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OC HD5770 vs. OC HD6850

Discussion in 'AMD / ATI' started by SonDa5, Oct 27, 2010.

  1. SonDa5

    SonDa5

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    Only cards I could compare.:D I'm sure those of you with HD5770s wonder how these two cards compare in an over clocked system.

    I want to eventually OC the 6850 to at least 1GHZ on the core. Limited voltage control software right now.

    System

    DFI X58 JR with I7-930@4.2 GHZ
    6 GB of G. Skill DDR3 PC3 12800

    Cards

    Single Sapphire HD5770 flashed to ASUS TOP HD5770

    [​IMG]

    Single XFX HD6850

    [​IMG]

    Flat view
    [​IMG]

    Side View
    [​IMG]



    Synthetic Benchmarks

    Driver 10.10c, Heaven, Vantage P, 3dMark2006


    HD5770

    [​IMG]



    HD6850

    [​IMG]



    I'm sure I'll be able to hit 1GHZ on the core of the HD6850 as soon as some voltage control and higher clocks become possible with MSI Afterburner or SaphireTech Trix.
     
    Kei and yogurt_21 say thanks.
  2. Delta6326

    Delta6326

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    Very cool. The 6850 smacks the 5770 oc
     
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  3. SonDa5

    SonDa5

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    I hacked around with the settings in the config file of MSI Afterburner to unlock the clocks.

    Able to get 1GHZ on core of HD6850.

    http://www.techpowerup.com/gpuz/g4hyd/

    [​IMG]

    Still need voltage control to get everything fast and smooth.
     
  4. yogurt_21

    yogurt_21

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    nice little comparison.
     
    SonDa5 says thanks.
  5. SonDa5

    SonDa5

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    1GHZ Synthetic Benchmarks are in!!
    :toast:


    Extremely impressed witnessing the HD6850 stable at 1GHZ/50000mhz on stock voltage.

    :cool:

    [​IMG]
     
  6. Charly New Member

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    Very nice
     
  7. OneDown New Member

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    Nice!! Im looking to get one of these for my new build so its good to know theyve got a good bit of potential in them.
     
  8. overclocking101

    overclocking101

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    looks like from the gpu-z window the 6850 is slightly better then my gtx-280 not by much so maybe an upgrade is in my horizon
     
  9. SonDa5

    SonDa5

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    Last edited: Nov 1, 2010
  10. erocker

    erocker Super Moderator Staff Member

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    Is your CPU overclocked for the HAWX benchmark?
     
  11. SonDa5

    SonDa5

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    Oh Yeah! :rockout:

    4.2GHZ on the i7-930

    The Hawx2 bench mark doesn't pick it up.
     
  12. Madstrike New Member

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    Id like to see the comparison of a 6850 oc to 1ghz with a 460 oc(to lets say 900)
     
  13. jagd

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    not a surprise while vsync is ON :nutkick:
     
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  14. SonDa5

    SonDa5

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    :banghead:

    It's on by default I'll have to turn it off and run again.
     
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  15. Zubasa

    Zubasa

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    With 32 vs 16 ROPs that is pretty much a given :laugh:
     
  16. Blacklash New Member

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  17. tdbone1

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    you got something SEVERELY WRONG with those numbers for the 5770 flashed to the asus bios.

    with my single 5770 with the stock xfx bios 850/1200 i get the same numbers you get for the 6850.



    my crossfire 5770`s
     
  18. SonDa5

    SonDa5

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    My settings for Heaven Benchmark have 8xAA enabled.

    That makes a big difference.
     
    Last edited: Nov 13, 2010

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