The chip comprises 84 identical dies arranged in a grid of seven by twelve. Each die is roughly 510 mm² with slightly over 4,774 integrated tiny AI core. Cerebras says that there is 1-1.5% of additional AI cores for redundancy reasons which we will touch on in a bit more detail later on. With 84 dies, you are looking at over 400,000 AI cores per chip.
From the article: