For example you can't decide which processor to buy, you can make a decision by looking at the AMD Ryzen 9 7900X Cinebench r23 score single and multi core test and decide how powerful is this processor, is it a good processor or a bad one to buy. Here is all information from Cinebench r23 benchmark. A careful analysis of all the technical characteristics, to make it easier to understand, is made by the table. After reading the results of parallel test and video, you already be able to understand do you need to buy AMD Ryzen 9 7900X or not.
All the number in the text above do not mean that taking them into account you should fully trust a simple comparison of these numbers. Be sure to watch the video tests and read the opinion of of people who bought AMD Ryzen 9 7900X before making a selection buy this processor or not.