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What is the difference of DDR1, DDR2, DDR3

RAM (Random Access Memory) the computer to function as a means of data storage required to run the command processor computer users when using an application.

Until now there are three types of DDR RAM is DDR1, DDR2 and DDR3. Then what is the difference between DDR, DDR2 and DDR3?

Let's look at three different DDR RAM.

DDR1

DDR (double data rate) RAM memory that generation 1 is started using the technology double clock cycle. This is different from SDR (single data rate) RAM which is only capable of performing a single clock cycle. DDR RAM so it can transfer data twice as fast.
DDR RAM is there are several types such as DDR-200 (it has a memory clock of 100 MHz), DDR-266 (having a 133 MHz memory clock), DDR-333 (having a memory clock of 166 MHz) and DDR-400 (it has a memory clock 200 MHz) . The frequency of transfers that can be produced only between 200-400 MHz DDR1.

DDR RAM version 1 was developed from 1996 to 2000.




DDR2

DDR2 RAM has a clock cycle twice more. That is, his ability two times faster than DDR1. Stretched his memory clock from 100 MHz to 266 MHz. This type has a default name DDR2 DDR2-400, DDR2-533, DDR2-667, DDR2-800 and DDR2-1066. And frequency transfer between 400-1966 MHz.
DDR3

While DDR3 RAM, in terms of its memory clock to DDR2 is not much different that is from 100 MHz to 266 MHz. The difference lies higher transfer frequencies reaching 2133 MHz (DDR2 maximum of only up to 1066 MHz) and a more efficient voltage is only 1.5v (1.8v DDR2 and DDR voltages requires 1 with 2.5/2.6v).


2 komentar:

  1. Unknown mengatakan...

    Om-Nanotech Pvt Ltd.company is the largest manufacturer memory modules,USB/Flash products in India. We offer a wide variety of modules in different brands - dolgix, Windi, Qumem and OEM.

  2. Unknown mengatakan...

    Thanks for sharing knowledge of types of RAM. DDR1 ram has more warranty and it has 8GB memory support with different price range. All of these three DDR1, DDR2 & DDR3 has full memory support.
    DDR1 RAM

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