What are the top differences between DDR4 and DDR5?

DDR5 RAM on AM5 fails to POST with all 4 slots occupied ddr5 slot compatible with ddr4 No The sticks are physically different DDR4 wont fit in a DDR5 slot and vice versa ddr5 slot compatible with ddr4 DDR4 and DDR5 are not compatible, as they are different memory technologies DDR4 motherboards are designed to support DDR4 memory modules, and DDR5 graphics

ddr5 in ddr4 slot DDR5 isn't backwards compatible, though, and you can't slot DDR5 memory kits on motherboards that only support DDR4 either That means you