There were some claims about undervolting Ryzen 3000 improving performance, results are mixed:
Web:
https://www.gamersnexus.net/guides/3494-amd-ryzen-3000-undervolting-offset-override
Video:
Web:
https://www.gamersnexus.net/guides/3494-amd-ryzen-3000-undervolting-offset-override
Video: