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Bitcoin Forum > Other > Beginners & Help (Moderators: MiningBuddy, Mitchell) > Is it possible to squeeze anything out of a single HD6850?
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Author Topic: Is it possible to squeeze anything out of a single HD6850?  (Read 796 times)
N.O.N
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July 04, 2011, 05:15:11 PM
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First and foremost: I'm not getting a mining rig, I'm getting a GAMING RIG. Therefore I do not treat it as an investment and I do not expect it to ever "pay for itself". I'm simply curious if it would still be viable to put it to work at this point in time and how much return, if any, I could reasonably expect.
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deepceleron
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July 04, 2011, 05:19:07 PM
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You can squeeze about $2 worth of bitcoins a day out of it at the current mining difficulty and exchange rate.
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July 04, 2011, 05:25:00 PM
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unless your electric rate is quite high, you should be able to make some bitcoin with it.

i personally use a 6870 running the latest poclbm and get ~270Mhash/s which nets me 0.2 BTC/day currently.

depending on your clocks (mine runs stock at 915mhz core, memory clock is irreverent for mining), you should get somewhere between 200-250 Mhash/s, which would be 0.15 to 0.18 BTC/day.

unless your electric rate is really high (more than $0.20/kW-hr), that should be profitable for awhile yet, since you don't care about paying off the rig.
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July 04, 2011, 05:34:13 PM
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I assume those figures mean running it 24/7?
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July 04, 2011, 05:37:07 PM
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Yes. 24/7.

I am squeezing 253mh/s out of mine with all the newest software and with a 944mhz clock. In my hot ass house, it stays at 69c.
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July 04, 2011, 05:42:40 PM
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mine is running at 280 mhash 940core. running at 80c. I am sure I can push more out of this card  Smiley

edit sorry the card is a 6870
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July 04, 2011, 05:47:36 PM
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Quote from: N.O.N on July 04, 2011, 05:34:13 PM
I assume those figures mean running it 24/7?

it assumes it's running 24, as i didn't include a per week figure.

you'll get 1/2 to 1/3 rate while playing games.  at least that's what i get while playing WoW with mining set at -f 240, which results in no performance loss in game.
bmgjet
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July 04, 2011, 10:49:53 PM
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Its starting to get to the point where its not worth while.

My 6850 gets me 277-280mhs  0.20 - 0.19 btc a day
960mhz core stock voltage
500mhz mem
63C
poclbm with options -v -w 256
Been optimized with the 5% faster mod and the 2% faster mod as well some small changes by me.
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300MHash/s 6850 http://www.techpowerup.com/gpuz/5u6wr/
Overclocked for 6 years and still strong http://valid.canardpc.com/show_oc.php?id=1931458 & http://valid.canardpc.com/show_oc.php?id=285337
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