G-SYNC 101: Hidden Benefits of High Refresh Rate G-SYNC


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Often overlooked is G-SYNC’s ability to adjust the refresh rate to lower fixed framerates. This can be particularly useful for games hard-locked to 60 FPS, and has potential in emulators to replicate unique signals such as the 60.1Hz of NES games, which would otherwise be impossible to reproduce. And due to the scanout speed increase at 100Hz+ refresh rates, an input lag reduction can be had as well…

Blur Buster's G-SYNC 101: Input Lag & Optimal Settings

The results show a considerable input lag reduction on a 144Hz G-SYNC display @60 FPS vs. a 60Hz G-SYNC display @58 FPS with first on-screen reactions measured (middle screen would show about half this reduction). And while each frame is still rendered in 16.6ms, and delivered in intervals of 60 per second on the higher refresh rate display, they are scanned in at a much faster 6.9ms per.



2431 Comments For “G-SYNC 101”

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elexi
Member
elexi

Thanks for this Guide!
i already use gsync on + vsync on + 141 FPS LOCK on 144 hz screen.
some questions:
1) I often play VR games. Does Gsync + vsync combo somehow affect VR performance?
2) Is it combo good for Gsync-compatible screen, like mine LG UltraGear 27GL83A-B ?
3) And should i use LLM On or should i set in on AUTO (now i play with auto)? I mostly play non cybersport dx12/vulkan games
4) Does DSR DLDSR tech affect gsyncvsync combo and lag?

CorvusCorax
Member
CorvusCorax

I have read the entire guide. However, I have one question that is bothering me and I can’t find a reasonable answer anywhere. I have a monitor with a refresh rate of 240Hz, but I can’t use G-Sync. What happens if I set the frame limit to e.g. 100fps and turn on V-sync?

richardjohnsonfa
Member
richardjohnsonfa

If I have a amd gpu and freesync monitor, shall I follow your optimal settings but using freesync instead of g sync and amd chill fps limiter 3 fps under my monitors refresh rate instead of nvcp’s fps limiter. So it would essentially be freesync (using amd software) + v sync (using amd software or in game) + -3 fps below refresh rate limiter (using amd software, i.e. amd chill, or in game). Would it work the same as in your optimal settings? Thanks jorimt 🙂

Scandaal
Member
Scandaal

What do I need to set in the NVCP display settings if I use G Sync, I have an ASUS VG248QG 165HZ monitor.

At the moment I have No Scaling + Display set

Scandaal
Member
Scandaal

Hello I play WarZone 2 and I am interested in the G SYNC + V Sync setting, I currently have G Sync and V Sync enabled (In NVCP), also I enabled NVIDIA Reflex in the game settings and now my FPS is limited to 158fps (Monitor 165hz).

Can you tell me the optimal G Sync settings for this game, maybe there are better options to get optimal smoothness without frame tearing and micro staters

RTX 3060 / 12400 5Ghz / 3466 CL14

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