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    Mobility 5850 OC to stock 5870

    Discussion in 'MSI' started by HeardEmSay, May 29, 2010.

  1. HeardEmSay

    HeardEmSay Notebook Evangelist

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    Is an oc'd 5850 comparable if not same to a mobility 5870? both to 700mhz

    I asked this a few times nobody really knew, now that people actually have the gx740 wanted to see.
     
    HeardEmSay, May 29, 2010
    #1
  2. ugaboga313

    ugaboga313 Notebook Consultant

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    They have all the same other specs (assuming its the gddr5 version, which I think everyone has) so it should be equal.
     
    ugaboga313, May 29, 2010
    #2
  3. NotEnoughMinerals

    NotEnoughMinerals Notebook Deity

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    You've got to dig deep into your threads to find the answer haha

    Several of us have OC'd to 5870 clocks and we get vantage scores that are equal to that of the 5870 so I would say yes, that can be made equal. It's just whether you think the chassis can dissipate the extra heat.
     
    NotEnoughMinerals, May 29, 2010
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  4. Ghola

    Ghola Notebook Evangelist

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    do you have a compare 06 link?
    http://service.futuremark.com/compare?3dm06=13981018
    we can see the diff
     
    Ghola, May 29, 2010
    #4
  5. NotEnoughMinerals

    NotEnoughMinerals Notebook Deity

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    I don't have one, I'd run the test for you but right now I'm at school with no AC and things are been humid and hot lately. Would prefer not to do any OC'ing in this environment.

    Maybe ask kosti he's been OC-ing quite a bit
     
    NotEnoughMinerals, May 29, 2010
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  6. kosti

    kosti Notebook Virtuoso

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    They are very comparable when OC'd. I OC'd mine to 700/1000 and got P7623 in Vantage. A GX740 with the 5870 and an i5-430m scored P7719 according to notebookcheck.com:

    Notebookcheck: ATI Mobility Radeon HD 5870
     
    kosti, May 30, 2010
    #6
  7. fzhfzh

    fzhfzh Notebook Deity

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    Yes, it's comparable to a 5870MR when OCed, though a 5870MR at stock clock. 5870MR will still OC better and get easily 900/1100 though.
     
    fzhfzh, May 30, 2010
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  8. lackofcheese

    lackofcheese Notebook Virtuoso

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    There isn't enough information on 5850 overclocking yet, so you're making a lot of assumptions there.

    From what I've seen, everyone who has tried has run the 5850 @ 700/1000 with no trouble, but no-one has really tried to see how far it will go.
     
    lackofcheese, May 30, 2010
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  9. catacylsm

    catacylsm Notebook Prophet

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    Didn't gentek have a go on their forum?

    I cant remember but im sure someone took it a bit further then the norm.
     
    catacylsm, May 30, 2010
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  10. kosti

    kosti Notebook Virtuoso

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    I've gone 750/1100. It seems very stable. I've played Crysis Warhead on these clocks for a good 4 hours. I also get a Vantage score of 8019 with the OC.
     
    kosti, May 30, 2010
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  11. lackofcheese

    lackofcheese Notebook Virtuoso

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    What's the GPU score?
     
    lackofcheese, May 30, 2010
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  12. kosti

    kosti Notebook Virtuoso

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    kosti, May 30, 2010
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  13. lackofcheese

    lackofcheese Notebook Virtuoso

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    That's more like it; 8019 seemed low.
     
    lackofcheese, May 30, 2010
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  14. kosti

    kosti Notebook Virtuoso

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    Actually, the 8019 was with the original vbios, scores went up with the beta.
     
    kosti, May 30, 2010
    #14