Warning: Some i7-6820HKs and i7-6700HQ have Uneven Core Temps due to Uneven Heatsink

Discussion in 'Hardware Components and Aftermarket Upgrades' started by iunlock, Oct 25, 2016.

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Does your 6820HK have cores that are 5c or higher than the others?

  1. Yes, I have a 6820HK that has 1 or more cores with a high temperature differential, greater than 5c.

    17 vote(s)
    10.2%
  2. Yes, I have a 6820HK that has 1 or more cores with a high temperature differential, greater than 10c

    24 vote(s)
    14.4%
  3. Yes, I have a 6820HK that has 1 or more cores with a high temperature differential, greater than 15c

    10 vote(s)
    6.0%
  4. Yes, I have a 6820HK that has 1 or more cores with a high temperature differential, greater than 20c

    24 vote(s)
    14.4%
  5. My 6820HK core temperatures are all tracking the same, with less than 5c difference.

    20 vote(s)
    12.0%
  6. Yes, I have a 6820HK where Core #3 (4th Core) is 10C cooler than the rest.

    1 vote(s)
    0.6%
  7. Yes, I have a 6700HQ that has 1 or more cores with a high temp differential, greater than 5c.

    17 vote(s)
    10.2%
  8. Yes, I have a 6700HQ that has 1 or more cores with a high temp differential, greater than 10c.

    16 vote(s)
    9.6%
  9. Yes, I have a 6700HQ that has 1 or more cores with a high temp differential, greater than 15c.

    10 vote(s)
    6.0%
  10. Yes, I have a 6700HQ that has 1 or more cores with a high temp differential, greater than 20c.

    11 vote(s)
    6.6%
  11. My 6700HQ core temperatures are all tracking the same, with less than 5c difference.

    15 vote(s)
    9.0%
  12. Yes, I have a 6700HQ where Core #3 (4th Core) is 10C cooler than the rest.

    3 vote(s)
    1.8%
  1. bhagavate

    bhagavate Newbie

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    dell 7577 same problem here. after disassemply i found what around 1/3 of cpu was without thermal coating at all. after change of coating temps go down from 100 celsius to 84. looks like major dell manufacture failure to me.https://imgur.com/a/Ei0oV
     
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  2. Maleko48

    Maleko48 Notebook Evangelist

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    Thanks for posting the image.
     
  3. rashid19961

    rashid19961 Notebook Enthusiast

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    @iunlock Thank you for writing this great guide i have question about the bending, after i bend the tension arm up, what screw size should i use, is it okay to use the same?
    @Maleko48
     
    Last edited: Jun 2, 2018
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  4. Maleko48

    Maleko48 Notebook Evangelist

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    I only own a 7577 fyi.

    But in general, don't use a longer screw (that risks penetrating the PCB or damaging surface components). I would use the stock screw (length) as long as you can make it work (ie. starting the threads without cross threading or requiring excessive pressure to make it catch and start).

    Someone with your specific model could probably tell you more accurately though.

    Got any pics of what you are looking at?
     
  5. rashid19961

    rashid19961 Notebook Enthusiast

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    @Maleko48 Unfortunately no as I have returned my 15 r3 for a refund because I will be getting the 17 r5 from HIDevoultion with a thermal grizzly, By the way, I am asking for the 17 r5, but does this model still have the CPU temp differential issue?
     
  6. rinneh

    rinneh Notebook Prophet

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    Use the same only, or else you go through your keyboard.
     
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  7. rashid19961

    rashid19961 Notebook Enthusiast

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    @rinneh @Maleko48 Thank You, Is this guide apply to 17 r5, As I have Already Purchased the machine from HIDEVOULTION
     
  8. rinneh

    rinneh Notebook Prophet

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    Tnhe r5 heatsink is a bit different so stuff like thermal pad thickness will be different.
     
  9. J888www

    J888www Notebook Enthusiast

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    Deleted because of arguments goinig nowhere
     
    Last edited: Sep 21, 2018
  10. User32

    User32 Notebook Deity

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    Not a gaymer laptop, but I have a ThinkPad P50 with a 6820HQ and it regularly hits 100c while playing GTA V.

    Is my heatsink and/or paste f'ed? Going to have the motherboard replaced later this month because of a charging issue and afterwards thinking of repasting it if it still runs too hot.

    EDIT: Here's a pic when I ran the ThrottleStop benchmark:
    [​IMG]
     
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