DDR3 vs DDR4 - Difference and Comparison

How to Identify RAM DDR1, DDR2, DDR3 and DDR4 ddr3 in ddr4 slot No, DDR3 and DDR4 are not cross compatible The physical sockets are different among other things like input voltage, pin count, etc ddr3 vs ddr4 slot For most consumers the choice will be simple because DDR4 is not backward compatible If your motherboard was designed for DDR3, then that's what you can choose

ddr3 in ddr4 slot Is DDR4 backward compatible with DDR3, DDR2 and DDR1? All DDR memories are mutually incompatible The DDR234 DIMMs can only be used on their respective DDR2