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S-Sync combined with other different syncs?

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S-Sync combined with other different syncs?

Postby Litzner » 05 Feb 2019, 21:52

I am currently using S-Sync+No-vsync and I noticed there are write ups about how to combine S-Sync with V-Sync and FastSync. I was wondering why you would do this, what advantage or situations would make you want to combine S-Sync with the other syncs? What are the pros and cons of each combination?
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Re: S-Sync combined with other different syncs?

Postby Chief Blur Buster » 06 Feb 2019, 02:45

You're probably following the Scanline Sync HOWTO.

The latency differences of all of them is similar (within roughly 1-2ms). What happens is what kind of disadvantage you get when you've got those frametime spikes. i.e. Do you want a tearline during a frametime spike, or do you want a single microstutter during a frametime spike? You choose the con you prefer.

Full framerate
RTSS + Any sync = Identical look with almost identical lag

Framerate Slowdowns
RTSS + VSYNC OFF = tearlines will reappear
RTSS + Fast Sync / Enhanced Sync / VSYNC ON = stutters will reappear

Choose Your Preference
Some people are more sensitive to stutters.
Some people are more sensitive to tearing.
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Re: S-Sync combined with other different syncs?

Postby RealNC » 06 Feb 2019, 06:14

Litzner wrote:I am currently using S-Sync+No-vsync and I noticed there are write ups about how to combine S-Sync with V-Sync

You can't do that. S-sync only works when the game is running vsync OFF.

Fast sync works because fast sync still runs games with vsync OFF.
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Re: S-Sync combined with other different syncs?

Postby Litzner » 06 Feb 2019, 11:12

For me I will take a tear line over a stutter.

Thank you very much for the info!
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Re: S-Sync combined with other different syncs?

Postby Litzner » 06 Feb 2019, 12:42

And and I want to apologize for this extra thread, I just noticed I completely missed that this was already in a How To :cry:
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Re: S-Sync combined with other different syncs?

Postby Litzner » 06 Feb 2019, 13:12

One more question, if I can bother further, in combination with Lightboost, if I am running a 2xS-Sync setup, so 240fps@120Hz, is there difference between doing it with NoSync or FastSync+SyncScanLine1?
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