Quote Originally Posted by JF-AMD View Post
So Lisbon and Thuban are different. I am not aware if this is a different mask or a fusing option. My gut would tell me a mask difference because they don't want HT Assist (it's really not of value for single processors).

We will all use the same cores and memory controllers, but there are distinct difference. Based on the feature sets, that would lead me to guess that they are different masks. But I don't work in development so I can't say for sure.
HT Assist, as I recalled somewhere, can be turned on or off by BIOS.
So no big deal.

Using different mask will be a huge waste.
Even Intel does the same thing (server / mobile / desktop - 1 mask for all).