Let's say you can't decide which processor to buy, you can make a choice by looking at the Intel Core i5-8500B Cinebench r15 score multi and single core test and understand is it a good CPU or a bad one to buy, how powerful is this CPU. Here you can find all information from Cinebench r15 benchmark. A careful review of all the specifications, so that it can be easier to read, is summarized in the table. After looking at the data this test and video, you can already make an informed decision about do you need to buy Intel Core i5-8500B or not.
Although it should be understood that all the number that you have looked at here do not mean that you should be guided entirely by them and trust a simple quantitative comparison. Be sure to watch benchmarks video and read the reviews of real owners of Intel Core i5-8500B before deciding buy this processor or not.