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Topic: Nvidia Frame Gen and microstuttering

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DrDoctor

Has anyone experienced microstuttering w/ certain titles using NV's frame gen? I get this on FF7 Rebirth kinda badly. I end up preferring Lossless Scaling on Adaptive Frame gen to keep motion smooth at 240hz.

I fully recognize that FF7 rebirth is NOT a well-optimized PC game. However, LS's frame gen tends to have far less microstutter in most situations just judging by feel.

DrDoctor

Polyh3dron

FF7 Rebirth's frame gen actually works pretty well for me on my 5090 at 2x. It's unusable for me in Arc Raiders though, because the GUI elements that move such as pinged items and locations appear to be quite unstable when they move. I don't know if this is a thing that's unique to Unreal Engine's implementation of frame gen or what, but it seems to be exacerbated by the increase of the frame gen multiplier.

Polyh3dron

sloppysnek

I got pretty good results with Cyberpunk, AC Shadows and Avatar Frontiers of Pandora on my 5070ti. Cadence seemed pretty consistent. The main detriment for me is the UI elements, particularly on AC Shadows as I do get some distracting artefacting around UI elements that use a background blur effect (which is a good chunk of them). Latency wise, I'm actually kinda shocked how good it is, I don't even notice it on a pad.

I haven't used it on a multiplayer game yet, I might give it a whirl on The Finals. Game already runs like butter, but might let me bump up the GI quality a little.

sloppysnek

CorporalHicks

I can easily notice microstuttering and judder with software FG methods (LS FG / FSR FG), but I never saw that with with ML powered DLSS FGx2 on my RTX4080S and gigabyte 4K 240Hz QD-OLED monitor. In some games, I thought that maybe DLSS FG introduced stuttering. However, when I turned FG off, I still saw stuttering. This means that FG wasn't responsible for that stuttering. Also, if game has stuttering (like Jedi Survivor) I even think that enabling DLSS FG makes that stuttering a litte bit less noticeable.

My settings:
-Vsync forced on in NvCP. DLSS3 FG had problems with Vsync (additional 100ms input latency), but based on my testing, DLSS4 FG no longer has this limitation and IMO it works even better with Vsync.
-low latency mode set to ultra and Gsync set to both full-screen and windowed apps. With the low latency mode on a 240 Hz monitor, the framerate is limited to 225 fps.
-Additionally, I like to limit the framerate with RTSS (set to "reflex limiter" mode) to 222 fps to reduce lag even more.

With these settings, I get perfectly smooth motion during slow or fast camera panning with DLSS FG. I don't notice the slightest judder or microstutter and I played something like 20-30 games with DLSS FG.

[Edited by CorporalHicks]

CorporalHicks

Kashmir74

I noticed that in other games and it's related to Reflex for me as FG automatically locks Reflex On in most games. Reflex tends to make the frame time graph more microstuttery as the CPU can't queue frames.

Kashmir74

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