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5870 Crossfire or 5970? - Page 2

post #11 of 48
Quote:
Originally Posted by Rakhasa View Post
Where do you get it for 200 dollars? Can you provide me any links, and are they second hand? I have a sapphire 5870 1gb (game edition). They sell for 349 here on canadacomputers and they don't have any on newegg.ca =\\. And also my 700PSU is SLI ready not crossfire =\\ it lacks a 2nd pair of pcie1 and 2 cords. Thanks!
the PSU doesn't matter if it says sli ready or not but usually when you buy a graphics card it commes with a molex to 6pin cable so you can plug that in but i cant quite understand but do you only have 2 6pin pcie plugs if so theres no way in hell its sli ready

and about the graphics card you dont need the exact same card to run crossfire i have a Sapphire 5850 and an XFX 5850 in xfire and runs awesome
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post #12 of 48
EDIT: that guy above stole my show

Well I would recommend upgrading the PSU and still getting another 5870. but you don't have to use that plug, you can adapt it

Also the 5970 is still considered to be Crossfire, course.

You should be able to look around and find a 5870 for cheap.

Also remember you don't have to get a Sapphire, you can get any brand and it will still work.

If you can try to keep them both reference or non-reference matching, just depending on what your current card is, try to match the new one with it in means of reference.
post #13 of 48
Quote:
Originally Posted by nickbaldwin86 View Post
EDIT: that guy above stole my show

Well I would recommend upgrading the PSU and still getting another 5870. but you don't have to use that plug, you can adapt it

Also the 5970 is still considered to be Crossfire, course.

You should be able to look around and find a 5870 for cheap.

Also remember you don't have to get a Sapphire, you can get any brand and it will still work.

If you can try to keep them both reference or non-reference matching, just depending on what your current card is, try to match the new one with it in means of reference.
lol sorry i still don't know how they say its sli ready with only 2 PCIE connectors my 9800GTX+ needs 2
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post #14 of 48
Quote:
Originally Posted by Rakhasa View Post
Hello guys,

I currently run a i7 920 at 3.8ghz, a single Sapphire 5870, 700W GameXstream PSU and was wondering the following..

Keeping in mind that I do not plan to OC my GPU higher than the overdrive lets me in CCC what do you guys recommend?

I am trying to decide whether to buy another 5870 for around $300 CAD nearby at a Canadacomputers, or sell my current 5870 and buy a single Sapphire 2gb 5970. Also, would I have to upgrade my PSU? I know that the 5970 requires an 8pin plug which my 700W does not currently have.

I like to run my games on maxed out settings, 1920x1080 res. I play ARMA II, operation flashpoint, Crysis warhead, waiting for crysis 2 and so on.

Thanks!
A 5970 or even dual 5870s would be wasted at that res. Seriously, SmokinWaffle did tests at that res and the GTX 470 beat a 5970 by .1 FPS . Just get a single 5870.
    
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post #15 of 48
actually you're psu does support the 5970 you should have a cable with an extra 2 pin attached to it

but if you do want an extra 5870 heres a cheap one i found i dunno if u like ordering online tho but i love these guys its where i usually by my computer stuff
http://www.directcanada.com/products...cture=GIGABYTE
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post #16 of 48
Your PSU won't support dual 5870's.
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post #17 of 48
Thread Starter 
I just ordered a sapphire 5870 on tigerdirect for $279 with $30 in mail in rebate. If I must I will upgrade my PSU Does anyone have any recommendations for a good quality PSU that will be enough to support 2x5870s without going overboard? I also have a H50 cooler and my i7 920 is using 1.25vcore, do these add a lot of stress to PSUs?
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post #18 of 48
6870 Crossfire is a smarter choice. It's identical in DX9/10 games to 5870CF and performs much better in DX11 games. 6870CF also consumes 74W less than 5870CF.

You'll also get 4 monitor Eyefinity support + next gen AMD video accelerator and all other stuff 6000 series brings.
Edited by Nautilus - 1/23/11 at 2:58pm
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post #19 of 48
Thread Starter 
The only problem is I would have to buy 2 of them, while I already have one. I love the 5870, it has done very well for me and I feel comfortable with another one
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post #20 of 48
Get another 5870. Your PSU is fine for a 5870 crossfire setup.
Edited by born2bwild - 1/23/11 at 4:02pm
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