Key difference between DDR4 and DDR3 RAM

a DDR4 module, or DIMM, looks very similar to a DDR3 DIMM However, DDR4 has socket Applications for DDR4

Connectors Memory Connectors Memory Socket Connectors DIMM Connectors · Number DIMM Connectors DDR4 SODIMM 260P STD TE Connectivity Alcoswitch

ddr4 and ddr5 same slot Q: Is it compatible with stock hynix ram in my Asus TUF 505dy · Q: Can this ram work with HP15s-fq2071TU intel core 1135G7 and does the laptop has 2 slot ram

ddr4 sodimm slot 16GB RAM expandable upto 24GB using 1x DDR4 SO-DIMM slot; Storage: 512GB NVMe PCIe SSD expandable using 1x