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Pemalite said:

In the Xbox One X's case it was also a product of ditching the ESRAM which took up a massive percentage of the chips transistor budget.
Xbox One @ 28nm was 363mm2.
Xbox One S dropped that to 240mm2 @ 16nm.
Xbox One X brought it back up to 359mm2 @ 16nm.

Keep in mind that 16nm is derived from a 20nm process, so it's more like a half node shrink from 28nm rather than a full one.
Next Gen will start off with 7nm (Which isn't a true 7nm process, more like 10nm Intel equivalent) and then probably get a half step to 5nm, which should be market ready in just a few years with some luck.

 

Oh I didn't know that. Always suspected though with the 16nm thing as I would have expected a full shrink of 28nm to be 14nm. 

But now the 7nm thing is totally new to me. Isn't that flat out lying to market a 10nm "half shrink" as a full on 7nm process?