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The Difference Between DDR2 & DDR3 RAM [Technology Explained]

September 11, 2010

RAM, or Random Access Memory, is your computer’s short term memory. If your computer needs information and does not find the RAM, it then needs to journey to the hard drive to try and retrieve the data, which is far more time consuming. Many older computers that feel sluggish can be given new life if upgraded with additional RAM.

However, capacity is only one specification. RAM is also available in a variety of versions and speeds. A 2GB stick of DDR2 800 RAM is not the same thing as a 2GB stick of DDR3 1333 RAM. Understanding the difference is important because computers will generally accept only certain types of RAM.

Let’s take a look at the different types of DDR memory on the market and how they are different from each other.

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