From the bygone debates over DDR vs. RDRAM to the current controversy over Apples DDR implementations, one issue is commonly misunderstood in most discussions of memory technology: the nature of the relationship between bandwidth and latency. This article aims to give you a basic grasp of the complex and subtle interaction between bandwidth and latency, so that the next time you see bandwidth numbers quoted for a system youll be able to better understand how those numbers translate into real-world performance.
http://arstechnica.com/paedia/b/bandwidth-latency/bandwidth-latency-1.html
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