Gtx 580 overclock help

[FloppyPoppy]

Ive been overclocking my gpu recently and compared to results i can find on the net mine dont seem to brilliant i was wondering if there is something in my settings that could be hindering me i included cpuz in the pic as im not sure if cpu can have any effect on it. i was also wondering if it could be psu related as i know my psu is only just cutting the mustard for my setup. thanks for any help guys i appreciate it

 

[Ritsugamesh]

Although I don't have a great deal of experience with overclocking nVidia cards, at first glance that doesn't seem like a particularly poor o/c, even if the core/memory are perhaps a little on the low side in comparison with others.

What did you use to test stability? Did you confirm instability through driver crashes/recoveries or was it a system failure? This could change the focus of the lack of o/c potential drastically.

Not familiar with your PSU either but I think you should be - okay - with your system and that psu, though it does seem a little on the lower side of things. That being said, perhaps you could ease your cpu overclock, free a little more juice up on the psu and see whether your stable gpu clock can be budged at all?

Have you overvolted the card at all for that o/c? Apologies if it's a silly question as stated before I'm not a pro with nVidia cards and the voltage seems within reason for a stock card.

EDIT: One thing I forgot to ask; what temps are you getting when you do your stability tests? (such an obvious one, silly me!)

 

[FloppyPoppy]

I use msi kombuster as stability test over a hour period(no furmark because nvidia implemented a feature as some users were pushing there cards to far on furmark and they were burning up and breaking so now if you run a high end nvidia solution it will underclock when you run furmark, and just to be sure i usualy loop unigen heaven about 5 times on top settings under 100% load my card is hitting about 88C (auto fan speed usualy puts me to about 60-65% speed) and i was stuck at this point before my cpu was overclocked aswell and yes i have overvolted the card from 1.063 up to 1.125. Thanks for your reply

and i confirm instability through driver crashes during testing not sure for the exact name of it but it goes grey screen comes back on and a info bubble pops up saying your display adapter has crashed (along them lines ) but then if i just restart the game/benchmark/stress tester whatever im doing it works fine again

and as crazy as it seems ive seen people reach 1302 core clock

 

[AxeMan]

I have the same card and and processor.

My current 580 overclock is as follows;

Voltage 1.125
Core 940
Shaders 1880
Memory 2100

Fan auto

That's as far as my card will go without having black screen lock ups.

I have a feeling that the memory is the problem here, but am reluctant to bump up the voltage for that. Besides , core speed is probably more beneficial than a slight memory increase anyway.

Hope it helps.

AM

 

[mountaincow]

I use msi kombuster as stability test over a hour period(no furmark because nvidia implemented a feature as some users were pushing there cards to far on furmark

There is no difference, the card will be throttled when running kombuster. Do not worry though as there is no real need to use either furmark or kombuster, just use a decent benchmark or game to test stability. Personally I use unigine tropics, as I have had unstable clocks pass fine in heaven.

 

[Krony]

As mentioned Msi Konbuster and Evga OC Scanner are all basically Furmark, i used to use the Heaven benchmark and also 3DMark11 to test for stability and artifacts, 915/1075 is not bad at 1.125v really, I would drop the memory to stock and just work on the core first, once u find the max stable core then leave it on that and work up with the memory, memory gives no where near the performance gains as the core does and it can hold ur core clock back.

 

[FloppyPoppy]

Thanks guys i mannaged to get it to 930 last night on the same voltage ( but it was a freezing night) and il drop down my mem clock and see if i can get it up a tiny bit more thanks again

 

[ALXAndy]

Furmark and Kombustor are useless.

I could run my 6970L through both for hours at a time. Load up Crysis 2? lock.

I would be careful on the memory. That will lead to damage on the card.

As for the overclock? Even the 580 Classified Ultra can just about do 1ghz on its air cooler. Hence the name ultra, as those are the ones that overclock to 1ghz on air IIRC. The others aren't even guaranteed to.

http://www.techpowerup.com/156881/E...-GTX-580-Classified-Ultra-graphics-cards.html

The ultra comes with a factory clock of 900mhz. So I would be happy with what you've accomplished given that your card does not have the VRMs and power stages needed to go near a Classified. You'll just end up blowing it up.

 

[Krony]

This will give u an idea of what ppl have achieved with different cards, voltages and cooling methods.

 

[FloppyPoppy]

Thanks for the help guys btw ive been having another problem with my card actualy come to think of it, sometimes when i boot my pc it doesnt post doesnt pic the card up and gives me a resoulution like half the size of my screen i think it might be to do with the cruddy mini hdmi adapter seemed pretty knackerd last time i looked at it could that be a cause of the problem?

 

[Krony]

Maybe, what monitor do u have? can't u use Dvi ?

 

[FloppyPoppy]

I dont have a dvi cable anywere! i use a 22inch logik tv but it does support dvi i prefer dvi to hdmi anyway but i cant get a wire anywere might just plunge and get one online