I have the same, I changed some settings, then went onto desktop and it actually fixed the framerate problem. Thing is, I can't get it to work again now :(. I'll report back if I get it fixed again and how i did it.
EDIT: Only twice have i gotten to work, first time I changed settings back and forth, then went out and validated my cache, which fixed it. Then it reverted back to this problem after I played the game again some hours later. I changed settings and it fixed it somehow. Now none of these things fix the problem.

EDIT again: I got it to work. Here are some of things i did:
in brink config file, I changed r_renderthread to "2" instead of "0".
I also had the dlc, agents of change installed, I pressed to uninstall it only to reinstall it again, which would make the game download files again. I also unclicked steam overlay only to later switch it back on.
All of these could have contributed to my game suddenly being stutter free, running smoothly and having all settings to high with no issue.

引用自 Sivarg ∞：

EDIT again: I got it to work. Here are some of things i did:
in brink config file, I changed r_renderthread to "2" instead of "0".

This worked for me. Game runs really good with no stuttering around 45-60fps. :)
thanks.

引用自 LAPDAlonzo：

引用自 Sivarg ∞：

EDIT again: I got it to work. Here are some of things i did:
in brink config file, I changed r_renderthread to "2" instead of "0".

This worked for me. Game runs really good with no stuttering around 45-60fps. :)
thanks.

glad to hear

little late, but you can reduce the affinity to 4 cores and that solves that issue as well. honestly can't remember if it's 4 cores or just 1. But you can test with the game running so no real issue.

In a video from the YouTuber Kevduit (https://youtu.be/QKtw7cXUOfs?si=wfiqAg_x-RNC2rSM&t=354, timestamp included), they solved this problem by simply opening the Steam Overlay - after you close it, the game runs normal. Worked for me too!