Powercolor 280x cannot overclock, drops speed

Discussion in 'Videocards - AMD Radeon' started by Dego, Sep 25, 2017.

  1. Dego

    Dego New Member

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    I wanted to overclock my 280x. And even if I up the memory for 1Mhz from 1500-1501 my speeds drop to 300/150Mhz and then the screen starts to flciker and the same is if I try to up the clock speed. I've noticed I can up the speed if I run youtube in the background, I've gotten speed of 1100/1700 but after closing chrome its the same problem.

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  2. stevvie

    stevvie Member Guru

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    GPU:
    5700XT Pulse
    Thats correct the way it is showing. Your overclock speed is only when needed, like playing a game. When on the desktop the card goes into a kind of power saving mode. Start a 3D game and see if the clocks go upto what you've set in your over clock.
     
  3. primetime^

    primetime^ Master Guru

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    GPU:
    Sapphire RX Vega 64
    yep normal power saving....now if it didnt reach full clocks when needed that would be an issue.
     
  4. Dego

    Dego New Member

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    I've found out why I can't overclock. I have a Benq XL2411 monitor. And I have 144hz refresh rate, if I select 120hz I can overclock no problem when I turn back to 144hz the problem is back.
     

  5. NightSt@lk3r

    NightSt@lk3r Guest

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    GPU:
    Gigabyte 7950 WF3
    Have a similar issue with my 7950 and multiple monitors, if i OC even 1mhz the idle clocks drop to 300/150 resulting in flickering/unstable desktop, they seem to have completely cocked up GCN1.0 cards in Crimson when using multiple monitors or 144hz monitors.
     

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