What is the difference between DDR5 and DDR4?

What is the difference between DDR5 and DDR4? ddr4 vs ddr5 slot While the Alder Lake memory controller supports both DDR4 and DDR5, the modules are fundamentally different in terms of architecture and power ddr4 sodimm slot 2-Slot Thermal and Power Specs Maximum GPU Temperature 94 Maximum Graphics Card Power 120 W Minimum System Power Requirement 400 W

ddr4 sodimm slot In this short, we explain that you cannot install DDR5 memory into a DDR4 slot As an obvious

ddr4 in ddr3 slot *Please refer to CPU support list for details Chipset - AMD B550 Memory - Dual Channel DDR4 Memory Technology - 4 x DDR4 DIMM Slots DDR4 DDR4 voltage is managed by MB with wide range Native DDR5 Secure Mode MB provides fixed 5V to Native DDR5 memory and built-in PMIC outputs locked