Look closely at the Sandy Bridge core real body

Sandy Bridge processor I believe everyone has seen it, whether it is on the computer screen or in their own hands, but that is the way they look after the package, would like to see hidden inside the core (the term is called Die)?

First of all, the Sandy Bridge processor has three cores: four cores, dual cores plus GT1 graphics cores (6 EUs), dual cores plus GT2 graphics cores (12 EUs), all manufactured in 32nm process, but The number of transistors and the area of ​​the core are all different.

Pictures from left to right are Sandy Bridge dual core plus GT2, Sandy Bridge quad core, and the previous 32nm Clarkdale dual core plus 45nm HD Graphics graphics core.