Generally speaking the "defaults" in the Nvidia control panel are pretty good/fine I think.
Other than that stock settings should typically be fine though I think - if you're going to use Nvidia's control panel sharpening then you may also want to check their GPU scaling checkbox globally under the sharpen tab (then I enable sharpening on a per game basis if I like the way it looks) since that "may" mean Nvidia sharpens the image post scale instead of pre scale, but I'm not entirely sure since no one's tested that as far as I know. Still, if you're playing at 4K with the 3080 you shouldn't be CPU bound I don't think - at 1440p even you would be sometimes though since in those DF videos they found they were still running up against cpu limits in some titles with a 3900X and 2080 Super if I recall correctly. Being CPU limited can be a nasty thing since you won't get full utilization of the GPU and you can get CPU bound microstutter as confirmed by Digital Foundry in some of their videos (like one of their 2080 S reviews and their 3900X review iirc). The default may not be a bad choice though as latency is even more critical in VR titles from what I gather though CPU prerendering has more pros than cons if you're CPU bound going off of posts like CaptaPraelium's FFR write up on the Battlefield V sub for example, but if you're always GPU bound then you can reduce latency by not prerendering. The other thing to change if you have G-Sync is to enable nvidia control panel v-sync to ON while turning in game v-sync OFF inline with the blurbuster's g-sync guide (control panel v-sync on globally, v-sync off in game, plus an fps limiter 3 or 4 frames beneath monitor refresh with either rtss, the driver limiter, or an in-game/in-engine limiter so you don't run into the g-sync ceiling - basically the tldr is that v-sync does something different with g-sync on unless you're hitting the g-sync ceiling where standard v-sync engages - look up the article for more on why this is done).Īdditionally I personally set the "prerendered frames setting" for VR games to "Let the 3D application decide" then if I need to change it I do so on a per game basis same as the Low Lag settings which I leave off unless it's a per game thing. I've personally started switching on the G-Sync ON for windowed and fullscreen mode which is not the default (it's fs only by default) as I've not seen issues with it on the most recent drivers (I did have issues with it in the past though so perhaps some game's still exhibit problems in windowed mode + G-Sync, i'm not entirely sure). Typically the default control panel settings are mostly fine, but in particular do you have G-Sync?
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