Big data is a huge collection of data from various sources. It can be of any type and tough to be interpreted and analyses hence we need some tool or mechanic that can easily analyses the data and give us some information out of it. Among various interesting tools R and tableau are the tools which deals with the big data analytics also it generates the output in visualization technique i.e., more understandable and presentable. In this paper we are comparing and contrasting the working of both the tools with some big dataset along with the importance and need of the tool in the field of big data analytics. This study gives the clear picture of growing data and the tools which can help more effectively, accurately and efficiently. © Published under licence by IOP Publishing Ltd.