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Intel have been binning high core count dies for decades, that's how the Xeons (and the i3/i5/i7s) are differentiated. Previously the LCC/MCC/HCC/XCC definitions were a bit arbitrary and shifted with each generation, but with the switch to a mesh fabric from the ring bus topology they are mostly constrained to 'set' X*Y core counts (integer counts minus interface blocks, aspect ratio can't be too high or inter-block IO is constrained). The current lineup of LCC/HCC/XCC could just be called MCC/HCC/XCC or LCC/MCC/HCC and the situation would be the same.