The Deschutes core Pentium II (80523), which debuted at 333 MHz in January 1998, was produced with a 0.25 µm process and has a significantly lower power draw [REF].
While Klamath features 4 cache chips and simulates dual-porting through interleaving (2x 64-bit) for a slight performance improvement on concurrent accesses, Deschutes only sports 2 cache chips and offers slightly lower L2 cache performance at the same clockspeed.