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Budget Eyefinity build - Page 2

post #11 of 23
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Quote:
Originally Posted by Clockadile Dundee View Post
I'm not sure you caught on, so I'm just going to say it again : a 5970 will only have 1 GiB to work with in gaming, just like cfx 5870's would.
Right, so until eyefinity supports crossfire, 1 5970 is the best it's going to get.
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post #12 of 23
Quote:
Originally Posted by Kemilyon View Post
Right, so until eyefinity supports crossfire, 1 5970 is the best it's going to get.
I'm not sure about this, because of it doesn't support crossfire, what is the difference between a 5870, and a 5970?

Edit: what I mean is, a 5970 is just crossfire on a single PCB.
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post #13 of 23
Thread Starter 
Quote:
Originally Posted by Clockadile Dundee View Post
I'm not sure about this, because of it doesn't support crossfire, what is the difference between a 5870, and a 5970?
Ya I see your point now, since a 5970 is an underclocked 5870. The 5970 route would be good for future upgrade when it's supported, but an overclocked 5870 might be the best single card solution.
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post #14 of 23
Quote:
Originally Posted by Kemilyon View Post
Ya I see your point now, since a 5970 is an underclocked 5870. The 5970 route would be good for future upgrade when it's supported, but an overclocked 5870 might be the best single card solution.
Dual 5870s could actually be better than a 5970 (not that you said otherwise), as the VRMs are supposedly a better match for the current demands of each card, resulting in less heating up of the VRMs, eliminating them as a limiting factor in overclocking.

(So I have heard, anyway)

But: considering this supposed to be a budget build, I would recommend the 5850. You can do it with a 1 GiB vram card, but I think just not with all the AA, AF, etc.
Edited by Clockadile Dundee - 12/10/09 at 11:18am
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post #15 of 23
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Quote:
Originally Posted by Clockadile Dundee View Post
Dual 5870s could actually be better than a 5970 (not that you said otherwise), as the VRMs are supposedly a better match for the current demands of each card, resulting in less heating up of the VRMs, eliminating them as a limiting factor in overclocking.

(So I have heard, anyway)

But: considering this supposed to be a budget build, I would recommend the 5850. You can do it with a 1 GiB vram card, but I think just not with all the AA, AF, etc.
So you don't think the price/performance of a 5870 over 5850 is worth it for $130? (I'm not being a smart***, I really don't know.)

Edit: The full build with OS is sitting just at $1,900 including the 5870, which isn't too bad considering the 3 LCD's.
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post #16 of 23
Quote:
Originally Posted by Kemilyon View Post
So you don't think the price/performance of a 5870 over 5850 is worth it for $130? (I'm not being a smart***, I really don't know.)
Not if there is any sort of budget; it comes down to price/performance like you say. The 5850 is equivalent to the 5870, when they are OC'd to the same clocks (even though the 5850 has less SPs (SP= stream processors, AKA "shaders").

Maybe there will be a bigger difference with driver updates, but I would think they would help the 5850 as much as the 5870. There should be a link to some benchmarks somewhere on here, which demonstrate that an OC'd 5850 will yield the same FPS as 5870.
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post #17 of 23
The 5970 in Crossfire does support Eyefinity, I'm pretty sure. Whereas everything else in Crossfire does not at the moment.
post #18 of 23
Quote:
Originally Posted by Kemilyon View Post
Ya I see your point now, since a 5970 is an underclocked 5870. The 5970 route would be good for future upgrade when it's supported, but an overclocked 5870 might be the best single card solution.
5970 IS 5870X2
ATI does not want to use the X2 moniker anymore, so they come out with a new type for the card. There are 2 GPUs in that monster.

Btw, at your post above, you mention that crossfire does not support eyefinity. I'm afraid you get that wrong perception.

At the moment, xfire does not support eyefinity, except for 5970.
If you're planning to get threee monitor, best bet is get 2 x 5970, which is the same as quad-xfire.

Regarding why 5970 is so underclocked, it is because ATI wants to press the power consumption down. You can easily OC it by yourself, though.
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post #19 of 23
Pretty sure the 5970 can do eyefinity fine since the crossfire portion of it is happening on the card itself rather then the connection through the southbridge that a traditional crossfire set up must use.

Two cards in crossfire and a single card with dual gpu's onboard to not crossfire in the same method.

Edit:
It's not 5970 just for the sole reason of getting away from the X2 denotation, it's also due to the fact that they had to underclock it a little bit to stay within the power limitations. Hence it is not technically a 5870 x2 the same as the 4870 x2 really was the performance of 2 4870's give or take. It's also not priced the same as two 5870's, where as the 4870 x2 was priced as two 4870's for the most part. Everything they did completely correlates to it's performance, so people comparing it to two 5870's when it's intentionally not named a 5870 x2 and not priced near the same as two seperate 5870's is just irrational, and a little bit un-educated.
Edited by Pao - 12/10/09 at 11:45am
     
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post #20 of 23
Thread Starter 
Quote:
Originally Posted by jemping View Post
5970 IS 5870X2
ATI does not want to use the X2 moniker anymore, so they come out with a new type for the card. There are 2 GPUs in that monster.

Btw, at your post above, you mention that crossfire does not support eyefinity. I'm afraid you get that wrong perception.

At the moment, xfire does not support eyefinity, except for 5970.
If you're planning to get threee monitor, best bet is get 2 x 5970, which is the same as quad-xfire.

Regarding why 5970 is so underclocked, it is because ATI wants to press the power consumption down. You can easily OC it by yourself, though.
I'm pretty sure I have read that quad-xfire is not supported yet? But thanks everyone for the clarification on xfire vs crossfire
Edited by Kemilyon - 12/10/09 at 11:45am
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