List of AMD Athlon X2 processors

The AMD Athlon X2 processor family consists of processors based on both the Athlon 64 X2 and the Phenom processor families. The original Athlon X2 processors were low-power Athlon 64 X2 Brisbane processors, while newer processors released in Q2 2008 are based on the K10 Kuma processor.

Energy-efficient 'BE' series

 * All models support: MMX, SSE, SSE2, SSE3, Enhanced 3DNow!, NX bit, AMD64, Cool'n'Quiet, AMD-V

Energy-efficient 'e' series

 * All models support: MMX, SSE, SSE2, SSE3, Enhanced 3DNow!, NX bit, AMD64, Cool'n'Quiet, AMD-V

Business-class 'B' series

 * All models support: MMX, SSE, SSE2, SSE3, Enhanced 3DNow!, NX bit, AMD64, Cool'n'Quiet, AMD-V

"Kuma" (B3, 65 nm)

 * Chip harvests from Agena with two cores disabled
 * All models support: MMX, SSE, SSE2, SSE3, SSE4a, ABM, Enhanced 3DNow!, NX bit, AMD64, Cool'n'Quiet, AMD-V
 * Memory support: DDR2 SDRAM up to PC2-8500

"Regor/Deneb" (C2, 45 nm)

 * Some 5000 series processors are chip harvests from Propus or Deneb; All 5200 series chips are harvests, each has two cores disabled
 * All models support: MMX, SSE, SSE2, SSE3, SSE4a, ABM, Enhanced 3DNow!, NX bit, AMD64, Cool'n'Quiet, AMD-V