The Galaxy Book3 Ultra is a few days away from launching. In the meantime, official pictures of the 16-inch laptop have leaked online, confirming its design and a few features, including its dedicated number pad. The Galaxy Book3 Ultra is expected to showcase Samsung's latest AMOLED display technology, too.https://www.notebookcheck.net/Samsung-Galaxy-Book3-Ultra-leaked-marketing-images-confirm-design-and-dedicated-number-pad.687072.0.html
Hopefully it is 16:10 and the renders are misproportioned. Checking the aspect ratio in Paint, they definitely illustrate 16:9.
Don't worry, these renders represent the Galaxy Book2 Pro and certainly not the Galaxy Book3 Ultra (also, look at the date in the bottom-right corner which appear to be Febraury 27 2022, or in other words the MWC online event during which one Samsung unveiled the Galaxy Book2 Laptop Serie).