The GMCH
Pre-fetch - a component of the pipeline interfaces with the MCC (Memory Controller Chip) to get lines of code into the CPU
cu
cpu
Chipset and CPU define the type of memory.
cpu
memory circuits
adapter or CPU or hard drive or Memory.
Component... Hardware.... CPU.... Memory...
memory
The path between the CPU and the RAM has the highest bandwidth. Or rather, the CPU to the memory controller, that is what's called the North Bridge. However, if you are looking at a single component then the CPU internal bandwidth is the tops.
CPU input units output units and primary memory
The only memory on the CPU is cache memory and it is only dependent on the CPU type and generation you use.