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Old 03-04-2009, 08:36 AM   #1
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Default 4850 and 4870 in CF?

Just got my new rig finished and im lookin to cf. I currently have a 4850 and was wondering if i culd set that up with a 4870??? 4850's like 125 and 4870's 150 soo 25 dollars for a performance increase would be nice... Post reviews or succesful attempts or somethin please. Thanks
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Old 03-04-2009, 08:55 AM   #2
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Default Re: 4850 and 4870 in CF?

I don't think you can cf two different cards.
They have to be the same AFAIK; there may be some cases where it works like from different manufacturers.
Someone confirm?
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Old 03-04-2009, 08:58 AM   #3
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Default Re: 4850 and 4870 in CF?

Idk...i thought cuz they were both RV770's it would work, ur prolly right tho
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Old 03-04-2009, 08:59 AM   #4
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Default Re: 4850 and 4870 in CF?

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Old 03-04-2009, 09:02 AM   #5
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Default Re: 4850 and 4870 in CF?

Ugh... i shulda started out with a 4870 in the first place.

Well while im at it... any one got a good 4850 cf vs 4870 cf review ta see wat im losin out on -.-
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Old 03-04-2009, 10:41 AM   #6
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Default Re: 4850 and 4870 in CF?

You'll have several choppy graphics issues. SHould'a went wit the better one.
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Old 03-04-2009, 11:23 AM   #7
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Default Re: 4850 and 4870 in CF?

Quote:
I don't think you can cf two different cards.
They have to be the same AFAIK; there may be some cases where it works like from different manufacturers.
Someone confirm?
Quote:
Idk...i thought cuz they were both RV770's it would work, ur prolly right tho
Yes, it is possible, it won't be any faster than HD 4850 CF, but it is possible.
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Old 03-04-2009, 11:25 AM   #8
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Default Re: 4850 and 4870 in CF?

what games are you playing currently? I have a 4870 and I can tell you your not going to need to crossfire it with the 4850 you are better off just selling the 4850 and getting the 4870 and just running that
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Old 03-04-2009, 11:40 AM   #9
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Default Re: 4850 and 4870 in CF?

I play everything... Crysis cod4/5 mass effect, far cry 2, stalker clear sky... Ya i didnt want to have to sell and rebuy like usual... Thought maybe 4850's in cf would make up for it. Games run pretty smooth right now, the 4850 is a very powerfull gpu its not to far of the 4870... i just push for more and more performance.
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Old 03-04-2009, 12:01 PM   #10
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Default Re: 4850 and 4870 in CF?

"4850 Crossfire is about 40% faster than a single 4870, however bare in mind a few games aren't very optimized for multiple GPU's and so the 4870 may win in these rare incidents."

http://www.legitreviews.com/article/734/1/

The 4850 crossfire beats a single 4870 is most cases and performs similar to the 4870 crossfire in most games.
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