If you can't decide which CPU to buy, you can make a decision after reading the detailed benchmark Intel Core i7-8709G Cinebench r15 score multi and single core and decide how powerful is this CPU, is it a good CPU or a bad one to buy. Here you can find useful information from Cinebench r15 benchmark. A thorough analysis of all the specifications, to make it easier to understand, is summarized in the table. After looking at the data of parallel test and video, you can already make an informed decision about do you need to buy Intel Core i7-8709G or not.
The summary data in the table above do not mean that taking them into account you should fully trust a simple comparison of these figures. Better to watch benchmarks video and read the reviews of real owners of Intel Core i7-8709G before making a choice buy this CPU or not.