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4870x2 in PCI-E 1.0a

I'd suspect it would lose 10-15% because of the bandwidth loss unfortunately, and there might be problems with it being 1.0a and a PCI-E 2 card.
 
While I can't confirm Talrinys' speculation of 10-15%, 10% wouldn't be noticeable, and also consider that 99% of games are not going to require the extra bandwidth you would be losing. PCI E should allow for up to just under 150gb/s is it?

That should be plenty.

With Nehalem coming out soon, I would highly advise against changing motherboards until you are REQUIRED to do so, with Nehalem's socket change.
 
Hollywood said:
While I can't confirm Talrinys' speculation of 10-15%, 10% wouldn't be noticeable, and also consider that 99% of games are not going to require the extra bandwidth you would be losing. PCI E should allow for up to just under 150gb/s is it?

That should be plenty.

With Nehalem coming out soon, I would highly advise against changing motherboards until you are REQUIRED to do so, with Nehalem's socket change.
Click to expand...

I'm not planning to change motherboard for a long time yet.

I'm not bothered about upgrading graphics card or not really, but once the price comes down on the 4870x2s I may be interested if I'm not bottlenecked too badly by my mobo.

15% is quite a lot though imo, and I would notice that in most new games.

Waiting for some hard evidence - anyone got anything? :)
 
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Talrinys said:
I'd suspect it would lose 10-15% because of the bandwidth loss unfortunately, and there might be problems with it being 1.0a and a PCI-E 2 card.
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I can't imagine problems with the PCI-E difference other than bandwidth. PCI-E 2 is backward compatible after all, like USB for instance.
 
Overslop said:
I can't imagine problems with the PCI-E difference other than bandwidth. PCI-E 2 is backward compatible after all, like USB for instance.
Click to expand...

PCI-E 2 is backwards compatible without any problems to PCI-E 1.1, there have been numerous issues with plugging for instance an 8800GT into a PCI-E 1.01a(i believe it's called) port, that some of the earliest PCI-E boards used.

In terms of bandwidth, if you're buying a card like this, you're buying it to get every ounce of performance you can outta it, so even 10% is quite the difference. But i support what you said, there is no point in buying a new motherboard for that with Nehalem round the corner, that's the reason i'm not buying a new mobo right now.
 
I have an asus p5n e sli motherboard can anyone tell me what pci express slot this board has can't seem to find any information on it and will i get the reduced performance with the 4870x2.
Maybe a gtx280 would be a better option for me i already have an 8800gtx which is ok without antialiasing, this upgrade has got to last me a while, got another kid on the way so its buy now while i've still got some cash:)
 
maddog said:
I have an asus p5n e sli motherboard can anyone tell me what pci express slot this board has can't seem to find any information on it and will i get the reduced performance with the 4870x2.
Maybe a gtx280 would be a better option for me i already have an 8800gtx which is ok without antialiasing, this upgrade has got to last me a while, got another kid on the way so its buy now while i've still got some cash:)
Click to expand...

Same motherboard as me. Its PCIe 1.1 x16 (the second slot for sli is x8)

Hope this helps

deks
 
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