2.1 Share this: Difference Between DDR3 and DDR4 ram DDR3 ram DDR4 ram DDR3 has 240 pins DDR4 has 288 pins There is normally 240 pins only There is a Gold rectangle in the center of pins The hole in the pin of DDR3 is not the same as the hole in the pin of DDR4 The hole in the pin of DDR4 is not the same as the hole in the pin of DDR3 DDR3 has a maximum of 16GB of memory DDR4 has no limit of maximum memory DDR3 some slower than DDR4 ram DDR4 faster than DDR3 ram