Perhaps you can't decide which CPU to buy, you can make a decision after reading the full test Intel Core i7-8665U Cinebench r20 score single and multi core and understand is it a good CPU or a bad one to buy, how powerful is this processor. Here you can find useful information from Cinebench r20 benchmark. A careful analysis of all the technical characteristics, to make it easier to read, is made by the table. After reading the results of all test and video, you already be able to understand do you need to buy Intel Core i7-8665U or not.
All the figures in the article above do not mean that taking them into account you should completely trust a simple comparison of these figures. Be sure to watch benchmarks video and read the reviews of real owners of Intel Core i7-8665U before making a selection buy this processor or not.