The DDR3 RAMs were very successful and it was able to serve the users with a stable, quality performance. After serving for a long period the era of DDR3 RAMs comes to a near end. With the increasing demands of processing speed, the developers had introduced a double data rate (DDR) RAMs.ĭDR3 RAMs are the version 3 of double data rate RAMs and DDR4 RAMs are of version 4. In a computer, RAM is the component which is directly related to the processing speed of the system. To cope with the demand of smart people this developing process must go on. What are differences between DDR3 and DDR4 RAM? Every peripherals of a computer are going through a continuous process of development. When you buy through links on our site, we may earn affiliate commission without any additional cost to you.