Any point moving from a P45 board to an X48 for Crossfire?

mike gunnz

mike gunnz

mike gunnz

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I've been playing with crossfire on my Biostar TPI45 for the last couple of days and I must say I'm very very impressed with the results. After bashing crossfire for ages I'm forced to retract as its proven to be stable and silky smooth. :o

(I'm trying not to think about the power draw). :(

Anyway, as per title, is there any point in switching to an X48 board to maximise the benefits of crossfire or should I just stick with my trusty Biostar board?
 
X48's were made for crossfire though i see no benefits of one of them over you current P45 setup, as long as both cards are running at there full bandwidth from the PCI-E slots

I'd stick with P45 IMO, better OC'ing too
 
Momentary thread hijack here, but would it be worth moving from a P35 board to a P45? My board doesn't do crossfire, and given that I like to play games like Crysis, would it be worth giving that a go?
 
You're board has two PCI-E *16 slots doesn't it

So both cards will be using the full 16 lanes (8 lanes on PCI-E 2.0), i believe this can be checked in GPU-Z

Though you say you are getting impressive performance so that would also indicate the cards using the full bandwidth available.
 
Difference between X48 and P45 with crossfire is only about 5% tops, so I really wouldn't bother.
 
HeX said:
Difference between X48 and P45 with crossfire is only about 5% tops, so I really wouldn't bother.
Click to expand...

Of which can be claimed back via overclocks, also increasing the bandwidth of the PCI-E lanes up from 100, usually to around 110, sometimes higher depends on the boards abilities
 
ConTRo13R said:
Of which can be claimed back via overclocks, also increasing the bandwidth of the PCI-E lanes up from 100, usually to around 110, sometimes higher depends on the boards abilities
Click to expand...

The same could be said about a X38/48 board though which would pull the performance back in their favour. X38/48 boards are no slouches themselves.

I do agree though. Although the Biostar will have both cards running at X8 instead of X16 it will hold them back very little. No point in changing boards for the sake of a few percent. If it was a pair of X2's it would be different.
 
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