Perhaps you can't decide which processor to buy, you can make a decision by looking at the Intel Core i9-12900F GeekBench 5 score single and multi core test and decide how powerful is this processor, is it a good processor or a bad one to buy. Here is useful information from GeekBench 5 benchmark. A thorough review of all the technical characteristics, so that it can be easier to understand, is presented in the form of the table. After reading the results of all test and video, you can already make an briefed decision about do you need to buy Intel Core i9-12900F or not.
However, it should be understood that all the figures in the article above do not mean that you should be guided entirely by them and trust a simple comparison of these figures. Better to watch benchmarks video and read the reviews of of people who bought Intel Core i9-12900F before making a decision buy this processor or not.