Let's say there are difficulties with the choice of a CPU, you will solve them by looking at comprehensive benchmark Intel Core i5-6600 GeekBench 5 score multi and single core and decide is it a good CPU or a bad one to buy, how powerful is this processor. Here is useful information from GeekBench 5 benchmark. A step-by-step analysis of all the specifications, to make it easier to understand, is summarized in the table. After reading the results of parallel test and video, you already be able to figure out do you need to buy Intel Core i5-6600 or not.
Although it should be understood that all the number that you have looked at here do not mean that taking them into account you should undividedly trust a simple quantitative comparison. Better to watch the video tests and read the reviews of real owners of Intel Core i5-6600 before deciding buy this CPU or not.