This article compares the role of big data analytics with the previously used analytics techniques in the analytics field. It discusses the improvisations brought in the analytics due to the introduction of big data. The article proceeds through the comparison of big data technologies cloud based analytics and Hadoop with the technologies that were used before the invention of big data in 2005. The article also highlights the differences between big data analytics and IoT analytics, and business intelligence. The subject is Accounting for Management.