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crossfire with 2 brands?

post #1 of 6
Thread Starter 
purchased a second radeon 6870 recently will be here soon, wanted to know if there are any know issues with having a crossfire set up where the two cards are made by different companies. also for the sake of drivers, 1 card is a gigabyte oc the other is an ASUS, is there anything special I need to do to get the appropriate drivers for both cards of can CCC detect and install both fine?
     
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AMD Phenom II X4 840@3.8Ghz Biostar A870U3 Power Cooler 6970 4x4Gb G.skill ribjaw 
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WDCaviar Black 500GB Crucial M4 64GB Sony Optiarc CD/DVD Burner 2x200mm fans 
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Antec kuhler H20 620  2x120mm fans push/pull Win7 Pro 64bit LG 24" 1080p + Dell 23" 1080p 
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GIGABYTE GK-K6800  COOLER MASTER GX 650W COOLER MASTER HAF 922 Tt esports Saphira 
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post #2 of 6
Hi!

Technically all 6870s can be crossfired, but it is strongly recommended to use the same model. You said one was overclocked, and if the asus one is too, make sure they are the same clock speed.

Im not sure in terms of drivers, but if you can, i would suggest ordering the same model you already had

sorry for any bad news i may have brought
post #3 of 6
Thread Starter 
they are the same speed, I didn't order it new I already had the gigabyte card and got the ASUS one used for $75.
     
CPUMotherboardGraphicsRAM
AMD Phenom II X4 840@3.8Ghz Biostar A870U3 Power Cooler 6970 4x4Gb G.skill ribjaw 
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CoolingCoolingOSMonitor
Antec kuhler H20 620  2x120mm fans push/pull Win7 Pro 64bit LG 24" 1080p + Dell 23" 1080p 
KeyboardPowerCaseMouse
GIGABYTE GK-K6800  COOLER MASTER GX 650W COOLER MASTER HAF 922 Tt esports Saphira 
Mouse PadAudio
Tt esports Phyrrsus compact Sennheiser HD 201 
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CPUMotherboardGraphicsRAM
AMD Phenom II X4 840@3.8Ghz Biostar A870U3 Power Cooler 6970 4x4Gb G.skill ribjaw 
Hard DriveHard DriveOptical DriveCooling
WDCaviar Black 500GB Crucial M4 64GB Sony Optiarc CD/DVD Burner 2x200mm fans 
CoolingCoolingOSMonitor
Antec kuhler H20 620  2x120mm fans push/pull Win7 Pro 64bit LG 24" 1080p + Dell 23" 1080p 
KeyboardPowerCaseMouse
GIGABYTE GK-K6800  COOLER MASTER GX 650W COOLER MASTER HAF 922 Tt esports Saphira 
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Tt esports Phyrrsus compact Sennheiser HD 201 
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post #4 of 6
oh i see. i know its not recommended, but if they are the same speed and you get the drivers for both, i guess it might work! give it a try!
post #5 of 6
You wont have any problem at all. Just install your second card and have fun. The only issue is that the max clock you ll get is of the slowest card. So try to oc them at the same core/mem speed.
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Pure Dark TJ07
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CoolingOSMonitorKeyboard
Swiftech MCP655V - EK Top Windows 10 Pro x64 Samsung S27A850D (2560x1440) Ducky Shine / MX Red 
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Corsair AX850 TJ07 Full Matte Black (Modded) Logitech G900 Chaos Spectrum Asus Xonar Essence STX 
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post #6 of 6
+1 to what ChaosAD said thumb.gif
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