Need help to fix stuttering with a 13900K and 4090.

Astral85 · Aug 26, 2023

Since I recently purchased a Gigabyte Gaming 4090 OC I've been experiencing stutters in my games, namely A Plague Tale Requiem and Atomic Heart. Just this weekend I swapped out my Adata SX8200 1TB games drive for a 2TB Samsung 990 Pro. I've installed only Atomic Heart to the new drive. The difference in Atomic Heart with the 990 Pro is quite remarkable, it feels smoother and a lot more responsive, however I'm still getting some annoying stutters. I've got the games graphics at the max preset using DLSS Quality, Frame Gen off and 120 fps cap. Monitor is an Alienware AW38 3840x1600 G-Sync enabled. I deleted the games shader cache so it would recompile. With A Plague Tale Requiem I'm running max graphics + RT with frame gen on. Requiem stutters a lot.

I tried running my board (Z790 Hero) at default settings which didn't have any effect on the stuttering. RAM is Dominator DDR5 6000. I have the latest Nvidia drivers and I always clean install with DDU. I run a few background programs like CUE 5, Logi G Hub and Sound Blaster Command. Soundcard is an X-AE5 on the boards PCIE 16 #3 slot. I have a number of productivity software's installed on my OS drive and two additional SATA SSD storage drives.

I'm not sure what else to do or what it could be. I'm thinking could it be something with the 2 year old OS installation and maybe it's time for a fresh install? However my OS is always up to date and I regularly run DISM clean up and repairs. Could it be some bad hardware? Maybe there is some BIOS configuration I'm missing or have wrong. Any thoughts or suggestions would be appreciated. I was hoping for a rocking experience with the 4090 so the stutters are a let down. Rest of system specs are in my sig.

HeadlessKnight · Aug 26, 2023

Never played Atomic Hearts so don't know. But as Requiem goes, the infamous stuttering is caused by the poor RT implementation, as UE4 was never intended for RT and the devs didn't update the game to the latest engine build which is said to fix most of the stutter, so disable it and it should run fine.

RodinaRU · Aug 27, 2023

That worked for me. Thank you!

s1rrah · Aug 26, 2023

No experience with Atomic Heart either (short of a brief investigation) but it played fine. Lots of experience with Requiem, however and it plays perfectly on a Z690-E/13900K/Strix 4090 build and at any setting (DLAA/DLSS/FG/FG disabled) ... that said, I've no clue what might be causing your issue.

Astral85 · Aug 27, 2023

Is there anything that needs to be set for frame gen to work correctly? Apparently frame gen automatically enables Nvidia reflex but also limits the fps 3-4 fps below the game fps limit. Why is that?

I tried running Atomic Heart tonight with frame gen only and no DLSS. FPS is 116 and smooth, but I notice that if the fps jumps past 116 fps to 120 fps that correlates with a stutter.

viki_zaiko · Aug 28, 2023

Don't install GForce experience, reset nvidia settings to default, use low latency mode set to ultra, vsync to on from the nvidia control panel, vsync off in games. The monitor will be capped few frames below on purpose.
Enjoy!

Astral85 · Sep 1, 2023

I'm still having issues, see the video footage I took:

Vici0us · Sep 9, 2023

Did you try turning off v-sync? Turn G-Sync off in Nvidia Control Panel (if it's enabled). Maybe try older Nvidia drivers and see if the games run any differently. If that doesn't help then if you are still able to.. exchange your 4090. It could your GPU since you "recently" upgraded it and started having stutters.

Need help to fix stuttering with a 13900K and 4090.

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