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Basically none at all.

I haven't checked in a while but for client there's basically two die masks. In 13th and 14th gen half the SKUs were 12th gen masks.

Mobile is either the same as client or a smaller mobile efficiency die, but only one mobile mask.

For server there's just E cores and P core tiles. The limitation is packaging not fab.

The SKU is just fuses and written at validation after binning.

ECC everywhere would be a far better excuse for enterprises to upgrade their old PCs that 'AI PCs'



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