1. scorpio001's Avatar
    Hey all,

    Read about Force GPU Rendering in Developer Mode.

    For my Note 4 octa-core v4.4.4, is it still necessary to keep this setting Checked as default to ensure it will use GPU to render all graphics?

    Does more harm than good?

    Keep it Checked anyways?

    Will it result in better battery life?

    Cheers, thanks.
    12-30-2014 12:54 AM
  2. Seremedy's Avatar
    It completely speeds up your phone. There was a huge difference in overall ui speed when I did that.

    Posted via the NOTE 4 or NEXUS 9
    12-30-2014 01:13 AM
  3. scorpio001's Avatar
    Also noticed 'Disable hardware overlay' could not be Checked when FGR is Checked.
    12-30-2014 01:24 AM
  4. Seremedy's Avatar
    Wait what ?

    Posted via my Samsung GALAXY NOTE 4
    12-30-2014 02:07 AM
  5. Seremedy's Avatar
    I was able to check turn off hardware overlays when fgr was checked.

    Posted via my Samsung GALAXY NOTE 4
    12-30-2014 02:10 AM
  6. scorpio001's Avatar
    I thought the GPU will kick in automatically for graphics without needing to Force Render it.
    12-30-2014 09:29 AM
  7. Seremedy's Avatar
    I am not sure.

    Posted via the Android Central App
    12-30-2014 09:30 AM
  8. Snake Griffin's Avatar
    It made a big difference for me on the Snapdragon variant. As far as I know it's up to the app developer to decide whether GPU rendering is enabled or how it's used. It is not necessary to have this enabled, which is why it's buried in the developer options, but it made scrolling and other things in most apps smoother for me.

    Stolen form elsewhere:
    " Enabling this preference in developer options offloads task of rendering window components like buttons, text and complex 2d graphics calculations to GPU. This often results in much faster UI rendering including animations. On one side you will definitely achieve better frame rate (and hence smooth experience) throughout system, but you may end up using more battery. On certain devices, GPU consumes more power the CPU, hence you may observe 5-15% lower battery life with option enabled.

    I would recommend having this option enabled on devices with weaker CPUs e.g. You should seldom need to enable this on dual-core 1.4ghz ARM CPU.

    Offloading UI rendering to GPU has obvious benefits so that CPU can work on other important tasks like database IO, data manipulation, layout calculations and responding to other user inputs"

    Posted via the Android Central App
    12-30-2014 11:23 AM
  9. Carrtman's Avatar
    As someone who is using an older tablet or allowed me to keep it at medium mode and still improve the speed to me the trade of its absolutely worth it
    12-30-2014 12:42 PM
  10. scorpio001's Avatar
    So I gather as default best to keep this option as Checked (and 'forget') as it has more advantages than disadvantages.
    12-30-2014 09:11 PM
  11. scorpio001's Avatar
    Unchecked FGR now on my Note 4 and can't see any noticeable difference in GUI speed between checked and unchecked.

    Could it be that the octa-core Exynos version is using combination of its 1.3Ghz CPU and GPU?
    12-31-2014 02:06 AM
  12. Almeuit's Avatar
    Necessary ? If you want to speed the device up but ... You will most likely use more battery as well... So depends if that trade off is worth it for you.
    Aquila likes this.
    12-31-2014 09:20 AM
  13. makie's Avatar
    So does it use more battery when unchecked or more?

    Posted via the Android Central App
    12-31-2014 10:40 AM
  14. LightspeeD00711's Avatar
    Will use more battery when checked. But responsiveness will be worth it, fast and smooth. Good trade-off in my book's
    02-01-2015 03:23 AM

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