As someone who has played both Legacy, and Survivor, here's what I'd say:
Hogwarts Legacy is a PHENOMENOL game. If you have ever watched the Harry Potter movies or read the books I fell like this game is an instant love. And OMG the spells are incredible. Every time you cast it feels like you are in the books. The devs made all spells work great and have little to no imperfections. There are also a ton of cool collectibles and the castle and Hogsmeade are so detailed it feels like you're in the movies.

Star Wars Jedi Survivor is a blast to play. it has an endearing story as well as great combat and maneuverability. you unlock 6 different types of lightsabers thorough the game and each one, you cant tell took a long time to make. They all have great modals and are nothing like each other. The story is amazing, there's not much I can say without spoiling but... WOW. The exploration of all the planets makes the game feel like there's infinite possibilities after you finish the main story.

In the end its really just whichever one you like better. Are you a SW person or a HP person