Goodram 2GB DDR vs Goodram 4GB DDR2

Key differences

• Internal memory
  • 2GB DDR:2 GB
  • 4GB DDR2:4 GB
• Memory layout (modules x size)
  • 2GB DDR:2 x 1 GB
  • 4GB DDR2:2 x 2 GB
• Internal memory type
  • 2GB DDR:DDR
  • 4GB DDR2:DDR2
• Memory form factor
  • 2GB DDR:184-pin DIMM
  • 4GB DDR2:240-pin DIMM
• CAS latency
  • 2GB DDR:3
  • 4GB DDR2:5
• Memory clock speed
  • 2GB DDR:400 MHz
  • 4GB DDR2:800 MHz
• Memory voltage
  • 2GB DDR:2.6 V
  • 4GB DDR2:1.8 V
• Module configuration
  • 2GB DDR:64M x 8
  • 4GB DDR2:256M x 8