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Bandwidth & Throughput Calculator
Home› Applications› Memory Module Bandwidth Calculator
Use this memory module calculator to estimate two key performance metrics: total memory capacity based on address lines, and theoretical data bandwidth for a given clock frequency and bus width. Understanding these metrics helps hardware designers optimize module selection, balance cost and performance, and ensure reliable operation in high-speed systems.
Memory Module Bandwidth Calculator
Enter clock frequency and bus width to calculate theoretical peak bandwidth in gigabytes per second (GB/s).
Note: Bandwidth (GB/s) = (Frequency × Bus Width) ÷ 8 ÷ 1000
Frequently Asked Questions
A Memory Module is a printed circuit board that holds DRAM chips to provide volatile storage in computing systems.
How does address line count affect capacity?The number of address lines (n) determines the unique addresses: 2n locations, each storing one byte. Thus, capacity = 2n ÷ 1,048,576 MB.
Why calculate theoretical bandwidth?Theoretical bandwidth gives the maximum data rate under ideal conditions, useful for comparing module performance.
What factors reduce real-world throughput?Protocol overhead, latencies, signal integrity and controller efficiency all reduce effective throughput below the theoretical peak.
How can I improve Memory Module performance?Choose modules with higher clock rates, wider bus widths, and optimized timings (CAS latency, tRCD, tRP). Good cooling and quality PCBs also help.
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