For example you can't decide which CPU to buy, you can make a decision by looking at the Intel Core i5-9500F Cinebench r15 score multi and single core test and decide is it a good CPU or a bad one to buy, how powerful is this CPU. Here you can find useful information from Cinebench r15 benchmark. A thorough analysis of all the technical characteristics, so that it can be easier to understand, is presented in the form of the table. After looking at the data this test and video, you can already make an briefed decision about do you need to buy Intel Core i5-9500F or not.
All the data in the table above 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 i5-9500F before making a selection buy this processor or not.