I think you might’ve done what I did. I also upgraded to a 5800X3D. I had issues until I cleared my CMOS. Try clearing your CMOS. Everything was just ducky after I cleared my CMOS and updated BIOS.
Ryzen 7 5800X3D, MSI B550 Tomahawk, XFX RX6950XT WB edition, 64G 3600 G.Skill Ripjaws V