You may have difficulties with the choice of a CPU, you will solve them by seeing the detailed benchmark Intel Core i9-12900HX Cinebench r15 score multi and single core and understand how powerful is this processor, is it a good CPU or a bad one to buy. Here is all information from Cinebench r15 benchmark. A thorough analysis of all the specifications, to make it easier to understand, is summarized in the table. After reading the results of joint test and video, you can already make an informed decision about do you need to buy Intel Core i9-12900HX or not.
The summary data 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 the video tests and read the reviews of of people who bought Intel Core i9-12900HX before making a decision buy this CPU or not.
Intel Core i9-12900HX Cinebench r15 benchmark video