You may have difficulties with the choice of a CPU, you will solve them by seeing the comprehensive benchmark Intel Core i7-8559U Cinebench r15 score single and multi 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 Cinebench r15 benchmark. A thorough analysis of all the technical characteristics, so that it can be easier to read, is presented in the form of the table. After reading the results this test and video, you already be able to understand do you need to buy Intel Core i7-8559U or not.
All the number in the text above do not mean that taking them into account you should fully trust a simple quantitative comparison. Better to watch the testing video and read the reviews of of people who bought Intel Core i7-8559U before deciding buy this CPU or not.