DDR5 vs DDR4 DRAM

So most likely there won't be any AM5 Motherboards with both DDR4 & DDR5 DIMM Slots on it since DDR4 and DDR5 are not compatible to each other

DDR5 also has the Same Bank Refresh function , allowing it to refresh one bank per group instead of all banks On-die ECC is

ddr4 slot vs ddr5 Hence, you shouldn't be able to insert a DDR4 module into a DDR5 slot, and vice versa, unless you want to risk breaking something The standards

ddr4 and ddr5 same slot The targeted memory speed is not guaranteed when DIMMs of different part numbers are connected within the same channel When mixed DIMMs