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Bitcoin Forum > Bitcoin > Mining > What is a good setting for SAPPHIRE Radeon HD 7970 GPU?
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bitcoindude80 (OP)
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May 17, 2013, 03:57:41 AM
 #1
I'm currently getting only 650Mh/s with this card (http://www.newegg.com/Product/Product.aspx?Item=N82E16814202008) with cgminer. 

Can this card go up to 700-750Mh/s?
crashoveride54902
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May 17, 2013, 10:03:49 AM
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I have the sapphire 7970 cage fan card...I get 650mh/s @ 1100mhz @ 62c i've ran it at 1200mhz before but only for alittle bit cause it started artifacting...think it got 700mh/s before i turned it back down
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os2sam
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May 17, 2013, 10:40:02 AM
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According to this your in the zone.

https://en.bitcoin.it/wiki/Mining_hardware_comparison
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May 17, 2013, 10:40:51 PM
 #4
What temps are you getting ?

If you can keep the vrms below 80c, raise the gpu 5-10 mhz untill it crashes..

The only non heatbag Sapphire gpu Ive seen was a reference hd6870. hmm I wonder why ?!

The Sapphire 5850, 7870 and both 7870xt's have stinky hot VRMS thx to the stinky cheap heatsinks.. :/
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May 18, 2013, 10:46:53 AM
 #5
i have this same card

getting the same numbers

1143clock
300memory
stock voltage

you can push it up to 1153 and get it up to 660, but it will crash after 20 hours or so

you can go higher if you can provide it with cooler air

i live in the tropics
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