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Jexal

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Feb 9th, 2025
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  1. Based on current technology, it is highly unlikely that DRAM will ever reach the same speed as SRAM due to the fundamental design differences between the two memory types: SRAM is inherently faster because it holds data statically using a stable circuit of transistors, while DRAM relies on capacitors that need to be refreshed periodically, making it slower but significantly cheaper and denser; therefore, while DRAM may continue to improve in speed, it is unlikely to ever match SRAM's access time.
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  3. Key points to consider:
  4. Design difference:
  5. SRAM uses a more complex circuit with multiple transistors to store data statically, while DRAM uses a simpler design with a single transistor and a capacitor, requiring periodic refresh cycles to maintain data.
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  7. Speed vs. Cost:
  8. SRAM is significantly faster than DRAM but is also much more expensive due to its complex design, making it suitable for small, high-speed caches, while DRAM is preferred for large main memory due to its lower cost.
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  10. Technological limitations:
  11. While advancements in manufacturing processes can improve DRAM speed, the inherent need for refresh cycles in DRAM will likely always limit its performance compared to SRAM.
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