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  1. #1
    New ROGer Array
    Join Date
    Oct 2020

    Low GPU utilization

    Hi Guys. I have ROG STRIX 3080 OC and in many games I can't move past 60%-80% GPU utilization with FPS at around 120. I play not very CPU demanding games like Wolcen or Serious Sam with CPU utilization at 25%-40%. Did anyone find a similar problem? Is there any fix?

  2. #2
    Moderator Array Nate152 PC Specs
    Nate152 PC Specs
    MotherboardROG Maximus IX Code
    Processori7-7700k 5.2GHz Delidded
    Memory (part number)16GB G.Skill Trident Z 4025MHz 17-17-17-39-2T
    Graphics Card #1Titan Xp - EKFC waterblock
    Graphics Card #2Titan Xp
    Sound CardROG SupremeFX 2015
    MonitorHP ZR30w
    Storage #1Toshiba VX500 256GB
    CPU CoolerSwiftech Apogee GTZ
    CaseThermaltake Armor+ VH6000
    Power SupplyEVGA Supernova 1600w Titanium
    Keyboard Cyberpower Skorpion K2
    Mouse ROG Chakram Core
    Headset Sennheiser HD6XX / Modmic 5
    Mouse Pad Steelseries QCK Prism XL
    OS Windows 10 Home 64 bit
    Accessory #1 Asus optical drive
    Accessory #2 Koolance ERM-2K3U
    Nate152's Avatar
    Join Date
    Feb 2013

    Hi charliep17

    Check in the Nvidia control panel Vertical Sync is set to "Use the 3d Application Setting", then in the game settings check that Vertical Sync is set to off. This should put gpu utilization at 99%-100%.

    If your monitor is 120Hz, you may want to let V-Sync enabled to avoid screen tearing or use G-Sync if your monitor supports it.

  3. #3
    New ROGer Array
    Join Date
    Oct 2020

    Hi. I have always used v sync on with RTSS limit at 141 FPS. Never had any issues with RTX 2080, always I achieved either 141 FPS or 99% GPU utilization. On RTX 3080 turning V sync off doesn't have any impact because I am already limited before I even reach the refresh rate of my monitor at 144 Hz. But this limit appears to be at around 60-80% GPU utilization for some strange reason.

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