Perhaps you can't decide which processor to buy, you can make a choice after reading the detailed test Intel Core i9-7900X GeekBench 5 score multi and single core and understand how powerful is this CPU, is it a good processor or a bad one to buy. Here you can find all information from GeekBench 5 benchmark. A thorough review of all the technical characteristics, to make it easier to understand, is summarized in the table. After looking at the data of parallel test and video, you can already make an informed decision about do you need to buy Intel Core i9-7900X or not.
All the number in the table above do not mean that taking them into account you should totally trust a simple comparison of these numbers. Better to watch benchmarks video and read the opinion of real owners of Intel Core i9-7900X before making a decision buy this CPU or not.