For example you can't decide which CPU to buy, you can make a decision after reading the comprehensive benchmark Intel Core i5-8259U Cinebench r15 score single and multi core and decide how powerful is this CPU, is it a good CPU or a bad one to buy. Here is useful information from Cinebench r15 benchmark. A careful analysis of all the specifications, so that it can be easier to read, is made by the table. After reading the results this test and video, you can already make an informed decision about do you need to buy Intel Core i5-8259U or not.
All the data that you have looked at here 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 of people who bought Intel Core i5-8259U before making a choice buy this processor or not.