Left 4 Dead VGA performance with 23 graphics cards Guru3D

Discussion in 'Frontpage news' started by Guru3D News, Dec 1, 2008.

  1. Guru3D News

    Guru3D News Ancient Guru

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    Left 4 Dead is a game about escaping from different places infested with Zombies. Today we'll look at the Left 4 Dead game and fire off 23 graphics cards at this title to see what performance we get...

    More...
     
  2. freeZ

    freeZ Master Guru

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    Wow that must of took ages to do. Thanks for this.
     
  3. mandex

    mandex Master Guru

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    nice job ;D

    thx for article
     
  4. Cybermancer

    Cybermancer Don Quixote

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    The 3 x SLI result with the GTX280 is indeed very surprising. LOL
    Maybe the 180.60 or 180.70 Beta driver fixed this bug already?
     

  5. Year

    Year Ancient Guru

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    nice one Hilbert. :eyebrows:

    EDIT: how do you timedemo/bench Left4Dead?

    is it a built-in thing?

    in the page it says

    Software benchmark suite

    Left 4 Dead.


    how do i bench or what software did you use to do it?

    thanks.
     
    Last edited: Dec 1, 2008
  6. cowie

    cowie Ancient Guru

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    does this help year?


    If you would like to try out our timedemo yourself, you can download it here.

    1. Copy the “guru3d.dem” timedemo to your Left 4 Dead folder. Typically this folder is:

    x:/Program files/Steam/SteamApps/Left 4 Dead/Left 4 Dead/

    2. Start the game.
    3. Set all options to maximum as shown below. Disable Vsync.
    4. Press tilde “~” to open the console (make sure you enabled developer mode in the options menu)
    5. Type “timedemo guru3d” to run the benchmark.
    6. Check the results by pressing tilde “~”.


    btw this game is like ssII but with zombies:)
     
    Last edited: Dec 1, 2008
  7. Hilbert Hagedoorn

    Hilbert Hagedoorn Don Vito Corleone Staff Member

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    Yeah, page 4 of the article describes all + here you can download the timedemo.

    Click
     
  8. WhiteLightning

    WhiteLightning Don Illuminati Staff Member

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    ah i forgot about the record mode in hl2 engine :)
     
  9. Year

    Year Ancient Guru

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    thanks guys, gonna try this out right now. :) much appreciated.

    lol i missed page 4 and went straight to the benchmarks hence why i missed it i guess. bleah.

    btw thanks for providing the timedemo Hilbert.

    Edit: worked fine, 1440x900 + 4xmsaa + 16xaa everything to the max = 143fps ;)
     
    Last edited: Dec 1, 2008
  10. Thehypnotoad

    Thehypnotoad New Member

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    The thing that struck me as the strangest here was that with 8x AA on the 4850 beat the 9800GTX+ every time but it was just the opposite with 4x AA on.

    What would cause this to happen? Are ATI cards at the mid level better at anti ailising or is this just a driver thing?

    Otherwise cool article shocking how poorly the 7800 did seeing as it was a great card at the time.
     

  11. DSK

    DSK Banned

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    either left for dead supports dx10.1 or the new HD4xxx series can handle heavy AA better.
     
  12. Year

    Year Ancient Guru

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    as far as my experience goes and as a long time nvidia customer, i had various ATI card (8500 64mb, 9700 Pro, X850) and i can say for certain that they handle stuff like AA/AF better if not quicker, something to do with the way they cache textures and do the calculations, in other words ATI cards are that tiny bit more efficient overall. :)

    that doesn't mean the 9800GTX+ is a poor card, far from it, nvidia cards are work horses and able to hold their own in many games if not beat most ATI cards so don't let Left4Dead results sway you.

    each game behaves differently on different cards, if you optimize nvidia and ati drivers most of the time you'll find ATI cards will provide that tiny bit smoother gameplay compared to nVidia even if FPS benchmarks are identical.

    with all this said, perhaps next driver update or a patch for Left4dead may improve performance on 9800GTX+ cards. :)
     
  13. Denial

    Denial Ancient Guru

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    Not that it really matters, but why vista 32bit? How much memory does 32bit actually recognize with 3 gtx280's in there?
     
  14. Year

    Year Ancient Guru

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    xp/vista 32bit has a limitation of 4GB of total ram (more like 3.5GB), 3x GTX280 are 1GB each so 3GB total which is below the limit and remember that 4GB of ram is one thing and 3dcard vram is another thing they do not mix so the OS has no problem dealing with it.

    32bit usually is more compatible with software than 64bit that may be the reason why they went with 32bit instead of 64. ;) i might be wrong though (probably am).
     
  15. Denial

    Denial Ancient Guru

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    Memory mapped devices use address space. A video card is a memory mapped device, which is why it shows 3.5gb's instead of 4 max on most systems. With three video cards, I'm assuming it will show even less.. ~2.75gigs.

    But yeah i guess compatibility is a good reason.. i dunno though. I'd still think a 64 bit platform would be better.
     

  16. Year

    Year Ancient Guru

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    you are right and i was wrong, it's a 4GB total, so adding more videocards = less memory because it's not 4GB per device, but 4GB as a whole and as such if you have 4GB of ram (3.5gb) and add a second video card it will still some of that ram because it's not being addressed.

    http://www.gpgpu.org/forums/viewtopic.php?t=3449

    64bit would definitely be better at this point indeed.
     
    Last edited: Dec 2, 2008
  17. Cybermancer

    Cybermancer Don Quixote

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    In colloquial terms that is correct. ;)
     
  18. Dr4kE

    Dr4kE New Member

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    hi, nice website, good work. gratz !
    i discovered 3d Guru 2 weeks ago, and i am really impressed.

    So, concerning this article, i think you should use 2 colors like red (Ati) and green (nvidia), to show us more easily how MSAA & Anisotropic filtre impacts Nvidia or Ati Cards.

    Hope you will notice my advice.

    thx, c ya.

    dK
     
    Last edited: Dec 12, 2008
  19. r3s

    r3s New Member

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    I really like this game but i am sorry .....

    that review and the time spent timedemoing all those cards is completely USELESS, it doesn't go anywhere near the level of strain that will be put on the graphics card when you have a massive horde of zombies swamping you.

    Quite simply it is showing cards performing better then they will as a whole playing through the majority of the game.
     
  20. proFits

    proFits Ancient Guru

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    So that's where Hilbert been hiding all that time XD
     

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