For example you can't decide which CPU to buy, you can make a decision by looking at the Intel Core i9-13900HK GeekBench 5 score multi and single core test and decide is it a good processor or a bad one to buy, how powerful is this CPU. Here is all information from GeekBench 5 benchmark. A thorough review of all the specifications, 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 understand do you need to buy Intel Core i9-13900HK or not.
All the data in the text above do not mean that taking them into account you should fully trust a simple comparison of these figures. Be sure to watch the video tests and read the reviews of of people who bought Intel Core i9-13900HK before deciding buy this CPU or not.