The difference between DDR3 and DDR4 RAM

The difference between DDR3 and DDR4 RAM ddr4 in ddr3 slot Netac Basic DDR3 4GB 1600MHZ Desktop RAM Capacity: 4GB; Frequency: DDR3 1600MHz; Form Factor: 240-Pin UDIMM ; Transcend JetRam 4GB DDR4 3200MHz U-DIMM Desktop ddr4 sodimm slot DDR3 and DDR4 laptop memory are not compatible interchangeable First of all, a DDR3 laptop RAM module can't physically fit into a DDR4 laptop

ddr4 sodimm slot DDR4 DDR4 3200 DDR4 2933 DDR4 2667 DDR4 2666 DDR4 2400 DDR4 2133 DDR3 DDR3 2400 1 Slot 1x288pin Others 12x288pin 6x240pin line_back

ddr4 in ddr3 slot slot Finally, DDR5 has 288 pins as DDR4 does but is keyed differently so that DDR3 DDR4 DDR5 FIGURE DDR4, DDR3, and DDR2 DIMMs FIGURE DDR3  DDR4 DDR4 3200 DDR4 2933 DDR4 2667 DDR4 2666 DDR4 2400 DDR4 2133 DDR3 DDR3 2400 1 Slot 1x288pin Others 12x288pin 6x240pin line_back