G-Sync

Discussion in 'Gaming (Software and Graphics Cards)' started by AdamPL, Jun 20, 2018.

  1. AdamPL

    AdamPL Notebook Enthusiast

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    Hi guys,
    I'm new in modern technology of graphics. I've heard about G-Sync - is it worth to pay for that?
    Is G-Sync connected with display or with Laptop hardware - I'm wondering why everybody says that GE73 doesn't have G-SYNC nad GT73 has. If I connect external LCD display with G-SYNC may I use this technology having GE73 or not? Is this a problem with iGPU/dGPU?
     
  2. hfm

    hfm Notebook Virtuoso

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    Couldn't hurt to have it. You can always turn it off if you don't like it.
     
  3. JRE84

    JRE84 Notebook Evangelist

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    basically prevents screen tearing at any framerate
     
  4. AdamPL

    AdamPL Notebook Enthusiast

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    You mean to turn off GSYNC or iGPU?

    @JRE84
    And if I have GE73 Raider will I be able to use G-SYNC on external display?
     
  5. hfm

    hfm Notebook Virtuoso

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    G-Sync. It's configurable in NV control panel, either globally or per application..

    G-Sync MIGHT work on the external display through DisplayPort if that laptop has a DP port, but not sure how that would work if you have optimus since the iGPU is always used as the final output, there is just a routing layer that is used if there is a determination that the dGPU should be receiving the workload instead, or you can override it per app in the nv control panel. Something tells me G-Sync might not work in this scenario unless the laptop is specifically built with a MUX switch or some software switch.


    gsync-global.png gsync-app.png
     
  6. JRE84

    JRE84 Notebook Evangelist

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    in short no you will not get gsync on external monitor
     
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  7. hfm

    hfm Notebook Virtuoso

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    Yes, this is correct. Good rule of thumb is if you have Optimus, you cannot have G-Sync.
     
  8. yrekabakery

    yrekabakery Notebook Deity

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    So many people in this thread spreading misinformation. G-Sync works on external monitor because DisplayPort on MSI notebooks is always connected directly to dGPU, even if inbuilt panel uses Optimus and does not support G-Sync.

    And let's not forget, there are Clevos and Alienwares with mux that can manually switch between dGPU only/G-Sync and Optimus on the internal panel.
     
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  9. JRE84

    JRE84 Notebook Evangelist

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    oh crap I forgot about display port. yes you are correct, but if you use hdmi then no....thanks alot yrekabakery for reminding me
     
  10. yrekabakery

    yrekabakery Notebook Deity

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    G-Sync requires DisplayPort anyway. If you plug into HDMI, you won't get G-Sync regardless of how the HDMI port is muxed.
     
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