Sự khác biệt chính giữa RAM DDR4 và DDR3
Physically, a DDR4 module, looks very similar to a DDR3. However, DDR4 has 288 pins compared with DDR3’s 240 pins; DDR4 SO-DIMMS have 260 pins instead of 204 in DDR3.
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First of all, a DDR3 laptop RAM module can’t physically fit into a DDR4 laptop RAM slot and vice versa.
Sự khác biệt giữa RAM DDR2 và DDR3
Due to the RAM technology, the DDR4 RAM will PHYSICALLY not fit in DDR3 slots.