Anyone with 5970 overclock yet?

[DonnieT]

All the reviews i've read said they could not reliably overclock to what was the max. Has anyone found a happy medium before I bravely mess with mine?

 

[cbn]

http://www.guru3d.com/article/overclock-radeon-5970-guide/1

935 Mhz on both cores in that review. I just wonder how loud the fan needs to be in order to cool the VRMs/cores?

 

[ViRGE]

http://www.guru3d.com/article/overclock-radeon-5970-guide/1

935 Mhz on both cores in that review. I just wonder how loud the fan needs to be in order to cool the VRMs/cores?

I would think it would depend entirely on what they're running. Even AnandTech's fussy 5970 ran fine on games; it wasn't until they broke out GPGPU stuff that the VRMs freaked out.

 

[x3sphere]

I can get by with 50 % fan speed at 5870 speeds (850/1200) on my 5970. Runs fine, tested under extended sessions of Crysis. Honestly, overclocking it is pointless ATM unless you're benching. In most games I average well over 100 fps at 2560x1600, an extra 10 fps there means nothing and isn't worth the extra heat / power consumption.

One thing I noticed, at least with my 5970, is that it requires much less voltage to reach 5870 speeds. I can get a stable overclock of 850/1200 at only 1.125 Vcore. That's significantly less than the stock Vcore of a single 5870. I assume with proper cooling these things could be pushed quite far..