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[VC] AMD Radeon R9 290X with Hawaii GPU pictured, has 512-bit 4GB Memory - Page 105

post #1041 of 1055
Quote:
Originally Posted by Nonehxc View Post

And this, kids, is why you put your better card if each card equal but one clocks better or your highest end card if assymetrical crossfire in the x16 slot, which usually is the topmost pcie one.
Or have a better board with x16 x16 slots. But true always the better card for times when CF isn't supported
post #1042 of 1055
Quote:
Originally Posted by KyadCK View Post

What?

Ok, first off, I will never ever tell someone it's a good idea to run a strong GPU on a 2.0 x4.

Second, all those numbers are for on-board crossfire, so R9-290 and R9-290X only. All 7k series cards require a crossfire bridge, and while I'm sure I could find some documentation, I really don't want to do that math.

Lastly, you always want the stronger card on top in asymmetrical crossfire, because in the occasional case that the game does not support crossfire, you want the most GPU power available.

Also, these bandwidth numbers have nothing to do with what the cards themselves can produce, only the theoretical requirements for inter-card communication based on the bandwidth being run. It wouldn't matter if you were using 7970s or 7770s, they would need that bandwidth under those scenarios.

I think I catch his drift. Since in theory asymmetrical crossfire "downgrades" the strongest card to be equal to the lesser one, he is afraid that by putting the already weaker 7950 on a 2.0x4 he will lower the floor even further. Of course,as you explained ,it is a bad idea.
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post #1043 of 1055
Quote:
Originally Posted by Durquavian View Post

Or have a better board with x16 x16 slots. But true always the better card for times when CF isn't supported

Maybe I should send you my address so you can buy the board and send it over

Quote:
Originally Posted by Kuivamaa View Post

I think I catch his drift. Since in theory asymmetrical crossfire "downgrades" the strongest card to be equal to the lesser one, he is afraid that by putting the already weaker 7950 on a 2.0x4 he will lower the floor even further. Of course,as you explained ,it is a bad idea.

Ding ding ding you hit the nail on the head that's exactly what I was ring to find out. Only 2 of The games that I play that really need help with Crossfire BF3, Cry3 the rest can work easily on a 7950 Dirt 3,F1
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post #1044 of 1055
Quote:
Originally Posted by diggiddi View Post

Maybe I should send you my address so you can buy the board and send it over
Ding ding ding you hit the nail on the head that's exactly what I was ring to find out. Only 2 of The games that I play that really need help with Crossfire BF3, Cry3 the rest can work easily on a 7950 Dirt 3,F1

I still think you need to keep your stronger card in the x16 slot. thumb.gif
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post #1045 of 1055
Quote:
Originally Posted by criminal View Post

I still think you need to keep your stronger card in the x16 slot. thumb.gif

Ok cool
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post #1046 of 1055
Has ANYONE purchased a preorder from overclockers.co.uk for it yet? I really need to know, lol
post #1047 of 1055
Quote:
Originally Posted by Jaxonfire View Post

Has ANYONE purchased a preorder from overclockers.co.uk for it yet? I really need to know, lol

Not me, but 150 have at the last count.

http://forums.overclockers.co.uk/showpost.php?p=25052538&postcount=198
Edited by Abundant Cores - 10/3/13 at 7:54pm
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post #1048 of 1055
The thing is, I'm from the US. Is it still viable to preorder through them? There really aren't any other options, aside from the $1500 Scandanavian sites for me are there?

Also, would they actually refund quickly if I don't think the price is right? or take 6 weeks.. Because that's unacceptable.
post #1049 of 1055
Quote:
Originally Posted by Jaxonfire View Post

The thing is, I'm from the US. Is it still viable to preorder through them? There really aren't any other options, aside from the $1500 Scandanavian sites for me are there?

Also, would they actually refund quickly if I don't think the price is right? or take 6 weeks.. Because that's unacceptable.

I don't know, they do get overseas orders but not sure about the US, best thing you can do is ask them.
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post #1050 of 1055
Do not panic from the US. Those preorder pages are extremely preliminary. e.g. people are talking about a Swedish site's price, but it has in bold underneath, and in more than one lines "the price will change".
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