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Author Topic: HELP, Graphics card  (Read 110 times)

Online jonnybrain

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HELP, Graphics card
« on: December 09, 2013, 07:30:18 PM »
I am currently looking for a new graphics card for my computer to mine with.
I am currently using my HD Radeon 6970, and getting around 300kh/s

I have $400 to spend, And am currently looking at the Radeon R9 680x
Can anyone tell me how this one would go? And if i should get a different one or not?
Also would i be able to crossfire?
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Offline AFN

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Re: HELP, Graphics card
« Reply #1 on: December 09, 2013, 08:44:26 PM »
Hello. Crossfire only works within the same series of cards. 6970 and 7970 (R9 280x) not compatible for crossfire.

R9 280X getting around 700khash. See this topic - http://infinitecointalk.org/index.php/topic,252.msg3469.html#new.
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Sorry for my poor English

Offline c1010010

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Re: HELP, Graphics card
« Reply #2 on: December 11, 2013, 05:08:34 PM »
R9 280x - agreed.
Crossfire does not help cgminer mining at all.  In fact, it actually hinders performance slightly.

But, as said above, only works for identical cards.
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Online jonnybrain

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Re: HELP, Graphics card
« Reply #3 on: December 11, 2013, 05:39:17 PM »
Quote from: AFN on December 09, 2013, 08:44:26 PM
Hello. Crossfire only works within the same series of cards. 6970 and 7970 (R9 280x) not compatible for crossfire.

R9 280X getting around 700khash. See this topic - http://infinitecointalk.org/index.php/topic,252.msg3469.html#new.

Quote from: c1010010 on December 11, 2013, 05:08:34 PM
R9 280x - agreed.
Crossfire does not help cgminer mining at all.  In fact, it actually hinders performance slightly.

But, as said above, only works for identical cards.

No worries, If I still put both cards in, Could i mine with both but seperately?
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Offline c1010010

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Re: HELP, Graphics card
« Reply #4 on: December 11, 2013, 07:38:50 PM »
Well, you can use both to mine... not problem... just don't crossfire-connect them.

You CAN have them mining separate coins on different pools - I think you just need to run two instances of cgminer.  I've not done it myself tho.

Quote from: jonnybrain on December 11, 2013, 05:39:17 PM
Quote from: AFN on December 09, 2013, 08:44:26 PM
Hello. Crossfire only works within the same series of cards. 6970 and 7970 (R9 280x) not compatible for crossfire.

R9 280X getting around 700khash. See this topic - http://infinitecointalk.org/index.php/topic,252.msg3469.html#new.

Quote from: c1010010 on December 11, 2013, 05:08:34 PM
R9 280x - agreed.
Crossfire does not help cgminer mining at all.  In fact, it actually hinders performance slightly.

But, as said above, only works for identical cards.

No worries, If I still put both cards in, Could i mine with both but seperately?
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∞ YOU TOO CAN BE A MILLIONAIRE – INFINITECOIN Infinite possibilities – http://infinitecointalk.org ∞
Coin Ticker in Apple App Store (https://appsto.re/i6Fw6CV) - Soon to support IFC!

Online jonnybrain

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Re: HELP, Graphics card
« Reply #5 on: December 11, 2013, 08:44:11 PM »
Quote from: c1010010 on December 11, 2013, 07:38:50 PM
Well, you can use both to mine... not problem... just don't crossfire-connect them.

You CAN have them mining separate coins on different pools - I think you just need to run two instances of cgminer.  I've not done it myself tho.


Thankyou, DW i wont corssfire them, Seeing as i cant.
And yes will run two different miners for each, Or use one to mine and the other just to game with while mining
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