Super User is a question and answer site for computer enthusiasts and power users. It only takes a minute to sign up. Connect and share knowledge within a single location that is structured and easy to search. But the answers there do not speak to SSD drives.
Flash Memory is considerably slower than DRAM, and the way they are used by operating systems is very different. So it's one to two orders of magnitude slower. Furthermore, the way it's used is very different. DRAM is far more flexible and is truly random access -- any word, any time. By comparison, flash writes have to erase an entire block at a time before writing to it; and there are other problems that need to be dealt with such as wear leveling and bad blocks.
Generally, you can put it to be at least times faster, depending on frequency, generation and the SSD you are comparing it with. You can get some information on this here:. Sign up to join this community. Another important performance factor is RAM , or memory, speed. Not all RAM is created equal, with some being much faster than others. This guide will introduce you to the idea of RAM speed and provide a basic overview of how it affects PC performance.
The first component of RAM speed, and the most cited, is its data transfer rate. For example, DDR4 for the fourth and current generation. After that, there is a number that designates the speed it can perform at measured in Megahertz MHz , or millions of cycles per second. All other trademarks and service marks are the property of their respective owners. Find a product Part no.
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