You're looking at the wrong laptop, the Dell XPS 13 9345 has a ~88.6% screen to body ratio, the Macbook Pro 14 M4 2024 has a ~84.6% screen to body ratio.

The weight is the big one for me - only 2.5 lbs vs 3.4 lbs

Remember the Dell has an 18 month old processor, X Elite 2 coming out next year.

Source for all these stats: https://nanoreview.net/en/laptop-compare/dell-xps-13-9345-20...