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Thread: Diamond 4870x2 Futuremark Overclock Testing

  1. #1
    X.I.P guess2098's Avatar
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    Diamond 4870x2 Futuremark Overclock Testing

    Diamond 4870x2 Overclock Testing



    FRONT and BACK, looks like a 3870x2 but with black PCB



    Without heatsink, layout of the black PCB



    RV770 chip, no different between 4870 and 4850



    PLX CF bridge chipset



    hynix GDDR5 32x32. this is rev 2 4870x2. the rev 1 4870x2 is using Qimada GDDR5




    Testing Hardware Setup

    CPU: Intel QX9650 ~ 4.45G
    Motherboard: Asus X48 Rampage Formula
    Memory: G.SKILL F2-9600CL5D-4GBPI.........REVIEW
    Video Card: Diamond HD4870x2 850/1000 bios mod 1.45v
    Power: TT 1200W
    Hard Drive: G.SKILL SATA2 32GB SSD



    Testing Software Setup


    3Dmark2001
    3Dmark03
    3Dmark05

    3Dmark06
    Windows Vista 32bit Vantage






















    Last edited by guess2098; 07-24-2008 at 10:22 AM.

  2. #2
    Xtreme Enthusiast AriciU's Avatar
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    Nice results. Right on par with 2 x 4870's CF'ed.

    There is something wrong with 3dMark03 though. I remember testing about 2 weeks ago with 8.6 hotfix i think @ 4ghz and getting around ~95000 with the 4870's at stock speeds. Now i'm getting like you are, 85k @ 790/1100 @ 4500Mhz. Don't know what caused this massive drop, tried all drivers again, same score

    Here's a screen (not my run) to prove my point. I was getting simillar results and something made it drop by 10k. Bet you would get the same if we figure out what's causing it.

    Last edited by AriciU; 07-23-2008 at 11:38 PM.
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  3. #3
    Xtreme Member fubarswe's Avatar
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    Nice start.., sweet card! Congrats to having one! :-)

  4. #4
    Xtreme X.I.P. elmor's Avatar
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    Looking good

    Can you tell us what this IC says so we can get some vmods?

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  5. #5
    Wanna look under my kilt? K404's Avatar
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    Are the clockspeeds being mis-read by GPU-Z? Actual clocks are lower than default?

    The scores look pretty good! Can you cinfirm those runs were at default GPU speed Denny?
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  6. #6
    Xtreme Member scooter.jay's Avatar
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    Looks sweet and some good scores but how much will the over price crew in the uk slap on this? Still looks like a good card.

  7. #7
    OCTeamDenmark Founder Nosfer@tu's Avatar
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    Quote Originally Posted by elmor View Post
    Looking good

    Can you tell us what this IC says so we can get some vmods?
    yes we need Vmods
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  8. #8
    Xtreme X.I.P. SIOUX's Avatar
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    Looks good Denny
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  9. #9
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    Looking good, sweet job...

    Looking forward to further updates,
    Keep pushing it.

  10. #10
    Xtreme Mentor Lightman's Avatar
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    Denny what do you mean by
    Video Card: Diamond HD4870x2 850/1000 bios mod 1.45v.........REVIEW
    ????

    Is this also possible with HD4870 (non X2)??
    Last edited by Lightman; 07-24-2008 at 09:52 AM.
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  11. #11
    X.I.P guess2098's Avatar
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    Quote Originally Posted by Lightman View Post
    Danny what do you mean by ????

    Is this also possible with HD4870 (non X2)??
    4870 i can only make it run about 1.3v using bios mod. haven't test the new method of bios mod; which i did on x2 this time; on 4870.

  12. #12
    Xtreme Mentor hiwa's Avatar
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    rock 03,05,06 waiting for retail cards


    thanks for sharing info
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  13. #13
    X.I.P guess2098's Avatar
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    i have no idea but 95k on 03 air is really crazy tho...

    Quote Originally Posted by AriciU View Post
    Nice results. Right on par with 2 x 4870's CF'ed.

    There is something wrong with 3dMark03 though. I remember testing about 2 weeks ago with 8.6 hotfix i think @ 4ghz and getting around ~95000 with the 4870's at stock speeds. Now i'm getting like you are, 85k @ 790/1100 @ 4500Mhz. Don't know what caused this massive drop, tried all drivers again, same score

    Here's a screen (not my run) to prove my point. I was getting simillar results and something made it drop by 10k. Bet you would get the same if we figure out what's causing it.


  14. #14
    Xtreme Mentor systemviper's Avatar
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    can't wait for the retail release,

  15. #15
    Xtreme Member qballe's Avatar
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    tnx for share

  16. #16
    Xtreme Mentor AliG's Avatar
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    Quote Originally Posted by guess2098 View Post
    4870 i can only make it run about 1.3v using bios mod. haven't test the new method of bios mod; which i did on x2 this time; on 4870.
    what new method would that be? If that works that would be very beneficial for the rest of us. Do you know by any chance if the bios has built in over-volt protection or if CCC is preventing us from going above 1.23 v and 1.3 v for the 4850 and 4870?

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  17. #17
    I am Xtreme disruptfam's Avatar
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    wow !!! i can't wait to get 2 of these!!
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  18. #18
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    What kind of power supply will be required to power that kind of baby
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  19. #19
    Xtreme Addict Chickenfeed's Avatar
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    I'd wagger a 750+ in a overclocked quad system and 600+ in a dual core system ( perhaps only stock though ) I've ran 2 8800GTS with a Q6600 @ 3.6 on a 600 for a couple months.
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  20. #20
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    [H] ran 2 x 4870x2's with a 800W PSU so I bet a good 750 is enough

  21. #21
    Xtreme Addict twwen2's Avatar
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    Quote Originally Posted by AliG View Post
    what new method would that be? If that works that would be very beneficial for the rest of us. Do you know by any chance if the bios has built in over-volt protection or if CCC is preventing us from going above 1.23 v and 1.3 v for the 4850 and 4870?
    +1 I'm curious now. This would be interestin to say the least.

  22. #22
    Registered User dennismagic's Avatar
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    Quote Originally Posted by guess2098 View Post
    4870 i can only make it run about 1.3v using bios mod. haven't test the new method of bios mod; which i did on x2 this time; on 4870.
    This is a good news that bios Vol mod(1.3V) is possible now on 4870
    Hope you can share your modded bios with us
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  23. #23
    Xtreme Enthusiast Astennu's Avatar
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    The HD4870 uses 1.27 stock. So that bump to 1.3 is not a mayor boost.

    @Guess2098 thanks for sharing your scores !!
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  24. #24
    Xtreme X.I.P Pt1t's Avatar
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    Quote Originally Posted by guess2098 View Post
    i have no idea but 95k on 03 air is really crazy tho...
    could you run 2k3 to 850/1100 with cpu to 4ghz ?

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  25. #25
    Xtreme Enthusiast EXPANDER's Avatar
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    2X 4870 CF 3dmark2006 Score : 22200
    SM3.0 Score 11k
    [/b]




    3DMARK2005 SCORE: 25578



    3DMARK2003 SCORE: 94334

    Liquid Nitrogen -196c
    THE POWER

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