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GPU "underclocking" itself in Unigine Heaven.

So I'm using a Gigabyte R9 270 and have overclocked it to 1140/1500 with +10% power. It shows the same overclock in GPU-Z and also in MSI Afterburner. But when i open up unigine heaven to test it, it shows 949/1400 why is this? Is it unstable? I can play games fine on it such as BF3.
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  1. Best answer
    unigine is likely reporting the wrong clocks. let msi afterburner run in the background, run heaven, then look at afterburners log and see what the reported clocks on the graph were.
  2. nikoli707 said:
    unigine is likely reporting the wrong clocks. let msi afterburner run in the background, run heaven, then look at afterburners log and see what the reported clocks on the graph were.


    How do you see what clock speed the gpu is CURRENTLY running at in MSI afterburner?
  3. msi afterburner has the hardware monitor graph that shows a log of the clocks it is running, along with a bunch of other stats like voltage, fan speed, power %, etc. with the computer at idle it should be running in a low power state and will show something like 300mhz.
  4. nikoli707 said:
    msi afterburner has the hardware monitor graph that shows a log of the clocks it is running, along with a bunch of other stats like voltage, fan speed, power %, etc. with the computer at idle it should be running in a low power state and will show something like 300mhz.


    You're right :D let me try that
  5. Unigine was at fault thank you very much for your help :D
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Overclocking 4.0 R9 270 Unigine Heaven Gigabyte GPUs