Curious about Nvidia GPU and Directx12

  1. Carsomyr's Avatar
    Posts : 236
    Win10 Pro x64
       #1

    Curious about Nvidia GPU and Directx12


    So I remember reading somewhere (several places actually but I really don't remember where) that all Nvidia GPUs that came supporting DX11.2 (I believe Kepler and Maxwell?) would also support DX12... However, when I run DXDIAG The main page says 12 but the second page with the feature levels tops at 11.0? (which should at least be 11.2 I thought )





    EDIT: I have a Gigabyte GTX 750 lol might help if I mention the GPU I'm using :P Which says on the box it supports 11.2
    Last edited by Carsomyr; 02 Jul 2015 at 21:22.
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  2. Geneo's Avatar
    Posts : 1,099
    Windows 10 Pro x64 Retail 21H1
       #2

    Because they cannot only support the full set of dx12. I don't kknow why your 750 doesn't show 11.2 - it is supposed to support that full set. Only Maxwell supports all of 12.

    http://www.extremetech.com/extreme/2...d-dont-deliver

    https://en.wikipedia.org/wiki/List_o...rce_700_Series
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  3. venla's Avatar
    Posts : 44
    windows 10 build 14951
       #3

    i have same thing with 760 GTX
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  4. bobkn's Avatar
    Posts : 3,753
    Win 10 X64 Pro 21H1 19043.1052
       #4

    I'm not sure that the 353.38 drivers support DX12. Try reverting to 353.30.
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  5. blackroseMD1's Avatar
    Posts : 2,108
    Windows 10 Pro Insider Preview x64
       #5

    bobkn said:
    I'm not sure that the 353.38 drivers support DX12. Try reverting to 353.30.
    353.38 definitely supports DX12, at least on Maxwell.

    Curious about Nvidia GPU and Directx12-untitled.png

    Carsomyr,
    It is weird that 11.1 and 11.2 Feature Levels aren't showing up for you. Did they show up on earlier drivers? As for DX12, Nvidia may be holding off on Kepler until Windows 10 RTMs. That's just a guess though.
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  6. bobkn's Avatar
    Posts : 3,753
    Win 10 X64 Pro 21H1 19043.1052
       #6

    blackroseMD1 said:
    353.38 definitely supports DX12, at least on Maxwell.

    Curious about Nvidia GPU and Directx12-untitled.png

    Carsomyr,
    It is weird that 11.1 and 11.2 Feature Levels aren't showing up for you. Did they show up on earlier drivers? As for DX12, Nvidia may be holding off on Kepler until Windows 10 RTMs. That's just a guess though.
    Right. Now that I'm back at the machine, I see that 353.38 indeed supports DX12 (through 12.1) on a Maxwell GPU.

    No idea what the problem might be with a 750.
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  7. Geneo's Avatar
    Posts : 1,099
    Windows 10 Pro x64 Retail 21H1
       #7

    I don't think they (kepler) can support all of directx 12, only some of it, which means it will never show up as dx 12 in dxdiag.
    Kepler can't support dx 12 features that require hardware support that kepler already doesn't have. The first link I posted above explains it pretty well.
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