San Diego

From Extreme Overclocking

Features

MMX, SSE, SSE2, SSE3, 3DNOW! Professional

Silicon on insulator (SOI)

1MB L2 Cache

Socket 939 (s939)

Available in 3700 and 4000 variants. Also, newer FX-55s, all FX-57's and all socket 939 opterons use sandiego cores.

90nm process.