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Thread: 4870 Overclocking Thread

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  1. #1
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    been away for a couple of days... i would suggest that 4870 owners run there cards gddr5 at 1040mhz... i know for certain that these speeds are fine as both of my cards respond indentically....
    my cards are from HIS...
    we should be able to unlock the cores with the new oc bios from diamond, i'm just looking forward to this now....

    @willhub... lower your gddr5 to 1000 and try to oc your core again....

    @snipedog... i would love to know how high your clocks will go with FurMark...
    Last edited by purecain; 07-11-2008 at 04:56 AM.

  2. #2
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    Quote Originally Posted by purecain View Post
    been away for a couple of days... i would suggest that 4870 owners run there cards gddr5 at 1040mhz... i know for certain that these speeds are fine as both of my cards respond indentically....
    my cards are from HIS...
    we should be able to unlock the cores with the new oc bios from diamond, i'm just looking forward to this now....

    @willhub... lower your gddr5 to 1000 and try to oc your core again....

    @snipedog... i would love to know how high your clocks will go with FurMark...
    I did try 1000, did not help.

  3. #3
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    @ Sniipe, I see you cut the stock cooler to still have the fan blowing on the mem (excellent idea btw). Do you have any temps with the half cut stock fan off the card? Just curious about it's necessity/temps/noise.
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  5. #5
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    Quote Originally Posted by diablos View Post


    Have you voltmodded it?

    Also is there a fps cap on aquamark as I cant get above 180fps no matter what I do.

  6. #6
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    Quote Originally Posted by Willhub View Post
    Have you voltmodded it?

    Also is there a fps cap on aquamark as I cant get above 180fps no matter what I do.
    you probably have a dud clocker. overclocking is a gamble and not all cards will reach high speeds.

    its possible temps are holding you back since you are on the stock cooler still.
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  7. #7
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    Quote Originally Posted by Willhub View Post
    Have you voltmodded it?

    Also is there a fps cap on aquamark as I cant get above 180fps no matter what I do.
    no mod

  8. #8
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    I want to mod the bios, get the fan fixed and up the voltage, dont think the stock cooler iwll be a problem, it idles at 64 degrees with the fan silent and at 35% fan its fine too as I have the side of the case off. Thinking of getting an S1 but I know temps are not holding it back as of yet.


    Dont know if stable yet but ran a benchmark at 810/900 and it compleated 3 loops of crysis, same as 820/900.

    Ok compleated 10 loops of crysis benchmark at 820/900, 825 did not even last 10 seconds so it needs more voltage, wth ram overclock max is 790/1050.
    Last edited by Willhub; 07-12-2008 at 04:32 AM.

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