Difference Between DDR3 and DDR4

CPU Socket All, SP6, SP5, SP3, G34, FT3, C32, AM5, AM3+ Socket Count All, 1P DDR4, DDR3 Memory Channels All, 12, 8, 6, 2 System Memory Specification

Attempting to insert DDR4 RAM into a server motherboard designed for DDR3 is not feasible, just as DDR3 cannot fit into a DDR4 slot DDR3 vs

ddr4 slot slot: ChannelA-DIMM1 *-bank:2 description: DIMM DDR3 Synchronous 1600 MHz product: vendor: Conexant

ddr4 vs ddr5 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