If you can't decide which CPU to buy, you can make a choice by looking at the Intel Core i3-8109U GeekBench 5 score multi and single core test and understand how powerful is this processor, is it a good CPU or a bad one to buy. Here is all information from GeekBench 5 benchmark. A careful review of all the technical characteristics, so that it can be easier to understand, is summarized in the table. After reading the results this test and video, you already be able to understand do you need to buy Intel Core i3-8109U or not.
All the figures that you have looked at here do not mean that you should be guided entirely by them and trust a simple comparison of these figures. Be sure to watch benchmarks video and read the opinion of real owners of Intel Core i3-8109U before deciding buy this CPU or not.