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A8-3870k with Evo 212 temps

Discussion in 'Overclocking & Cooling' started by dreamslides, Aug 23, 2012.

  1. dreamslides New Member

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    Hey I'm trying to detemine if this makes any damn sense to you guys?

    I didn't try the stock cooler but I did pickup an N520 and a Evo 212 trying the N520 first at vcore 1.4125 gave me like 60C full loads CPU only. So I thought the Evo would be better, and it is at lower vcore but at this vcore it still exceeds 60c and what was more annoying I came home after 12 hours burn-in test with Prime95+Furmark and saw a temp of 70C! I have this rigged to shutdown at that temp but it never exeeded this so I guess it didn't shut off.

    I find this extremely odd temps for the APU, what was the stock cooler supposed to do then?

    So anyways I've been experimenting undervolting the APU because I know from my laptop you can do this and maintain stability, I went from 1.4125 to 1.2875 and the max temp is now 45C under full load, but that seems pretty high for such a low voltage.

    I've mounted this many times, seemed to only make a slight different remounting it and adding a little more TIM.

    Could a bad PSU give these results? I just cannot believe an aftermarket cooler is giving these sorta of temps on stock vcore of 1.4125

    Give me your opinions?

    Here's some testing I've done also using K10stat, I mean what in gods name aftermarket cooler would keep this thing below 50C at full load at 1.4125?

    Alright bye

    3000 FID 14 DID 0 CPU Voltage 1.1875 Passed 20 Hours Prime95 in Blend + FurMark

    3600 FID 20 DID 0 CPU Voltage 1.4125 Failure
    3600 FID 20 DID 0 CPU Voltage 1.4250 Failure
    3600 FID 20 DID 0 CPU Voltage 1.4375 Failure
    3600 FID 20 DID 0 CPU Voltage 1.4500 Failure
    3600 FID 20 DID 0 CPU Voltage 1.4625 Failure
    3600 FID 20 DID 0 CPU Voltage 1.4750 Unknown - Exceeds 64C (Do not use)


    3500 FID 19 DID 0 CPU Voltage 1.3750 Failure
    3500 FID 19 DID 0 CPU Voltage 1.3875 Failure - Exceeds 60C (Do not use)

    3400 FID 18 DID 0 CPU Voltage 1.2000 Failure
    3400 FID 18 DID 0 CPU Voltage 1.2125 Failure
    3400 FID 18 DID 0 CPU Voltage 1.2250 Failure
    3400 FID 18 DID 0 CPU Voltage 1.2250 Failure
    3400 FID 18 DID 0 CPU Voltage 1.2375 Failure
    3400 FID 18 DID 0 CPU Voltage 1.2500 Failure
    3400 FID 18 DID 0 CPU Voltage 1.2625 Failure
    3400 FID 18 DID 0 CPU Voltage 1.2750 Failure
    3400 FID 18 DID 0 CPU Voltage 1.2750 Failure
    3400 FID 18 DID 0 CPU Voltage 1.2875 Failure
    3400 FID 18 DID 0 CPU Voltage 1.3000 Failure
    3400 FID 18 DID 0 CPU Voltage 1.3125 Failure
    3400 FID 18 DID 0 CPU Voltage 1.3250 Failure
    3400 FID 18 DID 0 CPU Voltage 1.3375 Failure
    3400 FID 18 DID 0 CPU Voltage 1.3500 Failure
    3400 FID 18 DID 0 CPU Voltage 1.3625 Failure - Exceeds 60C (Do not use)

    3300 FID 17 DID 0 CPU Voltage 1.1875 Failure
    3300 FID 17 DID 0 CPU Voltage 1.2000 Failure
    3300 FID 17 DID 0 CPU Voltage 1.2125 Failure
    3300 FID 17 DID 0 CPU Voltage 1.2125 Failure
    3300 FID 17 DID 0 CPU Voltage 1.2250 Failure
    3300 FID 17 DID 0 CPU Voltage 1.2375 Failure
    3300 FID 17 DID 0 CPU Voltage 1.2500 Failure
    3300 FID 17 DID 0 CPU Voltage 1.2625 Failure
    3300 FID 17 DID 0 CPU Voltage 1.2750 Failure
    3300 FID 17 DID 0 CPU Voltage 1.2875 Stable


    The testing was done above but whenever I saw it go above 60C I'd stop testing but yea those would've easily exceeded 70C since 1.4125 does after 12 hours.

    I've seen NO ONE get these temps on this APU, anywhere, all claim insane temps like 50C full load with stock cooler or some nonsense, HOW?

    Anyways how about a thermaltake 2.0 water cooling system? I just want these load temps normal at 1.4125 around 50C wth

    I did open the case to see if it was an airflow issue, there was a 2C drop but other than that nothing changed. I should've gone Intel grr

    One thing I did was upgrade the N520's fans to Artic Cooling PWM fans and this produced temps of 47C at 1.4125 so I bought 2 for the Evo 212 and will try those, but I didn't run it 12 hours yet so I've no idea if it would've kept this temp after such a long time.
     
    Last edited: Aug 23, 2012
  2. OneMoar

    OneMoar

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    Considering your voltage and what cooler you are using those temps are to be expected 1.4125 is a whole lotta voltage bottom line get a better cooler
    remember prime95 does NOT stress the gpu at all so expect to add another 20c to those temps when you are stressing the gpu-core AMD specs max temp as 72c they been known to hit 70c on the stock cooler so nothing here surprises me
    the n520 how ever should be keeping it a little cooler then that how warm is your room if its warmer then 75F then thats what your issue is
     
  3. dreamslides New Member

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    Well I'm testing this all out right now, I'll post temps once I get the new Artic Cooling 120mm fans and put those on the Evo, if that stock voltage gives me such high temps with an Evo 212 wtf was the original heatsink that came with the A8-3870k going to give me?!
     
  4. OneMoar

    OneMoar

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    Probly 60-70c @ stock speed try and keep the voltage below 1.38v
     
  5. TRWOV

    TRWOV

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    Keep in mind that the N520 comes in a push-pull config by default. Put another 120mm fan on the 212 and you'll likely see it outperform the N520.
     
    Crunching for Team TPU
  6. dreamslides New Member

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    Well that's what I'm hoping, however I can try both once I get the new Artic Cooling fans for the Evo. I'll choose 1 cooler, I was thinking for what I've spent I could've paid more and gotten an Intel mobo and then just paid a few hundred more for an Intel processor that's more energy efficient with a lower vcore etc. lol Oh well I'll see what I decide.
     

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