The main difference between the two is that the former is made of CMOS technology and transistors (six for every block) while the latter uses capacitors and transistors.ĭRAM needs to be constantly refreshed (due to leaking charges) to retain data for longer periods. What’s the difference between these cache levels? Cache Memory vs System Memory: SRAM vs DRAMĬache memory is based on the much faster (and expensive) Static RAM while system memory leverages the slower DRAM (Dynamic RAM). But before we dive into the specifics, you must know what exactly is cache memory and why is it important? Furthermore, modern processors consist of L1, L2, and 元 cache. Over the past few decades, cache architectures have become increasingly complex: The levels of CPU cache have increased to three: L1, L2, and 元, the size of each block has grown and the cache associativity has undergone several changes as well. Every modern processor features a small amount of cache memory.
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