If you can't decide which processor to buy, you can make a decision after reading the comprehensive benchmark AMD Ryzen 9 4900HS Cinebench r20 score multi and single core and understand how powerful is this processor, is it a good processor or a bad one to buy. Here is all information from Cinebench r20 benchmark. A careful review of all the specifications, to make it easier to understand, is presented in the form of the table. After looking at the data this test and video, you can already make an informed decision about do you need to buy AMD Ryzen 9 4900HS or not.
The summary data in the table above do not mean that taking them into account you should undividedly trust a simple quantitative comparison. Better to watch benchmarks video and read the opinion of of people who bought AMD Ryzen 9 4900HS before making a decision buy this processor or not.