What are the advantages of DDR4 over DDR3?ĭDR4 modules are more energy-efficient, operating only at 1.2V compared with DDR3’s 1.5V or 1.35V. The following table compares the different DDR generations.
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How does DDR4 differ from other DDR generations? The pin count and key notch location for each DDR generation are different. This design also lowers insertion force, as not all pins are engaged at the same time during module insertion.įigure 1. The DDR4 key notch is in a different place, and the edge connector looks like a slightly curved “V” to facilitate insertion. However, DDR4 has 288 pins compared with DDR3’s 240 pins DDR4 SO-DIMMS have 260 pins instead of 204 in DDR3. Physically, a DDR4 module, or dual in-line memory module (DIMM), looks very similar to a DDR3 DIMM. How does DDR4 differ from DDR3 in appearance? Double data rate fourth generation (DDR4) is a memory standard designed as a better, faster, more reliable replacement for DDR3.
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