IPC cannot scale better than linearly with freq.It only can go lower(due to various reasons).The point is the platform(all around) was not final,and this is backed up with his statement that in week time they saw a good improvement(measurable,not 5%) with new samples and boards.

PS This is going nowhere, to be frank.The whole thing cannot be discussed since we actually know nothing about the stage of readiness of the whole systems used(AT's and from the dude from coolaler's forum)