What Is SRAM and what is DRAM? In DRAM, data needs to refreshed so that data can retain. The example of SRAM includes the cache memory and the example of DRAM is the main memory. This part we will talk about SDRAM vs DRAM from 3 aspects, so keep reading to know the detailed information. DRAM is faster than secondary storage such as hard disk, but it is not as fast as SRAM. RAM allows accessing data faster than storage medium such as hard disk drives, solid state drives. To avoid this issue, DRAM needs to use a refresh circuit. The difference between SRAM and DRAM is that the SRAM does not require refresh cycles to hold the data while the DRAM requires periodical refresh cycles to retain data. Even though both SRAMs and DRAMs are volatile memories, they have some important differences. Users typically are referring to RAM when discussing computer memory. There are two types of RAM called SRAM and DRAM. DRAM provides slow access speeds. “DRAM DDR2 512” By Appaloosa 11:45, 10 August 2006 (UTC) – taken by Appaloosa (CC BY-SA 3.0) via Commons Wikimedia. RAM (random access memory), also called … What’s the difference between SDRAM and DRAM? SRAM has lower access time; therefore it is faster compared to DRAM. This means that DRAM has a duty cycle (a period during which the RAM is being refreshed and can't respond to external requests like reads/writes), unlike SRAM (Static RAM) which does not require refreshing, and thus is available at all times. It works differently as compared to the SRAM. The cost of a gigabyte of SRAM cache is about $5,000, while a gigabyte of DRAM costs $20-75. DRAM cost is lesser compared to SRAM. DDR4 is used in most PCs as the main memory and is the most popular form of DRAM. It is the most common type of main memory, and it is not as expensive as SRAM. Get this safe & easy-to-use free partition software to keep your PC running at its best! She is passionate about sharing her knowldge in the areas of programming, data science, and computer systems. Dynamic Random Access Memory stores data and codes which help the microprocessor and computer to perform the task. It is frequently used for digital electronics applications that require low cost and high capacity of memory. In computers, it is more convenient to implement main memory as DRAM in comparison with SRAM. What’s more, she offers some useful ways to convert audio and video file formats. Therefore, DRAM memory is dynamic and requires continuous refresh cycles to retain data. Thus, SRAM is used in most portable and battery-operated equipment. While Static RAM (SRAM pronounced ESS-ram) chips are faster and more reliable than any variation of DRAM chips. Connect with us for giveaways, exclusive promotions and latest news. Dr. Robert Dennard invented DRAM in 1967 while working for IBM and received a patent for this groundbreaking technology in 1968. DRAM and SRAM are volatile so that they cannot be used to store “permanent” data (such as operating systems) or data files (such as pictures). SRAM is faster compared to DRAM 3. DRAM stands for Dynamic Random Access Memory. When talking about SDRAM vs DRAM, history needs to be mentioned. The difference between them lies in the refresh cycle requirement. It has flip flops. Scram works for cache memory of a computer but Dram works with main memory. DRAM operate in either a synchronous or an asynchronous mode. The average access time attributed to DRAM is 60 nanoseconds approximately, while SRAM offers access times that’s as low as 10 nanoseconds. A computer has two different types of memory called RAM (Random Access Memory) and ROM (Read Only Memory). DRAM requires periodical refresh cycles to retain data. Now we talk about DRAM vs SRAM for price. The SRAM stands for Static Random Access Memory. SDRAM VS DRAM: What Is the Difference Between Them? 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