A lot of it is presumably binning [0]. They make a bunch of CPUs and check each to find the number of defective cores and the max clock speed it can run at befo

A lot of it is presumably binning [0]. They make a bunch of CPUs and check each to find the number of defective cores and the max clock speed it can run at before malfunctioning, then slap on the appropriate product number for that combination. [0]: https://www.techspot.com/article/2039-chip-binning/ https://www.techspot.com/article/2039-chip-binning/