Quote:
Originally Posted by afw
I think the 6870 will have more overclocking headroom than the 6850 because of power limitations ... cos the 6850 needs 127W and max power possible will PCI-e slot + 6-pin is 150W ... while the 6870 requires 151W and is provided 225W (2 x 6-pin + PCI-e) .... but I read that the 6-pin can provide more than 75W if needed ... not sure tho ... just my 2c ...  |
I'm sure you can pull more through a single 6 pin but it's down to the psu as to how much more you can try and force out of it (i could be wrong though).
But i think your right, the fact that the 6870 is supposed to draw 1w over the limit of a 6 pin with the pci-e supply should mean if it's more power it wants it has the hardware to suck a lot more out of your psu than the 6850 so hopefully with a little overvolting the 6870 should get some nice increases, hopefully hitting 1ghz with ease or more.