Tom's hardware, you be the judge. In beta right now.
3900x was hitting excess of 4.6ghz with a caveat.
https://www.tomshardware.com/news/amd-ryzen-3000-boost-frequency-bios-fix-agesa,40359.html
3900x was hitting excess of 4.6ghz with a caveat.
https://www.tomshardware.com/news/amd-ryzen-3000-boost-frequency-bios-fix-agesa,40359.html