Marketing people love some metric they can use to differentiate from competition. A phone gets thinner, lighter and survives more fall height or water depth. A PC gets a faster CPU (anyone thinking back to the megahertz wars [1] or the gigahertz wars [2]?), a bigger SSD or more RAM.

[1] https://collections.museumsvictoria.com.au/articles/1538

[2] https://arstechnica.com/gadgets/2024/03/intel-revives-the-mh...