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Looking to get a second card to cf

post #1 of 9
Thread Starter 
I am looking to get a second card to set up in cf with my current 5850.

Looking to spend around 200 cad on one (not exactly a lot I know) nut would be willing to stretch to 300 if it made a big difference.

I do have one question beforehand, do I have to cf with another 5850? Or can I put say... a 6950 in? Would it just be limited to the weakest card of the two?

Thanks for any help everyone!
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post #2 of 9
300 dorras?

and you cant crossfire a 5850 with a 6950

you have to crossfire with something of the same chip / gpu


a 6950 can crossfire with a 6970 and a 6990 as they are all the same chips (6990 has 2 6950 chips)

so you would be best off with another 5850 or selling it and buying the best single card you can
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post #3 of 9
You can crossfire a 5850 with a 5830, 5850, 5870 or a 5970 (for trifire). Selling a 5850 at the moment for me doesnt make that much sense because the resale value is so low. I think its better to take advantage of that low resale value and buy a used 5850 for crossfire than to become a victim of it. 5850 crossfire performance is only bested by the very top cards out at the moment and those cards come at a hefty premium compared to the 5850's.
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post #4 of 9
Thread Starter 
Ok thanks.

So just to clarify I can buy any 5850? It does not have to be the same card from the same vendor?
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Phenom II X6 1055t @ 3.6GHz 24/7 Asus Crosshair IV Formula x2 5850 Crossfire Patriot Viper II Series 4GB 
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WD 1TB Windows 7 Samsung SyncMaster 2494SW 24in Logitech G15 
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Phenom II X6 1055t @ 3.6GHz 24/7 Asus Crosshair IV Formula x2 5850 Crossfire Patriot Viper II Series 4GB 
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WD 1TB Windows 7 Samsung SyncMaster 2494SW 24in Logitech G15 
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post #5 of 9
you can xfire any 58xx card with any 58xx card ( with exception of 5970, which is actually 5870x2 with lower clocks)
and you cannot xfire it with with any other card (6950 was your question) UNTIL and UNLESS you have lucid hydra (which comes with msi big bang motherboard)

and the vendor can be any, sapphire or xfx or any, doesnt matter
just make sure the clocks of both of your cards should be matched, (if you buy a card with different clocks rather the stock ones) because the higher clocked card runs at clocks of lower clocked card when xfire's/sli'd

and you might want to look at this, just for reference

@smorg -- 6990 is 6970x2 not 6950x2

make sure you post some benchmarks
Edited by sid0972 - 5/25/11 at 9:07am
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I Gave it ALL
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SEAGATE 500 GB  Western Digital Green LG W 7 64-bit 
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post #6 of 9
Quote:
Originally Posted by sid0972 View Post
you can xfire any 58xx card with any 58xx card ( with exception of 5970, which is actually 5870x2 with lower clocks)
and you cannot xfire it with with any other card (6950 was your question) UNTIL and UNLESS you have lucid hydra (which comes with msi big bang motherboard)

and the vendor can be any, sapphire or xfx or any, doesnt matter
just make sure the clocks of both of your cards should be matched, (if you buy a card with different clocks rather the stock ones) because the higher clocked card runs at clocks of lower clocked card when xfire's/sli'd

and you might want to look at this, just for reference

@smorg -- 6990 is 6970x2 not 6950x2

make sure you post some benchmarks
You can cfx a 5850 with a 5970. Don't mention the poop that is lucid, no sense in giving advice about crap products.
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post #7 of 9
Quote:
Originally Posted by -relk- View Post
Ok thanks.

So just to clarify I can buy any 5850? It does not have to be the same card from the same vendor?
Thats correct it can be from any vendor makes no difference
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post #8 of 9
I'd sell you mine but Im waiting for the 7870 / 680 to release.
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post #9 of 9
Quote:
Originally Posted by tsm106 View Post
You can cfx a 5850 with a 5970. Don't mention the poop that is lucid, no sense in giving advice about crap products.
by exception i meant 5970 is not a 58xx series card name-wise,but still it can be xfired

i never recommended him to go buy a hydra chip
that was not an advice
that was just for his information
but you are right, hydra is a crap product
just hoping to see when the drivers are mature enough, results are good
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I Gave it ALL
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SEAGATE 500 GB  Western Digital Green LG W 7 64-bit 
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