https://www.cnet.com/news/galaxy-fold-vs-galaxy-s10-whats-the-difference-specs-camera-price-compare-reviews/

Editor's note, March 13, 2019: Our Galaxy S10 Plus review and our Galaxy S10E review are both now live. Keep reading for more about the Galaxy S10, S10 E, S10 Plus and Galaxy S10 5G. And here's more about the Galaxy Fold, Samsung's first foldable phone.   

The biggest difference between the two Galaxy phones is the design. While Samsung tweaked the Galaxy S10's design a bit compared to the S9 (more on that later), the Galaxy Fold represents a new form factor altogether.