Performance instability in online games after new CPU & Mobo upgrade.

I recently had Geek Squad upgrade my PC with a new Motherboard, CPU, Ram. (x570 gaming edge wifi, ryzen 7 3800x) All drivers are up to date and fresh windows install. My computer stays connected to the internet fine. I am using an ethernet connection.

I Just had Comcast over this past week for an inspection and brand new modem, and they tell me everything looks fine. The internet speeds are at 550-600 mbps download, and 17-18 mbps upload. Every other device in my home works fine on this internet connection.

The problems come in online multiplayer games like Fortnite, Call of Duty, Apex, etc. I can play just fine for a few moments or couple minutes, then a few moments or couple minutes of lagging, and this cycle repeats. Some games have dedicated symbols for when its a connection issue which appears for me.

I played these same games before the upgrade and even though the FPS values were lower, the connection was stable and I could play without this issue.

Windows version 1909, OS build 18363.720.

Make sure you download latest graphics drivers directly from here: https://www.amd.com/en/support Windows Update might have found the drivers, but I don't trust it. I prefer latest official AMD drivers. You may also have to uninstall older drivers using the Display Driver Uninstaller (DDU) from here before you install newer drivers: download ddu

Maybe some applications fallback to low performance settings, but some of them could be configured with the new hardware, have a look at the menu for settings or options or preferences, whatever the applications have. Go to performance or advanced sections to find out if you can tweak anything to improve performance.