Apple debuted its new iPhone 15 Pro Max at the company’s annual fall event, and the phone’s biggest feature is arguably the 5x optical zoom offered by a new telephoto lens. That instantly brings up a comparison to Samsung’s Galaxy S23 Ultra, which features a flagship periscope lens with 10x optical zoom. Both smartphones are the best phones that Apple and Samsung have to offer, so if you’re looking for the latest and greatest, you might be choosing between these two devices. But they also have a lot of differences, from design and form factor to processor and operating system. To help you figure out which powerful smartphone is right for you, we’ve put the iPhone 15 Pro Max and the Galaxy S23 Ultra up against each other.