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    W860CU with 820QM issue

    Discussion in 'Sager and Clevo' started by Scan_Ferr, Dec 2, 2012.

  1. Scan_Ferr

    Scan_Ferr Notebook Consultant

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    Hello all!

    I own the Clevo of my sig since november 2010. I always found strange that when all cores are being used, each speed never goes beyong 1867MHz. Is this supposed to happen? I have been reading and I saw that it's supposed to be 2.0GHz. I run OCCT, Prime95 and all that and it's the same. Never goes beyond that point. Does this make any impact in performance? Is this even normal?
     
    Scan_Ferr, Dec 2, 2012
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  2. Support.3@XOTIC PC

    Support.3@XOTIC PC Company Representative

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    You could check your power options settings > advanced > Processor power management > Maximum processor state > and see if its at 100%
     
    Support.3@XOTIC PC, Dec 3, 2012
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  3. Prostar Computer

    Prostar Computer Company Representative

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    What is the native clock speed of the CPU and what is the turbo boost speed? It's meant to be approximate; you won't always see the kind of speeds that are advertised (this goes with any computer component).
     
    Prostar Computer, Dec 3, 2012
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  4. Meaker@Sager

    Meaker@Sager Company Representative

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    820QM = 1.73 GHz

    Turbo bins = 2/2/8/10 (x133mhz) for 4core/3core/2core/1core

    So the max you would see is 2ghz with 4 cores active.

    However the first gen core I series was notorious for not reaching maximum turbo amounts and hitting into their TDP limits. In a power hungry test like prime95 I would be glad of seeing any turbo.
     
    Meaker@Sager, Dec 3, 2012
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  5. Scan_Ferr

    Scan_Ferr Notebook Consultant

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    Yep, I used CC and Prime95 and I can't reach it. Neither with any games. Maybe it's that the problem?
     
    Scan_Ferr, Dec 3, 2012
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  6. Mike570U

    Mike570U Notebook Consultant

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    That is completely normal when all 4 cores are in use. 2.0GHz default with four cores was on i7-920XM.
     
    Mike570U, Dec 7, 2012
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  7. Chaosstorm

    Chaosstorm Notebook Consultant

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    If you want to see a speed increase I would go for a cheap i7 920xm I run it at 3.4ghz on 1 and 2 core turbo and 3 core is at 3.2ghz and 4 is 2.4ghz or 2.6ghz.
    I have a modified bios where I can increase TDP and TDC so at max load it consumes up to 72w instead of the 55w (and yours does only use 45w :p) so maybe you have to mod your cooling to run higher speeds.
    But you can also do it with Throttlestop in windows.

    Offtopic: I have once run a 3dmark vantage with the 4 core turbo at 3.46ghz and got 20k score on cpu alone, and power usage went over 82watts lol
     
    Chaosstorm, Dec 8, 2012
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  8. b0b1man

    b0b1man Notebook Deity

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    Use ThrottleStop and set multiplier to Turbo for the best turbo boost experience.
    Works like a charm.
    My w370et is designed to throttle the CPU when the GPU is in turbo, but with turbo boost I can make both of them run at their rated turbo speeds.

    http://s18.postimage.org/5v96ar98p/Turbo_W370_ET_Dual_GPU.png
     
    b0b1man, Dec 8, 2012
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  9. Meaker@Sager

    Meaker@Sager Company Representative

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    Yes the original i7s need help clocking up properly, it's not your machine in particular.
     
    Meaker@Sager, Dec 8, 2012
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