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Thread: Home made 3-Way SLI results

  1. #1
    Xtreme Legend Sampsa's Avatar
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    Home made 3-Way SLI results

    Hi everyone,

    Since NVIDIA's European PR department is not very interested of Nordic hardware sites (or overclockers) we naturally didn't get any chance to test 3-Way SLI system or even got hold of the 3-Way SLI bridge (not to mention lack of nForce 780i SLI samples etc). This situation has been continuing already over a years for us with every NVIDIA product launch

    Anyway, since there was no support from NVIDIA, I had to make my own GHETTO-STYLE 3-Way SLI configuration:



    First I checked my SLI-bridge situation... it was good with different length of bridges.





    Next I installed bridges to three GeForce 8800 Ultras on EVGA nForce 680i SLI board. (One of the boards was Leadtek's watercooled Leviathan so I mounted 8800 GTX cooler on it).


    Using Windows Vista, ForceWare 169.25 beta-drivers, Intel Core 2 Extreme QX6850 and Silverstone OP-1200W PSU I managed to get 3-Way SLI working properly



    3DMark03 score with Single GeForce 8800 Ultra: 42273



    3DMark03 score with two GeForce 8800 Ultras in SLI: 63061 (+49% compared to single card result)



    3DMark03 score with three GeForce 8800 Ultras in 3-Way SLI: 72614 (+71% compared to single card result and +15% compared to SLI result)



    I'll continue my testing during the weekend. Since I don't have nF780i SLI board I'll have to stick with QX6850 and nF680i SLI
    Last edited by Sampsa; 12-14-2007 at 07:39 AM.
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  3. #3
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    Nice looking good so far ,,, But The more cards you use the slower the GT1

  4. #4
    Registered User Soakki's Avatar
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    nice pictures!

    In my opinion 3-Way SLI with 8800 Ultra's isn't anywhere near ghetto-style :-D

  5. #5
    Xtreme Member Mauri Antero's Avatar
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    Niceone Sampsa

  6. #6
    Champion ZoLKoRn's Avatar
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    Ahh looking good is seen it have real performance after 3way-SLI

    nice Sampsa

    btw. ah can overclock GFX on 3 SLI ? Thanks
    Last edited by ZoLKoRn; 12-14-2007 at 08:33 AM.
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    Guys in case you din't notice but GT3 is overhoaling GT4 LOL???

  8. #8
    Nice Hardware!!! SF3D's Avatar
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    Quote Originally Posted by BeardyMan View Post
    Guys in case you din't notice but GT3 is overhoaling GT4 LOL???
    What's wrong with that. It's normal in 03??

    Nice going there Sampsa Waiting those OC results.
    You are as good as your samples are!

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    Quote Originally Posted by SF3D View Post
    What's wrong with that. It's normal in 03??

    Nice going there Sampsa Waiting those OC results.
    normal ? dunno


  10. #10
    Nice Hardware!!! SF3D's Avatar
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    Quote Originally Posted by BeardyMan View Post
    normal ? dunno
    With Nvidia cards GT3 is better than GT4

    Top CF results are like newbeetles 89K result. CF is more effective in DX9 I quess and that's why Nature is better than GT3.
    You are as good as your samples are!

  11. #11
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    Quote Originally Posted by SF3D View Post
    With Nvidia cards GT3 is better than GT4

    Top CF results are like newbeetles 89K result. CF is more effective in DX9 I quess and that's why Nature is better than GT3.
    could be yes
    that's why i asked

  12. #12
    Xtreme Addict SamHughe's Avatar
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    Quote Originally Posted by BeardyMan View Post
    normal ? dunno
    See and that's why Sampsa should include some real world gaming results like Crysis, CoD4 etc. Cause SLIed ultras normally perform better than CFed 2900s in games.

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    Man 3GHz 72k is nice
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    Xtreme Enthusiast NH|Delph1's Avatar
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    Nice one sampsa

    The home made bridge really makes it all worthwhile.

    And by the way, XFX has an office in Sweden now. I'll pass their info on to you.

    //Andreas

  15. #15
    Xtreme Legend Sampsa's Avatar
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    Stock cooling overclocking:



    3DMark03: 82531

    QX6580 @ 3,6 GHz
    Ultras 650/1150

    More coming
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    Xtreme Addict blind_ripper's Avatar
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    now thats really geto

  17. #17
    Xtreme Legend Sampsa's Avatar
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    CPU @ 4,7 GHz should give ~100k..
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    Champion over@locker886's Avatar
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    Nice results Sampsa! What mobo?
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    Master of nebulah frost nachthymnen's Avatar
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    That's super!
    Fantastic work Sampsa!
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  20. #20
    Xtreme Legend Sampsa's Avatar
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    Quote Originally Posted by over@locker886 View Post
    Nice results Sampsa! What mobo?
    EVGA nForce680i SLI
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    Xtreme Addict RAW-Raptor22's Avatar
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    Works on 680i? Sweetness.
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    Xtreme Enthusiast Mean Machine's Avatar
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    Nice going, Sampsa.
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    Great!
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    The fact that they limited this to only GTX's/Ultras is gonna KILL the appeal of 3 way SLi. They could easily produce a bridge that has a middle connector for the 8800's that dont have 2 SLi conections on each card. They NEED to do this.
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  25. #25
    Xtreme Legend Sampsa's Avatar
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    Quote Originally Posted by AC3421 View Post
    The fact that they limited this to only GTX's/Ultras is gonna KILL the appeal of 3 way SLi. They could easily produce a bridge that has a middle connector for the 8800's that dont have 2 SLi conections on each card. They NEED to do this.
    Maybe it is a bandwidth issue? Maybe later? Anyway, I think GeForce 8800 GT 3-Way SLI configuration would be very attractive
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