Centrino is an Intel CPU type, Penryn is a Centrino, the Newly made Centrino 2 Intel processor is supporting graphics in a new stronger way, perfect for mobile gaming.
Answer to your question...
A swing and a miss...It is not a mobile CPU, it refers to a combination of mainboard chipset, mobile CPU and wireless network interface.
The CPU = 2.53 GHz (T9400) Intel Core 2 Duo Penryn