Perhaps you can't decide which processor to buy, you can make a decision after reading the comprehensive benchmark Intel Core i3-1215U Cinebench r20 score single and multi core and decide how powerful is this processor, is it a good processor or a bad one to buy. Here you can find all information from Cinebench r20 benchmark. A step-by-step analysis of all the specifications, so that it can be easier to understand, is summarized in the table. After reading the results of all test and video, you can already make an informed decision about do you need to buy Intel Core i3-1215U or not.
All the number in the text above do not mean that taking them into account you should undividedly trust a simple quantitative comparison. Be sure to watch benchmarks video and read the opinion of of people who bought Intel Core i3-1215U before making a decision buy this CPU or not.