Question about refresh rate and game settings...

[Sigur Ros]

Hi, I have a GTX 1060 6GB and an AOC Agon AG271QG which is 1440p, G-Sync and 165 Hz refresh rate.

Now.. I know my 1060 is not able to take advantage of that monitor, but to get the most out of my GPU I want to know what game settings I should be choosing. I would like to stay at 1440 and not go back to 1080. The game I am currently playing (Far Cry New Dawn) is running very nicely on ultra settings @ 1440.
I do have G-Sync enabled in the NVIDIA Control Panel. But the games give me more options... for example:

When it asks me to set the refresh rate, should I go high? low? What does this to to my performance?

Do I want V-Sync on? Off? (I know V-Sync is an AMD feature. Does it have any effect on my system?)

Do I want to "enable frame rate lock" ?

I mostly use this system for photography, but I do like some games and am hoping to learn more about these settings and how to get the most out of them.
Thank you very much.

 

[EarthDog]

Set it to the native refresh rate (165Hz?) regardless.

Since you have G-Sync, V-sync is not needed. Here is a link about G-sync - https://www.geforce.com/hardware/technology/g-sync

I would leave frame rate lock alone...no need with G-sync and most titles anyway.

 

[Sigur Ros]

Set it to the native refresh rate (165Hz?) regardless.

Since you have G-Sync, V-sync is not needed. Here is a link about G-sync - https://www.geforce.com/hardware/technology/g-sync

I would leave frame rate lock alone...no need with G-sync and most titles anyway.

Thank you.
The game max's me out at 144Hz Refresh, but I don't have V-Sync on or Frame Rate Lock on.
I appreciate the advice.