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Crossfire 5770 or single 6850?

post #1 of 15
Thread Starter 
Used 5770's are like $80 on eBay, but 6850's are like $130. I already have one 5770 in my system.

Which would perform better?

Also, does it need to be the exact same GPU to be able to Crossfire it? (Like can you Crossfire a Sapphire 5770 and a ASUS 5770?)
post #2 of 15
2 5770s are going to be more powerful. Get a second 5770. BEASTLY setup (had it for a while) and can play pretty much anything you want. You got single 6850 and you gain maybe 10% tops while a second 5770 gives you well over 70-80%
 
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post #3 of 15
Get another 5770.
Also, it does not have to exactly the same company.
    
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post #4 of 15
Thread Starter 
Quote:
Originally Posted by Lord Xeb View Post
2 5770s are going to be more powerful. Get a second 5770. BEASTLY setup (had it for a while) and can play pretty much anything you want. You got single 6850 and you gain maybe 10% tops while a second 5770 gives you well over 70-80%
Only problem then is that I would need to buy a new motherboard. I doubt mine supports crossfire, but I am not 100% sure. Got any recommendations on Crossfire socket AM3 motherboards?
post #5 of 15
Thread Starter 
Quote:
Originally Posted by Cee View Post
Get another 5770.
Also, it does not have to exactly the same company.
Do you know if the ASUS 5770 supports Crossfire X?
post #6 of 15
Quote:
Originally Posted by ComradeNF View Post
Used 5770's are like $80 on eBay, but 6850's are like $130. I already have one 5770 in my system.

Which would perform better?
XFire 5770's would perform better. They would perform closer to a 6950.

Quote:
Originally Posted by ComradeNF View Post
Also, does it need to be the exact same GPU to be able to Crossfire it? (Like can you Crossfire a Sapphire 5770 and a ASUS 5770?)
You can crossfire any brand 5770 with any other brand 5770. I even have one single slot 5770 XFired with a reference 2 slotter.
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post #7 of 15
I second the second HD 5770. HD 6850 is not a huge improvement. Now 2 HD 6850's work out ok and can be a nice upgrade over 2 HD 5770's, but I still say get the 2nd 5770 for now and maybe sell them off for 1 single nice card later or maybe get the 6850 CF setup later.
post #8 of 15
Quote:
Originally Posted by ComradeNF View Post
Only problem then is that I would need to buy a new motherboard. I doubt mine supports crossfire, but I am not 100% sure. Got any recommendations on Crossfire socket AM3 motherboards?
Nope, no crossfire on that board.

ooops, sorry, thought someone posted after me.
post #9 of 15
definitely another 5770 for CF. I have 5750CF and they're pretty good. I got them for $65 a piece. Of course it was used though.
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post #10 of 15
It doesn't support Xfire... If you want a single card solution, go with a GTX560Ti. Beastly card. Or go single 6950 and unlock it to a 6970.
 
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