Fallout 4 FPS Weirdness

Redrooster · April 11, 2019

Okay, so i am able to run gta V and sekiro on ultra settings at 1080p and get a solid 60fps, but for some reason while I'm near the Trinity Tower in Fallout 4 i get ~26 fps

While I'm around the city i get 50-60fps with lag spikes

When I'm outside of the city i get a solid 60fps

My GPU usage caps at 40% and my cpu usage caps at 70%. What's going on?

mariushm · April 11, 2019

The game uses an old, outdated game engine that bethesda kept adding patches and fixes to it and small improvements over time... it's not unrealistic to have very poorly optimized locations in the games.

Seems you're not the only one with this problem:

Seems to be something related to shadows in game... and there's some mods that attempt to fix the issue, if you check various threads.

jones177 · April 12, 2019

If you have a Nvidia video card and a Freesync monitor that can do it. My game runs at 30fps with Freesync on and 60(vsync) with it off.

When the game came out I played with an i7 2600k and a GTX 980 ti at 60fps at 4k. By the time all the DLCs came out I could only maintain 60fps at 1440p. Adding mods made it worse.

Now my modded game struggles to maintain 60fps 4k with the hardware I have now.