From Engadget. Gives some comparisons to the iPhone 6+ if you're undecided between the two.
Article said:The Galaxy Note 4 is the best large phone on the market. It's a device you'll be proud to whip out in public, thanks to its elegant design, robust build, beautiful screen, impressive battery life and solid camera. It also excels from a productivity standpoint, offering seamless multitasking and stylus functionality that's as smooth as I've ever seen on a smartphone. And despite its large size, Samsung has nailed the one-handed experience better than the competition. There's certainly a benefit to drawing from years of experience in this category: What began as an oddity three years ago has now evolved into a powerful tool at the top of its class.