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Haswell build getting hot

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  • 15-07-2015 9:29pm
    #1
    MarkAnthony
    Closed Accounts Posts: 6,934 ✭✭✭


    So I've moved to a 4790K after the ASUS Z77 sabertooth quit on me. I'd done another Haswell build for a mate and I'm getting the same problem - 90C + on prime95.

    Now his was a stock heat sink that I probably cocked up the thermal pad on - keep meaning to replace it but he's got trouble free operation in games etc and isn't a K-Part.

    What is going on with me though?! I've a full custom watercooling loop that was working fine on the 3570K I had before. Any ideas? Antec Formula 6 paste used although it's probably a little old.


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    #2
    5uspect
    Moderators, Arts Moderators Posts: 10,518 Mod ✭✭✭✭5uspect


    How are you applying the paste? In general less is more as you're only really filling in the gaps in the interface. Thermal paste has a not insignificant thermal resistance. Applying too much can actually hinder heat transfer.


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    #3
    MarkAnthony
    Closed Accounts Posts: 6,934 ✭✭✭MarkAnthony


    5uspect wrote: »
    How are you applying the paste? In general less is more as you're only really filling in the gaps in the interface. Thermal paste has a not insignificant thermal resistance. Applying too much can actually hinder heat transfer.

    Little line about 25% the length of the CPU, very little paste being used.


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    #4
    game4it70
    Registered Users Posts: 2,125 ✭✭✭game4it70


    Do not use prime 95 to test Haswell as it uses AVX instructions.Basically it will bring any Haswell to its knees temps wise.

    Test with games/video encoding or something like Aida 64.
    Intel burn test is good too.

    After tying different tests if temps are still that high re-seat and reapply the paste.


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    #5
    MarkAnthony
    Closed Accounts Posts: 6,934 ✭✭✭MarkAnthony


    Trying with the XTU - seems alot happier! Prime95 was what I was using for my mates build as well so a bit happier there now too! Phew!


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    #6
    dwighet
    Registered Users Posts: 2,399 ✭✭✭dwighet


    I use this asus real bench stress test
    http://rog.asus.com/275272013/overclocking/realbench-benchmarking-stress-test-insights/


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