GPU Overclocking Help Needed

[coolstubbs10]

Hi guys,
I am a bit of a noob when it comes to overclocking and so am quite unsure of what to do. I have a HIS 7950 IceQ and am using the iTurbo utility. I tried raising the core speed and also the memory speed, but have no idea whether to touch the VDDC, MVDDC or board power limit. When I compared the two benchmark results (Unigine Heaven and Bioshock Infinite Benchmark), the non-overclocked one was actually higher The card has a great cooling system so what is the best way of getting extra performance out of my card? If you need a picture of the utility, just ask.

Thanks very much for your help

 

[Deleted member 1069427]

Hello,

I would try using a different overclocking utility such as MSI afterburner as it is easy too use. I would start of by raising the memory clock +50 and then running furmark for around 5/10 minutes. Keep raising till you notice artifacts or crashing. Then reduce the speed. Next move onto the core clock and raise that +50 and doing the same thing till you get artifacts or lock downs. Keep a eye on the temperature. I personally prefer too keep it under 85 on full load. After you are happy I would text some games such as crysis 3 and see if that causes any crashes or such. I would leave the core voltage as it is for now. I'm no professional myself but this is how I overclocked my 680.

Sorry if this is of no use.

 

[coolstubbs10]

Hello,

I would try using a different overclocking utility such as MSI afterburner as it is easy too use. I would start of by raising the memory clock +50 and then running furmark for around 5/10 minutes. Keep raising till you notice artifacts or crashing. Then reduce the speed. Next move onto the core clock and raise that +50 and doing the same thing till you get artifacts or lock downs. Keep a eye on the temperature. I personally prefer too keep it under 85 on full load. After you are happy I would text some games such as crysis 3 and see if that causes any crashes or such. I would leave the core voltage as it is for now. I'm no professional myself but this is how I overclocked my 680.

Sorry if this is of no use.

Thanks for the advice, I thought it would solve the problem but even with Afterburner the performance is lower. It let me raise the sliders all the way to the top without and artifacts (1200 core clock and 1500 memory clock) staying below 65 degrees, but the performance was still lower than it was before! Do you think there is a fault with the graphics card? I think the card was made with overclocking in mind so I don't know if there are any restrictions to stop me doing it.

 

[Deleted member 1069427]

Hello,

I would try using a different overclocking utility such as MSI afterburner as it is easy too use. I would start of by raising the memory clock +50 and then running furmark for around 5/10 minutes. Keep raising till you notice artifacts or crashing. Then reduce the speed. Next move onto the core clock and raise that +50 and doing the same thing till you get artifacts or lock downs. Keep a eye on the temperature. I personally prefer too keep it under 85 on full load. After you are happy I would text some games such as crysis 3 and see if that causes any crashes or such. I would leave the core voltage as it is for now. I'm no professional myself but this is how I overclocked my 680.

Sorry if this is of no use.

Thanks for the advice, I thought it would solve the problem but even with Afterburner the performance is lower. It let me raise the sliders all the way to the top without and artifacts (1200 core clock and 1500 memory clock) staying below 65 degrees, but the performance was still lower than it was before! Do you think there is a fault with the graphics card? I think the card was made with overclocking in mind so I don't know if there are any restrictions to stop me doing it.

The overclocked performance is lower then the stock performance? Strange.
Note the stock score on the card down. Next step would be the same. But add +50 on memory clock. Run the tests again. See if the score goes up. You should easily be able to get around +100 on Memory clock and Core clock though. Keep testing till you find a stable but good overclock. Increasing the memory clock wouldnt affect performance as much as the core clock would. Every +50 would get you maybe 1 FPS increase. You could leave the mem clock at stock and just overclock the core clock while noting scores down.

Have a look at this guide-
http://wolframpc.blogspot.co.uk/2012/01/graphics-card-overclocking.html