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.



594 Comments For “G-SYNC 101”

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hobbitwho
Member
hobbitwho

If my cpu is the bottleneck (in some games it is sadly) should i still follow this guide? (i’ve a 240hz, i set the frame limit to 237 in the game that caps my CPU and i’ve set low latency to “on” (1 pre-rendered frame)
i5 8600k @4.8ghz
RTX 2070

CrystalUnclear
Member
CrystalUnclear

How did you get NVCP V-sync to work in Windowed/Borderless modes? I’m on Windows 7 and I’ve tried disabling Aero, and it still can’t be forced.

BlackStorm82
Member
BlackStorm82

Hello. Sorry for frequently asking questions
Low Latency Mode Ultra
Is prerendering “0” correct?

G-Sync + V-Sync + Low Latency Mode Ultra
Is prerendering limiting the frame to “0”?

On this site
Gsync + V-Sync + Low latency Mode Ultra
Is it correct to add a frame limit to pre-rendering “1”?

If so, is it correct to write Gsync + V-sync off + Low latency mode Ultra to use pre-rendering as “0”?

Zehdah
Member
Zehdah

If I get a 240 Hz monitor, like the BenQ ZOWIE XL2546, should I still be using the method above (Gsync on, Vsync off in game, on in control panel and cap FPS to 237 with RTSS) or should I uncap my framerate with Vsync and Gsync off? The reason I ask is a lot of pros in FPS games such as Apex, Siege, CSGO, seem to do the latter and I can’t understand why, unless G-sync isn’t available on those monitors, but I read that G-sync is available on freesync monitor’s now with 10xx and above cards, am I wrong? Greatly appreciate any input!

DanWensing
Member
DanWensing

Which one has the lowest input lag?
1. Gsync + Vsync + Low Latency Mode at Ultra (no fps limit)
2. Gsync + Vsync + NVC/RTSS fps limit (3fps below Refresh rate)

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