It's what I figured as being average, reading forums etc..
I suppose it won't hurt running at 1100mhz, if I can keep it stable lol.
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Msi 7970 Oc bad overclocker
- Thread starter fluidz
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It's what I figured as being average, reading forums etc..
I suppose it won't hurt running at 1100mhz, if I can keep it stable lol.
Lower your Memory to 1400Mhz for a while, some take a bit of use before the memory IC's settle in, i know mine did, it would not do more than 1350 from new, there are others on the net who experienced the same thing.
I reduced the clock to 1125mhz, reset the memory to 1375, and heaven still crashes. I've tested 3 times. Crashes at the same place each time. 25th stage into heaven, lighthouse appears.. Black screen.
Testing 1100mhz, 1375 mem, stock volts..
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Thats one of the places mine crashes with an unstable overclock, a voltage bump usually fixes it, have you got more juice in the voltage tank?
Voltage is at stock.
Ok at 1100/1550/stock voltage (1175) heaven is stable
..Where do i go from here? lol
Must head to work, will keep this thread updated as to where i go with this card or as to where the card will go. Time will tell. For now, thanks to everybody for their help.
Voltage is at stock.
Ok at 1100/1550/stock voltage (1175) heaven is stable
Where do i go from here? lol
Must head to work, will keep this thread updated as to where i go with this card or as to where the card will go. Time will tell. For now, thanks to everybody for their help.
Thats not bad for stock volts
If you ever plan on pushing it more let us know as you will need to start overvolting.
Voltage is at stock.
Ok at 1100/1550/stock voltage (1175) heaven is stable
Where do i go from here? lol
Must head to work, will keep this thread updated as to where i go with this card or as to where the card will go. Time will tell. For now, thanks to everybody for their help.
Yep. Pretty good for stock. Maybe if you put in a gaming sesh and then go back to messing with memory/voltage it will go a bit smoother. Bed in the card a bit.
I'm taking delivery of my MSI OC tomorrow so I'll report in here with my OC results.
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Thought I would add my 2p's worth with regard to this specific card and my experiences of overclocking it.
First off you must follow the correct procedure to unlock the card and it's voltages - follow the thread by another member (it's very useful) http://forums.overclockers.co.uk/showthread.php?t=18431335 I was getting all sorts of issues until I did this.
This card will overclock quite nicely. I have managed a stable set-up with the following:
Core Voltage= 1.3v
Power Limit= +20%
Core Clock=1200
Memory Clock=1600
Balanced Fan Speed profile used
Max temp seen is 71degs under full loading.
Personally I don't think "Heaven" is a definitive stress tester. I had no issues in "Heaven" but would get issues in proper gaming, so don't take "Heaven" as gospel. Anyway, these settings and results are under loading on games like BF3 with no stability issues.
My ASIC quality is 66.1% so not that great.
Hope this information is of help.
First off you must follow the correct procedure to unlock the card and it's voltages - follow the thread by another member (it's very useful) http://forums.overclockers.co.uk/showthread.php?t=18431335 I was getting all sorts of issues until I did this.
This card will overclock quite nicely. I have managed a stable set-up with the following:
Core Voltage= 1.3v
Power Limit= +20%
Core Clock=1200
Memory Clock=1600
Balanced Fan Speed profile used
Max temp seen is 71degs under full loading.
Personally I don't think "Heaven" is a definitive stress tester. I had no issues in "Heaven" but would get issues in proper gaming, so don't take "Heaven" as gospel. Anyway, these settings and results are under loading on games like BF3 with no stability issues.
My ASIC quality is 66.1% so not that great.
Hope this information is of help.
Thanks for the feedback.
This is a good card, even though its a reference.
I've recommended it to several people and all have been happy with it.
That was my guide as well, so thanks for the kind words.
As LtMatt mentioned before temps really effect these cards. I could get my 7970 to 1200/1650 but I had to keep the core under 63 degrees to do so which meant the fan running at over 50 percent.
With the new drivers you won't notice those 25/25s on the core and memory.
With the new drivers you won't notice those 25/25s on the core and memory.
This is the best advice in the thread.
I thought mine was duff until I rolled my sleeves up and took my time, it's not as simple as pushing the sliders and crossing your fingers.
Now I can get 1200/1800+ with voltage on both the core and the memory for BM's, what I thought was a below average clocker turned out to be great for the money-£300 for=680 performance before the performance drivers came out, win win.
For general gaming 1100/1600 is plenty.
Going higher than 1100/1550/1.185 (1.175v stock voltage) my card starts to become unstable. If I higher the voltage, up until 1.21v i can hit 1125mhz on the core, bumping up the voltage higher than 1.21v seems to make no difference. When unstable i see black squares appearing, tiny little ones in clusters,. Temps are controlled and stay under 65c. I'm happy with 1100/1550 tbh. But would have been nice to get it higher. I followed matt's advice and i'm now using his official overclocking method within Afterburner, instead of Trixx. I did try moving up slowly in 10mhz intervals to no avail. I can't help thinking if it's me or the card going wrong. Lol.
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No, the vRAM makes almost no difference in Heaven or 3DMark11 full stop.
But it does in games, see here http://forums.overclockers.co.uk/showthread.php?t=18437182
That seems to be pretty consistent with all of my games.
For example...
http://forums.overclockers.co.uk/showpost.php?p=23122945&postcount=481
http://forums.overclockers.co.uk/showpost.php?p=22990998&postcount=23
http://forums.overclockers.co.uk/showpost.php?p=22995656&postcount=89
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Thanks