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    Replacing 4960X with 4820K on my Clevo P570WM

    Discussion in 'Sager/Clevo Reviews & Owners' Lounges' started by Arotished, Jul 22, 2014.

  1. Arotished

    Arotished Notebook Evangelist

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    Hi there

    I have come across a 4820K CPU and wonder if the OC potential is higher in this CPU compared to the 4960X I currenly have in my P570WM since its a Quad Core CPU and not a 6-Core like the 4960X. I run my 4960X at 4.3Ghz on stock voltage and it seems to survive normal playing and continuous game benchmarking but during Prime95 the temperature hits 96-98 degree pretty fast and the computer restarts. With Intel Stress Test is seems to survive alittle better before restarting.

    So, should a 4820K let me OC more then 4.3Ghz with with lower temperatures? TBH, I dont see the need for a 4960X in a laptop anyway....(but yet I bought it :p)
     
  2. Meaker@Sager

    Meaker@Sager Company Representative

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    Lower the voltage and run at 4.2ghz.

    Or sell the 4960x and get a 4930k, it should be more easy than a notebook CPU since they are desktop CPUs and there is a larger market.

    If you drop down to the 4820k there was not much point in getting a P570WM.
     
  3. Arotished

    Arotished Notebook Evangelist

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    How can I lower the voltage more then OEM? It seems that both in BIOS and XTU gives me 0 as the lowest voltage I can set it at which is 1.24 according to CPU-Z, and only gives me the option to add voltage....not lower it more then 0.

    Another thing, which games gives a good advantage having a 6 core CPU compared to a 4-core CPU?
     
  4. Meaker@Sager

    Meaker@Sager Company Representative

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    Figuring out what gives the benefit of a 6 core CPU is part of the buying process of the P570WM as otherwise the P377SM makes more sense for most people.

    It sounds like you have too little voltage for 4.3ghz being stable then since it's so low.
     
  5. Arotished

    Arotished Notebook Evangelist

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    I dont buy it that it needs more voltage because the colder I can keep my laptop during Intel XTU Stress Test, the longer it last before it shuts down. That sounds like an temperature issue to me.

    Anyway, to this day no one have shown me a screenshot of a 4930K/4960X (at 4.3+ Ghz) surviving Prime95/Intel XTU over a longer period so I guess its the same issue on all 6-core CPU's...thats why I wanna try with a 4-Core CPU and see if I can get 4.3Ghz without temperature issues. My Alienware with 3940XM can survive 1-2+ hours on Intel Stress Test at 4,5Ghz (1.25V) and the temperature is around 80 degree.

    PS: The P377xx model are not for sale in Norway.. The only 880M Sli Clevo laptop is the P375S and it comes with 4710QM CPU.....(blaa)
     
  6. Meaker@Sager

    Meaker@Sager Company Representative

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    Worth considering you can upgrade the CPU yourself in future and keep the original for warranty purposes. What happens at other frequencies?
     
  7. Ethrem

    Ethrem Notebook Prophet

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    You're expecting way more out of Haswell than you're going to get. It runs too damn hot to have the potential of Ivy Bridge especially in laptops. My desktop 4770K hits 80C under load @ 4.4GHz with an H100i and when put through OCCT will fail within about 10 minutes for passing 86C.

    Intel screwed up. Let's just hope Broadwell is better (doubtful)

    Sent from my HTC One_M8 using Tapatalk
     
  8. Arotished

    Arotished Notebook Evangelist

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    What do you mean upgrade it in future? I didnt plan to sell the 4960X if I changed it to a 4820K, just wanted to test and see how it went.

    Haswell? How said anything about Haswell? The 3940XM, 4820K and 4960X are all Ivy Brigde :)

    Anyway, my former 4770K did 4.5Ghz at 1.22V and during Prime95 the temperature was around 70 degree on a Kraken X60. I replaced it with a 4790K and at 4.7Ghz at 1.25 I see around 75 degrees during Prime95. Im pretty happy with Haswell :)
     
  9. Ethrem

    Ethrem Notebook Prophet

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    Ah yes, I totally spaced that those are Ivy Bridge chips. Carry on then. :)

    Lucky with the 4770k btw... My freaking 4770k needs 1.33v to stabilize at 4.4GHz and even then it will randomly freeze once in awhile, the best the chip can do is 4.2GHz @ 1.3v, its one horrible chip. I haven't gambled on the 4790k because the average still seems to be 4.4 with them, albeit at a lower temp.
     
  10. Meaker@Sager

    Meaker@Sager Company Representative

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    I meant when you said the 377 could only ship with the 47xx CPU.

    The 4930K is still the obvious choice, on lower threaded titles 4.3ghz is going to be stable no matter what and on higher threaded titles 6 cores and a lower frequency will be faster than 4 cores.

    Unless prime95 is the intended purpose of the laptop.