How important is stable FPS for smooth recordings and streams?

marguhl

New Member
Hi everyone,

I’ve been trying to figure something out regarding gameplay recordings and livestreams, and I’d love to hear your thoughts or experiences.

One thing I’ve consistently noticed: recordings made while playing at a stable 120 FPS in-game just look noticeably smoother to me. Even though I’m recording and streaming at 60 FPS, there’s a clear difference when the game runs at a consistent high framerate—those clips feel more fluid and natural.

The issue comes when I’m playing games that don’t hold 120 FPS steadily. For example, in Warzone or modded Minecraft (which is very CPU-heavy), I often see FPS fluctuating—85, 93, 105, 110, etc. OBS stays locked at 60 FPS, but the recording sometimes feels stuttery or inconsistent, and I’m trying to understand why that happens.

I’ve read that smoother recordings come when your in-game FPS is a clean multiple of your output FPS—like 60, 120, or 180 when streaming at 60. But how much of that is true in real-world scenarios?

To test this, I made a comparison video. In the beginning, I show Hunt: Showdown and Warzone running at stable frame rates. One section runs at a locked 120 FPS, another stays around 90–93 FPS. Finally, I purposely turned up Warzone’s settings to cause unstable FPS and see how that affected the capture. I wanted to find out if it's really the fluctuation that makes recordings feel less smooth—even if the average FPS is still relatively high.

Here’s the test video:

I’d love to hear your thoughts after watching.

These are the key questions I’m trying to answer:
Do varying in-game FPS values really impact the smoothness of a 60 FPS recording or stream?

How would you rate the smoothness of the test footage I provided?

Is there a way to improve this?

Could this be caused by something in my dual PC setup?

What do you think other streamers do? I often see their FPS dip below 120 too, but their streams usually still look fine—or is that just my perception?

My setup:
I use a dual PC setup

Gaming PC: RTX 3080

Streaming PC: RTX 4060 Ti

Capture card: Elgato 4K X with passthrough

HDMI from gaming PC → Elgato input

Elgato HDMI output → 144Hz monitor

USB-C from Elgato → Streaming PC

All monitors are capped at 120Hz to prevent mismatches and maintain visual consistency

I stream and record at 1920x1080 @ 60 FPS in OBS

The capture card resolution in OBS is set to 2560x1440 @ 60 FPS

discord name: marguhl
 
Last edited:

prgmitchell

Forum Moderator
Yes, capping your FPS at something that is an interval of 60 and you are getting at all times will result in smoother recordings. You can do this in any game if you lock your FPS with the nvidia control panel or other software that lets you do this like rivatuner.
 
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