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How to crossfire two different graphic card series

Last response: in Graphics & Displays
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May 12, 2010 12:54:38 PM

Hello,
I have two asus EAH3870 Company of Heroes with both crossfire and have recently bought the Asus EAH5750 Formula. Can i CF the new one with the old one? I thought of taking one of the 3870 and replace with a new one and CF it with new one. Could it be done? My system info are: i7 920 2.67Ghz, 8Ghz DDR3 RAM,intel DX58SO motherboard,Enermax Galaxy 1000watt power supply, Creative X-fi Soundblaster sound card, 2.5TB WD,2x ASUS EAH 3870 CF.
a b Ĉ ASUS
May 12, 2010 1:27:09 PM

You cannot crossfire 2 (or more) cards from different series. They have to be in the same series, for example you can crossfire a 5770 with a 5750.

However you cannot crossfire a 5850 with a 5770, and you cannot crossfire a 3870 with a 5750
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May 12, 2010 1:55:15 PM

Thx a lot buddy. so i need to buy another graphic card with same series for crossfire right.
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a b Ĉ ASUS
May 12, 2010 2:20:30 PM

No problem, Yes you need to buy another 57xx series card if you want to crossfire.

I would recommend you buy another 5750 and not a 5770 because the 5770 will be down clocked to the 5750's clocks, so you'd just end up spending more money for the same result.
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May 12, 2010 2:26:11 PM

can you crossfire cards from the same series but different manufacturers? Lets say a Gigabyte 5770 with a Sapphire 5770?
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a b Ĉ ASUS
May 12, 2010 2:30:33 PM

faune said:
can you crossfire cards from the same series but different manufacturers? Lets say a Gigabyte 5770 with a Sapphire 5770?


Yep, It doesn't matter what brands the cards are, as long as their the same series.
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May 12, 2010 2:34:58 PM

Thanks, good to know. :) 
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May 13, 2010 4:34:26 AM

Which is better LCD or LED monitor? Which are the best brand?
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a b Ĉ ASUS
May 13, 2010 3:19:36 PM

silvermushroom_82 said:
Which is better LCD or LED monitor? Which are the best brand?


Maybe start a new thread for that one
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Anonymous
November 4, 2010 4:28:35 PM

3870 CF 5750..
i try it.. it works but the 3870 overburn (fan became crazy) to equal the 5750
system said 5750 activated and 3870 off
but resolution screen is base on 3870 properties
its looks a little faster than 5750 only but i dont test anymore

PS:i'm not an english speaker ^^'
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