Why Is DRAM Cheaper Than SRAM? Key Differences Explained

Discover why DRAM is cheaper than SRAM by exploring their design differences and manufacturing costs in this clear explanation.

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DRAM is cheaper than SRAM because it uses a simpler design with only one transistor and one capacitor per bit, allowing for higher density and lower manufacturing costs. SRAM, on the other hand, requires six transistors per bit, making it more complex and expensive to produce.

FAQs & Answers

  1. What makes DRAM design simpler than SRAM? DRAM uses one transistor and one capacitor per bit, while SRAM requires six transistors per bit, resulting in simpler design and lower costs for DRAM.
  2. Why does SRAM cost more to manufacture than DRAM? SRAM's complexity with six transistors per bit increases manufacturing complexity and size, making it more expensive than DRAM which has a simpler, denser design.
  3. What are the main uses of DRAM compared to SRAM? DRAM is commonly used for main memory in computers due to its cost-efficiency and density, whereas SRAM is used for cache memory where speed is critical despite higher costs.

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