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APU throttling for no reason

Discussion in 'Hardware' started by Donyay, Jan 26, 2017.

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  1. Donyay

    Donyay Thread Starter

    Jan 26, 2017
    Rx 480, undervolted to stop throtting at high temps.
    A8 A8 6600k

    I have an amd apu that refuses to stay at a set clock speed while gaming, even if I'm using my discrete gpu the apu will throttle. Ill get an average 300-360 fps in csgo low settings then when something intensive happens it drops to as low 40 with a huge lag spike making it unplayable.
    Settings in game dont effect these lag spikes, but do effect average fps.
    Using the cpuz app I see my core speed and apu mulltiplier doesn't change until I get those lag spikes and they both drop signifigantly. (The multiplier goes from 42 to either 19 or 32 usually)
    Ive disabled every power saving option in the bios and control center options have been set to max performance. Amd power now is off and I don't have cool and quiet as an option. I've updated drivers an bios.
    Also my cpu is locked in offset mode, idk if that would have anything to do with it. (I have messed with its settings an got no change in performance)
  2. flavallee

    flavallee Trusted Advisor

    May 12, 2002
    First Name:
    The AMD A8-6600K APU processor and AMD Radeon RX 480 graphic card in your gaming rig use a combined total of 250W of power.
    cpu.JPG gpu.JPG

    You didn't provide the brand name and model number of that 450W power supply, so we don't know at this point if it's a quality one.
    Even if it is, your gaming rig probably needs one with more wattage.

    I'm not a gamer nor an over-clocker, so someone else here who is can address those issues.

  3. Donyay

    Donyay Thread Starter

    Jan 26, 2017
    Update: pretty sure it's an over heating problem. Thermal margin drops to 8 under load causing usage to drop to 50%
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