOS did you have to use ?

Nah, Just trying to find the lowest core voltage right now @ 925 so they aren't so damn loud.

BIOS is just what it shipped with.

EDIT: 860mv now...
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January 11, 2012, 07:26:59 PM
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Could you make a table with all yours miners/configs? Or would be too much work?

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Roadhog2k5
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January 11, 2012, 07:38:51 PM
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Could you make a table with all yours miners/configs? Or would be too much work?

Yeah, when I get a chance.

Just found the voltage limit @ 840mv @ 925mhz... wow.
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