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RetroArch 1.7.4 – Sync To Exact Content Frame Rate – Ideal for G-Sync/FreeSync users!

Blog post written by Tatsuya79

RetroArch 1.7.4 has a new feature that will be especially advantageous to users of variable sync display technologies, such as G-Sync/FreeSync. We call it “Sync to Exact Content Framerate”.

This option is the equivalent of forcing x1 speed while still allowing fast forward.
There will be no deviation from the core requested refresh rate alongside sound Dynamic Rate Control (the default RetroArch behaviour outside of this setting).
It should adapt to any refresh supported by your screen and provide smooth scrolling.

Steps to take for it to be effective:

Keep V-Sync active in Settings -> “Video”, it won’t work with it disabled.

Core-specific hints

  • MAME needs “Enable Throttle” in its core options to give the exact game timing.
  • Genesis Plus GX needs “System Region” set to “PAL” in its core options to switch to 50Hz. It doesn’t seem to be able to do it automatically.
  • This setting is not a silver bullet though, and it relies on the core to have proper frame timing. As a result, currently this setting can’t fix the frame pacing issues some cores suffer from (mGBA and Reicast have some at the moment).

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