Graphics performance - Edge Beta

I have a Threadripper 3970 with 128GB of RAM and a AIT Radeon 6900 XT with the latest drivers. I start playing Valheim and everything is going well in terms of frame rate. When I start Microsoft Edge, even with the vanilla start page, the frame rate drops so much I cant play any longer. If I close Edge, everything is back to normal. The sake thing if i use Twitter (PWA). Any suggestion how to handle this? Its no problem running Visual Studio and comping something while playing.