Can't think of an example with CPUs, but you could unlock an AMD 6950 to a 6970[1]. Some brands would actually add features to help do this. [1] https://www.te

Can't think of an example with CPUs, but you could unlock an AMD 6950 to a 6970[1]. Some brands would actually add features to help do this. [1] https://www.techpowerup.com/articles/overclocking/vidcard/159 https://www.techpowerup.com/articles/overclocking/vidcard/15...