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5770 crossfire/trifire question

post #1 of 20
Thread Starter 
I currently own a XFX 5770 and stumbled upon these goodies on craigslist:

XFX ATI Radeon HD 5770 PCI-E 1GB card - $50
XFX ATI Radeon HD 6770 PCI-E 1GB card - $75

My question is, would it be worth the 25 dollars to xfire the 6770 with the 5770 or should I save money and just go with another 5770. I know you can crossfire the first two, but I haven't had much luck on finding the benefits.

Fun question, would it even be remotely economical to trifire the three cards?
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post #2 of 20
its the exact same chip so get the cheaper one, and 5770s actually work nicely in trifire so i would go for it. OR you could even go quadfire
    
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post #3 of 20
The 5770 is identical to the 6770. If you can find a 5770 -- and you're set on crossfiring -- get the 5770.
 
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post #4 of 20
The 5770 is a better deal, considering they are basically the same card. Also, I doubt trifire is worth it, if even possible. Do the cards all have two CFX connectors?
post #5 of 20
Thread Starter 
Quote:
Originally Posted by iCrap View Post
its the exact same chip so get the cheaper one, and 5770s actually work nicely in trifire so i would go for it. OR you could even go quadfire
Awesome, that's what I thought, but I've seen so many mixed answers online I wanted to make sure.

The guy does have a second 5770 for sale, but it's not an XFX. It's a Diamond ATI Radon HD 5770 Low Profile PCI-E 1GB card. Would I be able to tri fire without many issues or would this become a complicated mess?
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La computadora
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post #6 of 20
I didn't find any Diamond low-profile 5770s from Google, but the PowerColor one I saw didn't appear to have any Crossfire tabs...
post #7 of 20
Quote:
Originally Posted by Blenderr View Post
I currently own a XFX 5770 and stumbled upon these goodies on craigslist:

XFX ATI Radeon HD 5770 PCI-E 1GB card - $50
XFX ATI Radeon HD 6770 PCI-E 1GB card - $75

My question is, would it be worth the 25 dollars to xfire the 6770 with the 5770 or should I save money and just go with another 5770. I know you can crossfire the first two, but I haven't had much luck on finding the benefits.

Fun question, would it even be remotely economical to trifire the three cards?
Adding 6770 will require to put the 5770 as secondary, not the other way around. Go for another 5770 to crossfire or trifire if the card has 2 interconnect gold fingers. Trifire 5770 x $50 = $150 ? Go for it if you motherboard supports it.
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post #8 of 20
Yea make sure it has xfire tabs... most low profile cards don't...
    
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post #9 of 20
Thread Starter 
Quote:
Originally Posted by iCrap View Post
Yea make sure it has xfire tabs... most low profile cards don't...
I'll ask him, I'm 100% sure the XFX cards do. The one I have at home does for sure. So if the low profile does not then I would have to settle for a crossfire situation unless you can do 6770 (primary) and then two 5770s as secondaries.
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La computadora
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post #10 of 20
Yea you can do 2 5770s and a 6770 just fine, and add the fourth if it has the tabs on it.
    
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