HP AMD Phenom II X2 N640 vs HP AMD Sempron SI-42

Key differences

The HP AMD Phenom II X2 N640 has 1.8 GHz more processor base frequency than the HP AMD Sempron SI-42 (3.9 GHz vs 2.1 GHz). The HP AMD Phenom II X2 N640 has 1 more processor cores than the HP AMD Sempron SI-42 (2 vs 1). The HP AMD Sempron SI-42 has 20 nm more processor lithography than the HP AMD Phenom II X2 N640 (65 nm vs 45 nm). Only the HP AMD Phenom II X2 N640 has AMD Virtualization Technology. Processor family: AMD Phenom II on the HP AMD Phenom II X2 N640, AMD Sempron on the HP AMD Sempron SI-42.

• Processor family
  • AMD Phenom II X2 N640:AMD Phenom II
  • AMD Sempron SI-42:AMD Sempron
• Processor model
  • AMD Phenom II X2 N640:N640
  • AMD Sempron SI-42:SI-42
• Processor base frequency
  • AMD Phenom II X2 N640:3.9 GHz
  • AMD Sempron SI-42:2.1 GHz
• Processor cores
  • AMD Phenom II X2 N640:2
  • AMD Sempron SI-42:1
• Processor lithography
  • AMD Phenom II X2 N640:45 nm
  • AMD Sempron SI-42:65 nm
• Processor cache
  • AMD Phenom II X2 N640:1 MB
  • AMD Sempron SI-42:0.512 MB
• Thermal Design Power (TDP)
  • AMD Phenom II X2 N640:35 W
  • AMD Sempron SI-42:25 W
• AMD Virtualization Technology
  • AMD Phenom II X2 N640:Yes
  • AMD Sempron SI-42:No