![]() ![]() The transistor density is intimately related to the overall objectives and design style. Product Objectives Influence Design Style The net result is that transistor count and density are only approximate metrics and focusing on those particular numbers risks losing sight of the bigger picture. Worse yet, there is no standard way of counting transistors and the numbers can vary by 33-37% for the same design. In reality, transistor density varies considerably based on the type of chip and especially the type of circuitry within the chip. But from a customer standpoint, Moore’s Law is really a promise that the processors of tomorrow will be even better and more valuable than the processors of today. Moore’s Law in its original form observes that the transistor count of an economically optimal (i.e., minimum cost per transistors) design doubles every two years. For this reason, transistor count is often considered a proxy for the health of Moore’s Law, although that is not quite fully accurate. As the industry moves to newer process technologies, the number of transistors per unit area keeps on rising. As a recent example, when Apple released the A13 Bionic inside the iPhone 11 generation, the company crowed that it contains 8.5 billion transistors, and in 2006, Intel similarly bragged about Montecito, the first billion-transistor processor.įor the most part, these constantly increasing transistor counts are a consequence of Moore’s Law and the drive to ever greater levels of miniaturization. ![]() Upon the release of a new processor or SoC, many a vendor brags about the complexity of their design, as measured by transistor count. In the tech industry, transistor count and transistor density are often portrayed as technical achievements and milestones. ![]()
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