trying to get the most FPS (144fps)
trying to get very little input lag
should I enable G-sync?
thank you
It’s up to personal preference.
Theoretically you disable any sync technology to get minimum possible delay. That means you will have to bear with occasional tearing.
If it’s too jarring or you don’t keep stable 144+ and experience fps dips you can try capping fps at ~142 and turning gsync on and seeing how it feels.
I have 240hz and have G-sync ON because game optimization is meh lately and fps fluctuates anywhere between 130-240 with occasional dips even down to 90.
If you have a G-sync monitor then yeah absolutely.
Disable V-sync, enable G-sync, and cap your frames at 141
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https://www.google.com/search?q=xf270h&ie=&oe=
Acer xf270h
this is the one I have, it has “freesync” is that the same a gsync?
Intel ® Core™ i5-7400 CPU @ 3.00GHz 3.00 GHz
Installed RAM 24.0 GB
64-bit operating system
Nvidia GeForce GTX 1060 3GB
Acer xf270h
I cannot get 144fps. I will dip down to 90fps in heavy team fights.
I’ve tried everything in this guide. Do I just not have a powerful enough computer?
can you help me with this too please? I’m not a computer dude 
and I don’t see a lot of “tearing” the game looks fine at 75% render scale
yes enable it if you have unstable frame rate. it syncs the refresh rate to the frame rate.
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Do you know what model your Acer monitor is? And also what you have for a graphics card? The rest of your PC specs are fine and shouldn’t hold you back.
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I’ve noticed a very minor micro stuttering with g-sync enabled. If you look straight up, walk forwards and pay attention to the edges of buildings to see it. Disappears once g-sync is disabled. Something I’ve tried on 4 PCs (all with different g-sync capable monitors). So I’d recommend disabling g-sync for Overwatch.
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Are you capping your frame rate at 141? Once it goes above 144 (or whatever your monitor’s refresh rate is) G-sync essentially ceases to function and it’s as if it’s not on at all.
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Yes - and it completely stops once g-sync is disabled. We did try tinkering with a bunch of different things (enabling v-sync in the nvidia control panel, enabling in game, enabling both, neither, various refresh caps, graphics pre-sets, 120 hz g-sync, etc.) and it persisted in all cases. Most testing on my own system with an Acer Predator XB241H.
g-sync works as expected on all other titles (except the Division 2, where it caused 100% CPU utilisation)
Kind of, once you turn it on, you will never turn it off.
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Gotcha, monitor’s all good then. You most likely aren’t going to be able to maintain a frame rate near 144 with the 3GB version of the 1060 unless your drop your settings down. I would suggest doing this
-Set render scale back to 100%
-Drop all settings to the minimum
-Enable G-sync
-Make sure V-sync is disabled
-Cap your frame rate at 141
From there play some quick play and see what you’re getting for frames and if your maintaining a constant 141 slowly up adjust your settings until you get to the best you can while still maintaining that frame rate.
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my settings are already dropped all the way down lol
I can get 160fps, but once I get into heavy team fights it can plummet to 90fps
oh well, I’ll give it a shot, thank you 
I did exactly what you said and it look amazing! thank you. One more question, during heavy team fights my fps drops down to 120fps. Should I cap my fps at that? or does it really matter if it fluctuates between 120 and 141? Thanks.
Awesome, glad to hear it! And nope, you’re fine to leave it capped at 141. It won’t cause any issues if it fluctuates between 120 and 141, we just don’t want it to go above 141. Have fun!
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make sure you overclock your cpu and gpu to the max.
check you ram is running at advertised speed and not lower.
make sure you have enough v ram.
optimize you game settings and nvidia settings.
look up guides on how to do all that stuff.
I’m not going to do that