Crossfiring 2 cards?

[Gobble45]

I have an opportunity to buy my mates old Graphics card. its a Radeon HD5870.
currently i have a Radeon HD5770.

is it possible to crossfire these cards? one of my (not so friend) friends, is Xfiring a 6970 and a 6990
so can i xfire a 5870 and 5770?

or would it be best to just buy the card for the slight update?

 

[mdd1963]

Even if it were possible, the 5870 would be run at the far slower speeds/throughput of the 5770.

But as the 5870 offers a full 50% increase in framerates over the 5770, and just about ties the stock clocked 560Ti models, I'd grab it if the price is right...

http://www.tomshardware.com/charts/2011-gaming-graphics-charts/Aliens-vs.-Predator-Enthusiast,2668.html

Your friend is able to 3 way XFire because the 6990 is basically a pair of 6970s on a single card, so is compatible with adding yet another 6970....

 

[Gobble45]

Best answer selected by Gobble45.

 

[mlcaouette]

What kind of price is he selling the card for?

No you can't crossfire them here is the chart:
http://sites.amd.com/PublishingImages/Public/Graphic_Illustrations/WebBannerJPEG/AMD_CrossfireX_Chart_1618W.jpg

 

[Gobble45]

What kind of price is he selling the card for?

Not too sure yet. seeing as most retailers dont sell the card anymore he cant find an accurate cost.
i offereed him $20 and he just kicked me from the skype call XD
so im assuming $100+

 

[mlcaouette]

I think you would be able to get 50 to 70 for your old card on ebay as long as it is in good condition. So I guess it will come down to whatever price he decides to sell for.

 

[Gobble45]

i probably wont buy it. due to the fact, for my birthday, my grandparents are buying me a 6970
im spoilt, and they dont question me

 

[tobensg]

You lucky thing, i'd be just as happy to get a 6970 too. But, as I have a family this card will be bottom of the pile before I can afford one!!