2 x asus 7770hd 2gb gfx cards running crossfire?

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David McGlynn

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Jun 4, 2014
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i got 2 x asus 7770hd 2gb gfx cards running crossfire, when i play ghosts or bf4 it plays for 2 mins then crashes, any help please? i have 8gb ram, 8 core 8350 4.1ghz, ssd. if i use just 1 card it plays fine. thxs David
 
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William Norberg

William Norberg

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Jun 10, 2013
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I dont see why you would ever pay out money for 2 hd 7770's just so you can crossfire them. One good card is always better than 2 "medium" cards. If i ware you i'd buy the r9 270x or the r7 265x. When you crossfire GPU's there will be errors.
 
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dkulprit

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Nov 29, 2012
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Each card can run up to 150w per card. So 300w total between the 2 cards. That leaves 300w for the rest of your components to use. So it could be a power problem.

When you say that when you run 1 card it works just fine. When you test with a single card, is it always the same card you run it with? If not, I'd run each card individually with a benchmark program to see if any fail on their own. If that is the case that is your problem.

To be honest I think it is power problem tho. The fx8350 can run up to 160w on idle, and over 350w under load (like in a game). If you add up just the processor and the 2 cards your at 650+w! I'd upgrade your psu.

Underpowering your equipment can cause damage. If they aren't toasted now, they will be.


 
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david m cglynn

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Jun 6, 2014
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gonna try buy new power pack, any suggestions on a psu, i got amd 8350, 2x 7770 hd gfx, ssd, 1tb hd, dvd writer, gigabyte ud3 fx990 mb thxs. If i cant afford new psu william norberg I will let you know, was looking at £75 if i sell it?
 
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