Let's say you have difficulties with the choice of a CPU, you will solve them by looking at detailed test AMD Ryzen 9 7900X Cinebench r20 score single and multi core and understand is it a good CPU or a bad one to buy, how powerful is this processor. Here is all information from Cinebench r20 benchmark. A thorough analysis of all the technical characteristics, to make it easier to read, is summarized in the table. After looking at the data this test and video, you already be able to figure out do you need to buy AMD Ryzen 9 7900X or not.
All the data in the text above do not mean that taking them into account you should completely trust a simple quantitative comparison. Be sure to watch benchmarks video and read the opinion of of people who bought AMD Ryzen 9 7900X before deciding buy this processor or not.