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  1. Jan 2019
    1. Coming back to the two ‘FreeSync’ settings in the monitor OSD, they differ in the variable refresh rate range that they support. ‘Standard Engine’ supports 90 – 144Hz (90 – 119Hz via HDMI) whilst ‘Ultimate Engine’ gives a broader variable refresh rate range of 70 – 144Hz (62 – 119Hz via HDMI). We didn’t notice any adverse effects when using ‘Ultimate Engine’, so we’d suggest users simply stick to that option.

      In my tests using Standard Engine, in combo with G-Sync Compatible Driver, I get more screen flickering during menus.