NVIDIA Optimus for Desktop PCs

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  1. Posts : 8
    Windows 10 64-Bit
       #1

    NVIDIA Optimus for Desktop PCs


    Hi

    I have an iGPU and dGPU in my desktop PC. I want to have the NVIDIA Optimus Configuration where the iGPU works for normal browsing and surfing tasks, and dGPU kicks in when doing GPU intensive tasks i.e. gaming, video editing, AI programs.

    I have plugged my display into the onboard HDMI slot instead of the dGPU's HDMI. In BIOS settings, the Onboard Graphics are set to Enabled.

    When windows boots up, Intel command center works fine, but all the settings in NVIDIA Control Panel disappear. It implies that that with single monitor configuration, I can either use iGPU or dGPU for display.

    About the usability on the dGPU, I can use it for AI tasks, but for gaming, the iGPU kicks in instead of dGPU, causing laggy gameplay.

    The NVIDIA official drivers offer "Display.Optimus" folder which includes some configuration files to enable Optimus configuration in desktop PCs. I want to know how can I do it.

    My PC Specs:
    MoBo: Gigabyte Z390M
    CPU: Intel Core i5 - 9600K
    GPU: AORUS RTX 2070 Super 8GB
    OS: Windows 10 Pro x64 (Build 1909)
      My Computers

  2. CountMike's Avatar
    Posts : 18,443
    W10+Developer Insider + Linux
       #2

    Maybe a stupid question but what do you want iGPU for ? Your dedicated card is infinitely better than that IGPU.
      My Computers

  3. stormy13's Avatar
    Posts : 325
    Windows 10 Pro
       #3

    Only works on laptops.

    Optimus | Technology | GeForce
      My Computer

  4. coolmistry's Avatar
    Posts : 172
    Windows 10 Home 64 Bits 2004 Latest Version
       #4

    IGPU = integrated GPU, it is built into the CPU chip = Intel® UHD Graphics 630
    DGPU = discrete GPU, it is a separate chip = AORUS RTX 2070 Super 8GB
    I agree with CountMike! It more performance on DGPU which you have AORUS RTX 2070 Super 8GB is so super powerful!
    For IGPU is useful when you have problem or damage DGPU then you can boot in to IGPU to carry on using Windows while replace new graphic card but not got 3D gaming or other heavy load!
    Hope this make you understand clean!
    Your Graphics is Awesome
      My Computer

  5. f14tomcat's Avatar
    Posts : 53,618
    Multi-boot Windows 10 - RTM, RP, Beta, and Insider
       #5

    coolmistry said:
    IGPU = integrated GPU, it is built into the CPU chip = Intel® UHD Graphics 630
    DGPU = discrete GPU, it is a separate chip = AORUS RTX 2070 Super 8GB
    I agree with CountMike! It more performance on DGPU which you have AORUS RTX 2070 Super 8GB is so super powerful!
    For IGPU is useful when you have problem or damage DGPU then you can boot in to IGPU to carry on using Windows while replace new graphic card but not got 3D gaming or other heavy load!
    Hope this make you understand clean!
    Your Graphics is Awesome
    Rare, but has happened.... new Nvidia driver totally roached. Disabled my 1080Ti and fell back to HD630 until I could DDU the garbage out and fix the problem.
      My Computers

  6. coolmistry's Avatar
    Posts : 172
    Windows 10 Home 64 Bits 2004 Latest Version
       #6

    f14tomcat said:
    Rare, but has happened.... new Nvidia driver totally roached. Disabled my 1080Ti and fell back to HD630 until I could DDU the garbage out and fix the problem.
    Yeah add on this as well good idea
      My Computer


  7. Posts : 1,975
    Windows 10
       #7

    No, not possible. Optimus is basically for Laptops with Optimus, where the extra Graphics chipset is on the MOBO and has the same Video output common to both video systems.
    It is a hardware difference.

    Some AIO types of PC do use what are essentially Laptop MOBOs.

    In a standard Desktop MOBO the video outputs are separate for the iGPU and the Graphics Card.
    There is no point in Optimus on a Desktop anyway.

    The iGPU maybe useful if your Graphics Card is removed for servicing or something like that.
      My Computer

  8. CountMike's Avatar
    Posts : 18,443
    W10+Developer Insider + Linux
       #8

    IGPU should be disabled in BIOS if not used, even if not active, it still use resources as it takes some RAM for graphics, running drivers etc.
      My Computers


  9. Posts : 8
    Windows 10 64-Bit
    Thread Starter
       #9

    Thanks guys, for helping me out from a weird problem.

    BTW I happened to solve the problem by going to Settings > System > Display > Graphics Settings

    Under Graphics Settings, we can manually select which application will run on iGPU and dGPU, which is basically controlled by the power modes, Balanced/Power saver mode will run the programs on iGPU and High Performance mode will run the programs on dGPU.

    I tested Battlefield V on high performance mode to check whether dGPU kicks in despite the display connected to iGPU. And it ran flawlessly on dGPU automatically.

    The only drawback is that it's only available in Windows 10, means this method isn't available for Windows 7 (my 2nd OS). On WIndows 7, neither any iGPU drivers are available for the OS, nor there's any option to switch graphics like in Windows 10.
      My Computers


  10. Posts : 1,975
    Windows 10
       #10

    The video outputs are separate, how are you getting around that, perhaps you had better show the Task Manager View of both.

    I suspect what you are actually using is the iGPU.

    The graphics settings you mention are in Windows 10 now, but that is only a repeat of what is available in the Nvidia Control Panel. That is not new and was available in Windows 8.1 for sure.
      My Computer


 
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