Dell 7570 gpu thermal limit

Discussion in 'Dell' started by WhataD, Feb 21, 2018.

  1. WhataD

    WhataD Notebook Enthusiast

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    Hi guys,
    I have just bought a brand new dell Inspiron 7570 and looking to online reviews i noticed that the worst thing on this machine is the thermal throttling on the gpu (940MX 4Gb DDR5) because it is limited to 70°C (by default the actual gpu limit is above 90s).
    I know this is some sort of bios limitations, so... anyone have figured out a solution for this problem ? or maybe Dell released some update ?
    Thank you all guys
     
    Last edited: Feb 21, 2018
  2. Moz@rt

    Moz@rt Notebook Enthusiast

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    I have the same problems. I don't know what to do. There is no VBIOS available for 9 and 10 series cards.
     
  3. Papusan

    Papusan JOKEBOOKS = That sucks! Dont wast your $ on FILTHY

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  4. nixliu

    nixliu Notebook Consultant

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    you can change thermal compound
     
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  5. WhataD

    WhataD Notebook Enthusiast

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    i have actually changed the thermal compound, but i maybe went wrong because i think i made a mistake removing a pad form the CPU... i have put an Artic Silver pad on top of the little chip right nea the "mainCPU".
    any suggestion on what to do on that heatsink ??(images below)

    https://ibb.co/gcgQCx
    https://ibb.co/kr5JXx
     
  6. nixliu

    nixliu Notebook Consultant

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    What compound are you using? Looks you put too much compound on it.
    70°C was limited by vbios, I did not see any modded vbios for this model.
     
  7. WhataD

    WhataD Notebook Enthusiast

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    yes you're right they are limited in the vBios so cannot do anything.
    I'm using thermal grizzly Kryonaut, i have read that is the best one you can put on laptop(except from liquid metal obviously). I have not reopened it yet, but i'm planning to reapply the thermal paste and maybe put a thinner thermal pad(0.5 mm) or maybe just put a lot of thermal paste so that the chip touches the heatsink.
    i have started another thread on this topic if you are interested.
    http://forum.notebookreview.com/threads/cooling-solution-suggestions.814576/
     
  8. franzerich

    franzerich Notebook Evangelist

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    Haven't seen this thread, but I had similar questions to this issue, which I just wrote in another thread. I'll just copy it in here:

    (Note, that I haven't got the Inspiron myself, but thought of purchasing it, until I read about this throttling issue)
     
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  9. WhataD

    WhataD Notebook Enthusiast

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    maybe it will help i think it is not a bad idea...
    I will try in these days some of the things that people have suggested and let you know how's going on
     
  10. franzerich

    franzerich Notebook Evangelist

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    Now I've also digged further through the Dell XPS forums and there are obviously some tricks to get "undervolting" for the GPU done. This is achieved by using MSI Afterburner and change the Clock/Voltage curve. Maybe it works also for the Inspiron?

    Damn this is almost science... Ok, what are the options all in all:

    - Manually repasting GPU and CPU with better thermal grease (I don't know which is recommended though)
    - Undervolt CPU with Intel XTU or Throttlestop (because CPU and GPU are on the same heatpipe, it's good if the CPU is cooler as well)
    - Undervolt GPU with MSI Afterburner via the Clock/Voltage curve editor
    - Using thermal pads between VRMs and bottom panel to dissipate more heat

    (Though, I'm not happy that one must go through such hassles. Also risks the warranty)
     
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