I was hoping you guys might be able to shed a bit of light on this matter..... Basically I can overclock my 580's and have them run stable @ 1000mhz core, but If I go just a fraction over this, it results in a driver crash during benching. I had to flash the bios on the cards to raise the voltage limit to 1.23v, which is what they are currently running at to achieve this overclock. The temps I get on the cards are 58 degrees max underload. My question is really to do with the some of the users in the Futuremark and HWbot rankings. On water some of these guys can get their cards up to circa 1300mhz. At first I thought it might be power supply related, but I would've thought my psu was strong enough. So what are these people doing to manage such a high overclock? Oh and I'm just asking this because for the first time in a long time I installed a game today (Battlefield 3), maxed the settings and it didn't run 100% smooth.
You think you can get 1300mhz core on water??? Haha, they must have not bothered to show correct cooling, since you'd need subzero for that kinda core clock.
Yeah, LN2 will get you anywhere from 1200-1500 depending on the card, earlier cards tended to clock up to maybe 1200, only later cards (once companies released their binned cards) like the lightning, direct cuII SOC etc did cards start hitting crazy numbers like 1500+ (sorry if I came across harshly in my previous post, didn't mean to ) 1000mhz core is about as good as you're going to get on normal water methinks
No worries man. My temps are quite low though. It seems that lack of voltage is holding them back more than heat.
I think you are forgetting that the guys who get the high scores in 3dMark don't only use LN2 but they also modify the pcb on the gfx card and have their own overclocking tool to adjust the clock timings as well as the speed.
