You will experience some tearing until the FPS falls back inside the FreeSync window and FreeSync resumes. This sustains the lowest possible input latency because no frames are being buffered, held or rejected as with vsync. If the app is above the FreeSync range, monitor will run at max refresh and your FPS can go however high it will. You will experience tearing, but no frames will be buffered or held as with vsync. If the app is below the FreeSync range, monitor will run at max refresh until the app's FPS gets back inside the DRR window. This is the lowest possible input latency. If the app is inside the FreeSync window, FreeSync is active. If you really care about input latency, then you can turn vsync off.
When your game is in the FreeSync window, this is the lowest possible input latency. You won't get the lowest possible input latency due to rejected frames, but no extra latency is being added. If the FPS is above, the GPU will reject frames ("FPS cap") to keep the application inside the FreeSync window. This will avoid tearing, but add input latency. If FPS is below, the monitor has no choice but to use vsync in the double or triple-buffer mode you've set. If vsync is enabled, it is only active when the FPS is above or below your monitor's refresh rate range. If you had an ordinary monitor at 60Hz, it would kick the framerate down to 45 or 30 FPS and you would experience stuttering.ĪMD_Robert Technical Marketing 16 points 5 months ago* In practice you would see a smooth 60 FPS for a while, then your framerate might dip and FreeSync would activate and continue the smoothness. EDIT: At 60+ on your display: vsync will cap the framerate automatically, effectively forcing the game back into the FreeSync range of your display for smooth gameplay. So 0-40 it wil be Vsync, 40-60 Freesync, 60+ Vsync?ĪMD_Robert Technical Marketing 5 points 6 months ago* GaborBartal AMD R7 1700 || MSI R9 390X 8GB 2 points 6 months agoĮxcuse me for the dumb comment, but then if I turn on VSync in a game and enable Freesync in Crimson + in the monitor's menu, VSync only kicks in outside the Freesync range of my monitor? Mine is 40-60 Hz with a max of 60. FRTC is redundant.įRTC is for people with regular ol' monitors who are playing low-demand games running in the hundreds of FPS, which just burns power and runs the fan faster than necessary. If you're not trying to get the lowest possible input latency, or the app's FPS stays inside your monitor's DRR window on the regular, then leaving vsync enabled will cap your framerate anyways. FRTC is the antithesis of this, so it doesn't make sense to use FRTC in this case.Ģ. Here's why:ġ.The only time you'd want to turn off vsync with FreeSync is if the app's FPS can go way above your monitor's max refresh and you want the lowest possible input latency at the expense of a little tearing at high framerates.
The frame time analysis algorithms that govern FreeSync, FRTC or other methods will conflict and break both solutions. ĪMD_Robert Technical Marketing 30 points 7 months agoĭo not use any sort of frame capping with FreeSync. I don't know all the ends and outs but everything seems to work great so far.
I just got my freesync monitor and freesync + vsync seem to be working great for me.
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