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  1. #1
    New Member
    Join Date
    Oct 2008

    HD4870 Performance Issues?

    I just recently completed a new build and have been playing Assassin's Creed patched to 1.02. Judging by the reviews on my card, I should not be having any real performance issues, but I am.

    I have all the settings maxed running at 1680x1050 with VSync off and I get pretty steep framerate dips at certain points, particularly noticeable when doing a bird's eye view of Damascus from one of the viewing towers. Doing a leap of faith off one of those towers also has severe stuttering during the leap up into the air sequence when the camera zooms out pretty far.

    Here's my build:
    Phenom X4 9950BE 125W
    Asus M3A79-T Deluxe
    Diamond HD 4870 1GB
    Corsair Dominator 2x2GB DDR2-1066 5-5-5-15
    Western Digital 640GB
    Xclio 1000W PSU
    Vista Business SP1 64-bit
    Catalyst 8.10 w/o Hotfix

    So I've got two questions:
    1. What performance should I be expecting from this build in Assassin's Creed v1.02?
    2. Am I doing something wrong to cause the stuttering and framerate dips? Setting Multisampling to 1 reduces the dips significantly as well as setting Shadows to 2, but I was under the impression that I should be able to handle those settings maxed at my resolution.

    Thanks for any help.

  2. #2
    Member SeanBest's Avatar
    Join Date
    Aug 2006
    Harrisonburg, VA
    Heatware Profile
    1. Not sure, don't own the game for pc.
    2. What driver version?

    Video drivers can cause frame rate problems as well as game patching, that game's been out awhile so I'd think more a driver problem.
    Motherboard -------- BIOSTAR TPower I45
    CPU ------------------- Intel Xeon E5450 @ 3GHz
    Memory -------------- 8GB Corsair Dominator DDR2 1066
    Cooling --------------- Thermalright Ultra 120 Extreme
    HDDs ----------------- Western Digital Velociraptor 300GB 10k RPM
    Graphics Card ------- MSI R9 280 GAMING OC
    Soundcard ----------- Creative X-Fi Xtremegamer
    Case ------------------ Antec Nine Hundered
    Power Supply ------- OCZ ModXStream Pro 600W
    OS -------------------- Win 7 Pro x64

  3. #3
    New Member
    Join Date
    Oct 2008
    Quote Originally Posted by utopiafallen View Post
    Catalyst 8.10 w/o Hotfix

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