Surface Book 2 throttles excessively, often down to 0.4 GHz

Anonymous
2018-05-30T14:41:18+00:00

I've recently purchased a 15" Surface Book 2.

When compiling large projects in Visual Studio 2017, I find that the processor often throttles excessively, often down to 0.4 GHz. As a result, compilation takes several times longer than it does on my 5 year old MacBook Pro. 

The Core Temp app shows that the CPU at this point is at 50-55 degrees Celcius or so.

The following question touched upon this problem, but the proposed solution did not work for me:

https://answers.microsoft.com/en-us/windows/forum/windows\_10-performance-winpc/cpu-clock-speed-sometimes-capped-at-04ghz/315d06ac-a40a-41f8-8314-b370f8b51618

Any ideas on how to fix this?

Thanks.

T

Surface | Surface Book | Power and battery

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  1. Anonymous
    2018-08-18T11:47:16+00:00

    Yes i heard that too on reddit, the guy said that he needs to improve the tool and then we will put it on github

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  2. Anonymous
    2018-08-18T11:44:40+00:00

    I heard about someone doing such a thing, not released yet though, I don't have the link to it, but I recall it being on Reddit a few days ago

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  3. Anonymous
    2018-08-18T11:42:01+00:00

    I just uninstalled Avast and the problem is still here :) i guess the only thing we can do is wait or make a program to change the power slider every 10 seconds

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  4. Anonymous
    2018-08-18T11:18:36+00:00

    Hi,

    Gaming was where i had this issue. Things were fine otherwise. Without the antivirus it seems to be working well.

    Give it a shot and see. 

    Do update it here :)

    Regards

    Razik

    Antivirus or not, this shouldn't be okay to be fair, but I get your point. I have tried multiple setup configurations, including a windows (and MS services) only boot, and the problem persisted. 

    The underlying issue is software agnostic, and the working theories are at the moment:

    a) The surface book 2 cannot adequately cool itself when the room is >25C in temperature. (no matter the workload big or small)

    b) a sensor is malfunctioning, calibrated incorrectly or just plain bad quality.

    c) the Surface Engineers decided on a too aggressive throttle profile or a too weak fan curve.

    d) a bug in the firmware or somewhere in the OS/drivers

    until the people that have the ability to fix this, knows that it is an issue as a result of the summer weather we see (at least in Europe), there wont be happening much, and we have no way to get this in front of them except going through Microsoft Support. The only way to get that attention to have it escalated is with sheer volume and frequency. Either that, or media spotlight from any of the YouTube personalities, but that might not happen unless people frequently tell them as well.

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  5. Anonymous
    2018-08-18T11:08:12+00:00

    I sent the link to this topic to the microsoft support chat and another link from reddit, let's see

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