Perhaps you can't decide which processor to buy, you can make a choice after reading the full test Intel Core i9-9880H GeekBench 5 score multi and single core and decide is it a good processor or a bad one to buy, how powerful is this processor. Here is useful information from GeekBench 5 benchmark. A thorough analysis of all the specifications, to make it easier to read, is summarized in the table. After reading the results of parallel test and video, you can already make an briefed decision about do you need to buy Intel Core i9-9880H or not.
Although it should be understood that the summary data 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 the testing video and read the reviews of real owners of Intel Core i9-9880H before making a choice buy this CPU or not.