Didn't AMD disable cores on chips that were enabled and the exact same chips branded higher end? [0] I know the explanation in some cases were that they didn't

Didn't AMD disable cores on chips that were enabled and the exact same chips branded higher end? [0] I know the explanation in some cases were that they didn't pass QC, but I also never came across stories of widespread problems when these cores were reenabled by end users. If Intel is playing games here, I'm not sure they're unique to Intel. [0] https://www.techradar.com/news/computing-components/processors/how-to-unlock-the-phenom-s-fourth-core-618501 https://www.techradar.com/news/computing-components/processo... [1] partial list of prior unlockable AMD chips: https://docs.google.com/spreadsheets/d/19Ms49ip5PBB7nYnf5urxsySvH-Sdy6liE2EBDaB8b54/htmlview https://docs.google.com/spreadsheets/d/19Ms49ip5PBB7nYnf5urx...