Samsung’s Galaxy Note 9 Is Crazy Powerful. Can You Handle It?

Samsung’s latest phone, the 6.4-inch Galaxy Note 9, is the best yet for power users but probably too much for most people

Samsung's newest phone has more features, options and possibilities than the rest. WSJ's David Pierce reviews this big, fast, funky phone made for power users. Photo/Video: Emily Prapuolenis/The Wall Street Journal

Not that long ago, Samsung’s Galaxy Note phones were practically a circus act. Step right up, folks, and feast your eyes on the most ginormous, the most humongous phone known to man! Now, when I pick up the 6.4-inch Galaxy Note 9, the latest model in the series, it feels almost normal. Somehow we got used to phones approximately the size of a slice of bread.

In other ways, though, the Note 9 still sticks out from the sea of glassy rectangles. No phone on the U.S. market has more features or power. It has an integrated stylus...