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XFX Radeon 7970 1110/1560 Overclock - No Voltage Tweaks, can I go further?

post #1 of 8
Thread Starter 
So, following an overclocking guide I managed to find out that the maximum overclock for my card was 1110MHz Core and 1560MHz Memory Clock, by changing the voltage can I go any further? There were some very small artifacts when I went to 1115MHz Core Clock and the artifacts went crazy at 1125MHz Core Clock. My question is, would it be a good idea to overclock even further with a voltage tweak? My current voltage is 1112mV but I have no idea of what tweaks to make and in what increments and how to test if it is actually letting me overclock better.

Anybody able to help me with this?
post #2 of 8
At 1175 I am able to get 1260mhz out of my card. Some 7970's ship with higher voltage then what you have so yes you can safely go up to around 1250. Some will go higher then that but I would not on air.
    
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post #3 of 8
add .125v to your 1.112v as a max voltage to use. Set it there and start clocking up again. Use +20% on the power slider also tho now.
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post #4 of 8
Quote:
Originally Posted by jtom320 View Post

At 1175 I am able to get 1260mhz out of my card. Some 7970's ship with higher voltage then what you have so yes you can safely go up to around 1250. Some will go higher then that but I would not on air.

my asus dc ii comes stock 1172 mv.
so does that means it can be oc more ??
post #5 of 8
Thread Starter 
Quote:
Originally Posted by jtom320 View Post

At 1175 I am able to get 1260mhz out of my card. Some 7970's ship with higher voltage then what you have so yes you can safely go up to around 1250. Some will go higher then that but I would not on air.

Your lucky tongue.gif! I'm trying for 1150, I doubt I'll succeed though. The temps are way too high and I'm not willing to go over 80.
post #6 of 8
Quote:
Originally Posted by Avian View Post

Your lucky tongue.gif! I'm trying for 1150, I doubt I'll succeed though. The temps are way too high and I'm not willing to go over 80.

Yes I finally got lucky with a piece of hardware. If it makes you feel any better I need to go over 1.42 to pass 4.5 ghz on my CPU.

Stock volts for my 7970 (and it will hit 1150 on stock volts) is 1112..
    
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post #7 of 8
Quote:
Originally Posted by Avian View Post

So, following an overclocking guide I managed to find out that the maximum overclock for my card was 1110MHz Core and 1560MHz Memory Clock, by changing the voltage can I go any further?

Which guide did you use btw?
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post #8 of 8
Thread Starter 
Quote:
Originally Posted by nvous23 View Post

Which guide did you use btw?

I think it was an ATi overclocking guide (it was pretty old) on this forum. It involved using GPUTool and MSIAfterburner, It's pretty difficult to find tongue.gif

Also, I hit 1125 and 1575 with higher voltages and its stable, so I'm marginally happy. I'll try for 1300MHz on liquid.
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Overclock.net › Forums › Graphics Cards › AMD/ATI › XFX Radeon 7970 1110/1560 Overclock - No Voltage Tweaks, can I go further?