Each type of RAM
Today most computers are already using DDR3 Memory type (some types of DDR2). Prior to 2002, may still be quite a lot of computers that use memory type Single Data Rate (SDR) SDRAM. But after that, its use is being replaced by a Double Data Rate (DDR), from the DDR (DDR1), DDR2 and now DDR3 which is widely circulated. DDR is theoretically capable of performing a transfer rate of 2X faster than SDRAM.
Each type is a development of earlier and later versions generally have a higher data rate and requires a lower power. In theory DDR2 2x the data rate has the same specifications than the DDR (DDR1). DDR3 also has the advantage over DDR2, such as higher bandwidth, latency is superior, higher performance on the power / lesser power, and better for low-power devices such as laptops.
Each type of RAM are not mutually compatible and designed with a different slot. For more detail and depth about the specifics of each type can see the information on wikipedia, on DDR, DDR2 and DDR3
Each type is a development of earlier and later versions generally have a higher data rate and requires a lower power. In theory DDR2 2x the data rate has the same specifications than the DDR (DDR1). DDR3 also has the advantage over DDR2, such as higher bandwidth, latency is superior, higher performance on the power / lesser power, and better for low-power devices such as laptops.
Each type of RAM are not mutually compatible and designed with a different slot. For more detail and depth about the specifics of each type can see the information on wikipedia, on DDR, DDR2 and DDR3
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