RAM vs Storage Vs Cache | Difference between RAM and Storage |

追加: 2026-04-28

Computer memory operates in a hierarchical structure where RAM (Random Access Memory) serves as the primary working memory for active applications, cache provides ultra-fast temporary storage for frequently accessed data to speed up processing, and storage (such as SSDs or HDDs) offers permanent data retention with slower access speeds. This hierarchy balances speed, cost, and capacity to optimize overall system performance.