Originally posted by shmerl
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1. GPU can easily run the game past native speed / sync range
vsync limits refresh rate and introduces lots of lag
freesync does nothing no extra latency but it does nothing. you get screen tearing
freesync + frame cap minimal extra latency always works.
2. GPU can barely run the game at native speed / sync range
vsync will limit the game fps when possible (ads latency), or frame rate will dip below vsync and does nothing, you get screen tearing
freesync will work when in range (no latency), but will turn off out of range you get screen tearing
freesync + frame cap, will limit fps always works assuming stays within range
3. GPU cannot run the game at native speed / sync range
vsync nothing, no extra latency you get screen tearing
freesync does nothing, you get screen tearing without LFC
freesync + frame cap does nothing you get screen tearing without LFC
in none of these cases does freesync actively lower input lag. it does however when paired with a framerate cap, add far less input lag than vsync does. as seen in this video
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https://www.youtube.com/watch?v=rs0PYCpBJjc
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