Windows 10: dGPU is recognized as GPU 0 and iGPU as GPU 1

Discus and support dGPU is recognized as GPU 0 and iGPU as GPU 1 in Windows 10 Graphic Cards to solve the problem; I have a laptop with a dGPU. Will there be problems if the dGPU is recognized as GPU 0 (and iGPU as GPU 1) in Task Manager on a fresh install? 132032 Discussion in 'Windows 10 Graphic Cards' started by VincentJoshuaET, May 5, 2019.

  1. dGPU is recognized as GPU 0 and iGPU as GPU 1


    I have a laptop with a dGPU. Will there be problems if the dGPU is recognized as GPU 0 (and iGPU as GPU 1) in Task Manager on a fresh install?

    :)
     
    VincentJoshuaET, May 5, 2019
    #1
  2. WinM Win User

    Multi-Monitor and iGPU and dGPU usage/load

    Hello, I have trouble getting my iGPU to do work when the dGPU is set as "main display".

    I have an iGPU Intel HD4000 on my 3770k CPU, I also have a dGPU Nvidia GTX690 in a Multi-Monitor setup. Connected to my GTX690 are 3 monitors, and connected to my HD4000 is a 4th accessory display.

    What happens is that when I play a video using VLC on the monitor connected to the iGPU, all content is actually rendered on the dGPU, then sent over the PCIe bus to the iGPU and displayed from there. I don't want my dGPU adapter to have anything to do with
    VLC when the window is not on those monitors. I want only my iGPU adapter to do work when VLC is on that respective monitor. If I move the VLC window over to a different monitor which is powered by another display adapter, I want that adapter to take over
    the work.

    Example - Playing a video on the Monitor connected to iGPU:

    1. When iGPU is set as Main Display then; iGPU 17% usage, dGPU1 0%, dGPU2 0%.

    2. When dGPU is set as Main Display then; iGPU 18% usage,
    dGPU1 8%, dGPU2 0%.

    In the first case where the monitor connceted to the iGPU is set as main display, everything works as I want it, only the iGPU does work as it outputs the video to its monitor. But I don't want to have my iGPU as Main Display, I want the dGPU as Main.

    In the second case where a monitor connceted to the GTX690 is set as the main display, dGPU1 is at 8% even though no monitor connceted to this Dispay adapter is displaying anything.... For some reason Windows10 lets the dGPU do all the work and pass the
    result to the iGPU which then displays it. I want the iGPU to do all the work.

    How can I assign a different Display Adapter to a program, other then the "Main Display" (which all programs default to, regardless of which monitor they actually appear on)???

    Nvidia has something called "Nvidia Optimus" but is only available for mobile devices. But this is not available for desktop. Does Win10 have something like it where I can pick which GPU a program will use?
     
    WinM, May 5, 2019
    #2
  3. having issues with multi GPU

    I’m trying to offload certain apps to my iGPU on the second screen, using the new graphics settings in the recent win 10 release. the issue is it’s only showing my 1070. lists it as both power saving GPU, and
    high performance GPU.

    I’ve been fiddling for a while now with no joy, and i’m really hoping one of you guys has an idea they can suggest to sort this!

    I can extend onto the second screen no probs with it plugged into the iGPU, but the 1070 is still listed as both power saving GPU and high performance GPU.

    Are there requirements for this? certain level of iGPU for it to work?

    Thanks

    Edit - setting the secondary screen connected to the iGPU to be the "main" display in graphics settings makes my iGPU show as both power saving and high performance GPU, I just can't seem to get them
    to be one and not the other.
     
    GaryDougall, May 5, 2019
    #3
  4. Crowlord3 Win User

    dGPU is recognized as GPU 0 and iGPU as GPU 1

    Hybrid GPU problem?

    When I click on the battery icon, or when the background changes in a background slideshow there is a slight stutter that happens. I think I have narrowed the problem down. When the stutter happens the dGPU fires up for that one action then returns to rest,
    (The dGPU uses a lot of power and is "turned off" it seems. I'm assuming that Optimus/MSHybrid does this.), instead of the iGPU handling the action. It seems that windows isn't preferring the iGPU for these small tasks. Is this is a problem with the Hybrid
    GPU function in windows? Or is the problem with the drivers?

    Laptop. Metabox/Clevo P650RS-G with the i7-6820HK CPU upgrade.
     
    Crowlord3, May 5, 2019
    #4
Thema:

dGPU is recognized as GPU 0 and iGPU as GPU 1

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