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Thread: V Sync




  1. #1
    Join Date
    Dec 2002
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    124

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    Hey.

    Simple question, what are the effects of V-Sync, on both look and performance, and is it worth having on?
    ~AlthonXP T-Bred 2,600 @ 2305mhz~
    ~Epox 8RDA+~
    ~Hercules Radeon 9800XT 256mb~
    ~512 Corsair P3200 @ 6,2,2,2.0~
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  2. #2

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    to the best of my linited knowledge with Vsinc on you get less pixelation around the edges (smoother edges) but it will slightly decrease performance, for example when playing Battlefield 1942 if I have Vsinc enabled the edges of the wings on the planes look nice and smooth/straight as apposed to having it off where they look a bit daggy. I also know that in benchmarking programs like 3Dmark2001/2003 you get a lot higher marks with it off. hope this helps!

    i like to have it on cause it looks prettier!!! :lol:
    64/3500+ | Gigabyte K8NS Ultra 939 | Gainy 6800 GS golden sample using 71.20 and DX 90c| 1Gb Geil PC3200 | WD 120Gb 7200rpm 8mb buffer | XP Pro + SP1 | Pioneer DVD burner dual layer | Antec 480 watt truepower wrapped in a Enermax 710B case | Dell 21" Trinitron.....etc

  3. #3
    Join Date
    Jun 2003
    Location
    Sunderland, England
    Posts
    529

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    vysnc is where the frame rate is limited to (usually)60hz to avoid the image from "tearing" where the top of the next frame is drawn before the current frame has finished drawing at the bottom of the screen

    EDIT: Slartibartfast i think you may be thinking about Anti Aliasing (AA) which removes the jagged edjes from pixels by blurring them
    <img src="http://gfx.statgfx.com/old/folding.cgi?&username=metallicat666&teamid=33272&t rans=yes&.jpg" alt="www.Statgfx.com" />

  4. #4
    Join Date
    Dec 2002
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    124

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    I thought it was to do with frame rate limitation, but I wasn't sure. Thx Metallicat.

    But is it worth having on? I get around 9,100 in 2001se, yet V-sync pulls that back to around 7,400. :cry:

    You also said it limits it to 60hz. I use refreshforce to over-ride the windows default 60hz, but since I run everything at 1600x1200, it can only do about 75.

    So would V-synce actually be worth having on in my case?
    ~AlthonXP T-Bred 2,600 @ 2305mhz~
    ~Epox 8RDA+~
    ~Hercules Radeon 9800XT 256mb~
    ~512 Corsair P3200 @ 6,2,2,2.0~
    ~WD1200JB HDD~
    ~Antec 1080 Plus~

  5. #5
    Join Date
    Jun 2003
    Location
    Sunderland, England
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    it might still be worth having on.
    the reason for it lowering your score is because it limits you to 60 frames per second ( not 60 hz as i said before) and your grahics card is capable of displaying more frames per second than 60 so is limited when v sync is on
    <img src="http://gfx.statgfx.com/old/folding.cgi?&username=metallicat666&teamid=33272&t rans=yes&.jpg" alt="www.Statgfx.com" />

  6. #6
    Join Date
    Dec 2002
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    124

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    Will it deminish the performance of my games at all? Or simply make sure it remains constant?
    ~AlthonXP T-Bred 2,600 @ 2305mhz~
    ~Epox 8RDA+~
    ~Hercules Radeon 9800XT 256mb~
    ~512 Corsair P3200 @ 6,2,2,2.0~
    ~WD1200JB HDD~
    ~Antec 1080 Plus~

  7. #7
    Join Date
    Jun 2003
    Location
    Sunderland, England
    Posts
    529

    Default

    it shouldnt reduce the performance
    you will get a lower frame rate if the card is capable of displaying more but most games are smooth at anything over about 30 or 40 frames per second so you wouldnt notice a difference between the 60 fps and say 100 fps
    <img src="http://gfx.statgfx.com/old/folding.cgi?&username=metallicat666&teamid=33272&t rans=yes&.jpg" alt="www.Statgfx.com" />

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