all of the above can happen. smaller transsistors give you room to put more transistors on a chip or reduce the power. One can do a mix also. So vendors choo

all of the above can happen. smaller transsistors give you room to put more transistors on a chip or reduce the power. One can do a mix also. So vendors choose what is going to happen. In the competition between Intel and AMD I see that Intel only wins on one point: single thread performance. So to compete better AMD will do its utmost best to improve their single thread performance.