RTSS vs ingame/NVCP frame cap for latency

[Tiberiusmoon]

I did a bit of research and found there is a crossover to the latency impacts of ingame vs RTSS frame caps.

https://www.reddit.com/r/apexlegends/co ... rame_caps/

Edit: RTSS is so much more consistent regardless of FPS but there are cases where ingame FPS caps are lower latency.

[jorimt]

I did a bit of research and found there is a crossover to the latency impacts of ingame vs RTSS frame caps.

"Crossover" in this respect can depend heavily on the in-game limiter and system being tested, along with what test methodology is being used.

Edit: RTSS is so much more consistent regardless of FPS but there are cases where ingame FPS caps are lower latency.

Correct. Most in-game limiters are 1/2 to 1 frame lower latency than external limiters like RTSS, but RTSS has more stable frametime performance than most in-game limiters.

I have covered both points extensively here in the forums and in my article. Example being entry #9 of my Closing FAQ:
https://blurbusters.com/gsync/gsync101- ... ttings/15/

gsync-101-closing-faq-entry-9.jpg (269.47 KiB) Viewed 2492 times

Also, here's some semi-recent latency comparison numbers between various FPS limiters in Overwatch via an LDAT:
viewtopic.php?f=5&t=9151&p=86590#p72182

[Tiberiusmoon]

Also, here's some semi-recent latency comparison numbers between various FPS limiters in Overwatch via an LDAT:
viewtopic.php?f=5&t=9151&p=86590#p72182

Nice!

I have something you could test to confirm some results if you want to.
I have found a Low latency Vsync setup that is just as good as no V-sync in Apex Legends.



The top right is 238fps in RTSS with V-sync and no in game FPS cap.
Bottom right is the same only with a 245FPS ingame cap. (the Apex game engine is weird)
Bottom left is just a higher FPS target I was testing.
And top left is a 290 FPS cap without V-sync because uncapping the FPS in Apex has diminishing returns in latency and FPS stability.

This one is done using a low load Directx app that is not a game for testing:


I tested NULL on the top right vs low latency on bottom left which had incredible latency reductions vs uncapped and just the FPS cap.

[dougg0k]

RTSS are known to help improve on the 1% and 0.1% lows. While no other limiter were able to, so far, even the ingame ones.

https://www.youtube.com/watch?v=3QFH_YBOhNg

https://www.youtube.com/watch?v=x-0wUHHu8pI