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5850 crossfire help

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October 8, 2011 5:05:01 AM

I have a XFX 5850 card and I want to buy another one to use Crossfire. The problem is I cant even find one for sale on Newegg or any other big companies. I found this chart:

http://sites.amd.com/PublishingImages/Public/Graphic_Il...

and it appears I cant use any of the 6xxx series ones. What am I supposed to do? Can I use a 6xxx series as the main card and my 5850 as the second one? Thanks for your help.

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October 8, 2011 6:25:56 AM
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I got a Powercolor 5850 for $160 almost a year ago, I was planning on upgrading with Crossfire, but I am in the same boat since 5800 series cards are very difficult to find. I don't know if it was just the fact they were always in short supply or because of their raw performance in Bitcoin, but you will have a difficult time finding one and even if you do I doubt it'd be worth it. I see them on Craigslist and Ebay sometimes for as much as I paid for one new.

And no you can't use a 6800 or 6900 series with a 5800 in Crossifre, even if there was a work-around there are already enough application issues with Crossfire/SLI.
October 8, 2011 11:26:26 PM

If I can get another 5850, can I use any brand or do I have to use the same bran Im using now?
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October 9, 2011 1:05:45 AM

Tristan944 said:
If I can get another 5850, can I use any brand or do I have to use the same bran Im using now?
Brands don't make a difference that I know of, the only downside of having a higher clocked 5850 or a 5870 is that the Crossfire pairs up the lowest denominator unless its like a dual GPU card like a 5970 then its pretty much three 5870s.

I haven't run a Crossfire set up before, so I may not be right, I was just sharing my woes about the lack of 5800s making my ability to ever Crossfire before upgrading very slim.
October 9, 2011 4:25:52 AM

We're in a difficult predicament bro.
October 10, 2011 4:17:49 PM

yes you can, and im 90% sure you can run any combination of 5830, 5850 and 5870 in crossfire
a b U Graphics card
October 10, 2011 5:13:40 PM

There are some on Ebay. But for most of those prices you'd almost be better off getting a 6950 now and grabbing a 2nd one shortly after. the 69xx's scale much better anway. Just a thought.
October 10, 2011 5:15:56 PM

C0rehound said:
There are some on Ebay. But for most of those prices you'd almost be better off getting a 6950 now and grabbing a 2nd one shortly after. the 69xx's scale much better anway. Just a thought.


Thanks for the info. What do you mean they "scale" better?
a b U Graphics card
October 10, 2011 5:20:44 PM

50% more frame rates at X resolution/AA/AF settings then compared to the 30% from the 5850 at the same settings. Those are not accurate numbers, just an example of what I mean by scale.
October 20, 2011 4:24:48 AM

Best answer selected by Tristan944.
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