What is the difference between DDR-I and DDR-II

Question

What is the difference between DDR-I and DDR-II?

Answer 1

DDR2 is the successor to DDR RAM. DDR 2 incorporates several technological upgrades to computer system memory, as well as an improved data rate. It is proficient of achieving twice the data transfer rate of DDR-I memory because of its higher clock speed. It operates at a lower voltage than DDR-I as well that is 1.8 volts instead of 2.5 volts.