Major performance problems after AUG 19 update.

OperationDx​  Please provide a dxdiag.  Click Windows key-R, enter dxdiag in the run box, wait for the scan to finish, click "Save all information," and save the file to your desktop.  From there, you can attach it to a reply using the paper clip (Attachment) icon included with the other formatting buttons.

Please also try editing GraphicsRules.sgr, or rather a copy you put in Documents > Electronic Arts > The Sims 4 > ConfigOverride, to change these settings:

Camera movements very choppy since BH patch | EA Forums - 12185589

Let me know whether that helps.

And if what you're seeing is not what that thread describes, please provide more details, or perhaps a screen recording, to illuminate the issue.  I've never heard the term "micro lag," so I can only guess as to what you're seeing based on the experience of others on high-end machines.

After taking a day off not wanting to deal with this problem.

I switched to Direct X 9 after reading through the forums and I'm no longer having performance issues. I would not consider this a fix but for now it works.