How does SDRAM improve on earlier types of DRAM?

Synchronous DRAM (SDRAM) improves upon earlier types of dynamic random access memory (DRAM) primarily by synchronizing its operations with the computer’s system clock.12

While standard DRAM requires time to specify an address for each access, SDRAM is designed to transfer a series of words rapidly once the initial address is provided. By aligning memory operations with the system clock, SDRAM achieves greater efficiency in data transfer compared to asynchronous DRAM designs. This synchronization allows the memory to better coordinate with the central processing unit, helping to mitigate the performance bottlenecks inherent in moving data across the system bus.12