The document summarizes the key differences and improvements between AMD's "Bobcat" and "Jaguar" CPU cores. "Jaguar" features over 10% higher core frequencies, over 15% higher instructions per clock, double the core count from two to four cores, and a larger shared 2MB L2 cache compared to "Bobcat's" 512KB per core cache. "Jaguar" also includes additional instruction sets, a larger 40-bit physical address capability, and a 128-bit floating point unit providing better performance and capabilities than "Bobcat".