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What to anticipate going from GT210 to 6850 xfire



I have 2 6850 cards I want to install on my 1090T rig (Asus xfire formula IV). I plan to set this up for an extended desktop on 3 screens. 2 are DVI, the third is off to the side and is a 22" Sony TV using HDMI.

Since I'm completely naive regarding xfire and eyefinity, I was wondering if there is anything I need to know before I do this.

Right now I just plan to pop in the 2 cards, attach the bridge and fire it up. I assume that I should make all of the connections via whichever card is in the first PCI slot.

Any assistance is appreciated.
Oct 12, 2008
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Enabling Crossfire in CCC and you are ready to go.
Jun 1, 2006
762 (0.18/day)
be sure to remove all traces of the nvidia driver software using a tool like drivercleaner (google it)

be sure that your power supply can handle the load of the new cards

kill your overclock to ensure a stable environment for the hardware upgrade

plug things in.. then check that things are plugged in correctly... then recheck...then check again to be sure.

go to the AMD site for instructions before you attempt the upgrade.. print the web page if you anticipate difficulties

the catalyst control center hasn't looked like the above picture for years

welcome to the red team
Last edited:
Mar 2, 2009
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"What to anticipate going from GT210 to 6850 xfire"? A mindfuck I guess. LOL
Oct 29, 2010
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Software Windows 10 / Windows 10 Pro
Well if you wanna watch movies then nothing...


I might do some folding or maybe bitcoin mining. Still have a lot of reservations about the latter.

Mainly I'm doing it to become more familiar with the technology and I've been thinking about playing some games. I haven't even installed Portal yet, but who knows. It could happen.

Anyway, I measured the current draw with cpu at 3.8ghz/40C and it's only 100watts. I've got an Antec 650w PSU in there, so I should be fine on power. A 6850 under load only draws about 120w. So total should be less than 350w.


New Member
Mar 18, 2011
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System Name Computernamehere/Computernamehere2/Computernamehere3
Processor i5-2500/Athlon 6000+/C2D Q6700
Motherboard P67A-UD3R/M2N-SLI Deluxe/P5K-Deluxe
Cooling Stock/Hyper212+/Unknown Coolermaster
Memory Patriot PC3-10666 2x2/A-Data PC2-6400 4x1/OCZ PC2-8500 4x1
Video Card(s) MSI GTX580 Lightning/2x Gigabyte GTS450 OC 1GB/2x HIS HD4870 512MB
Storage Seagate 1TB/Samsung 500GB/Seagate 1TB
Display(s) Samsung BX2440
Case V4 Black/Mystique 631 Silver/Soprano VX
Audio Device(s) WTF is a sound card?
Power Supply Corsair HX650/Antec Earthwatts 650W Green/None
Software Windows 7 Home/Professional/Professional
Benchmark Scores TBA
Probably more than 10 times the frame rate when playing games.

Actually how much power does HD6850 use compared to HD4870? 650W worked for me but not sure about the 6850s.