The Samsung Galaxy Note 4 is impressive, but how impressive is it really? We put the Note 4 and the Note 3 head to head at Samsung's Unpacked event last week and find out just what's new and what's not.

The Galaxy Note 4 features a 5.7-inch 2560x1440 Super AMOLED display, a 2.7GHz quad-core Snapdragon 805 processor and a new build that uses aluminum around the structure of the device. Meanwhile, the Galaxy Note 3 boasts a 5.7-inch 1920x1080 Super AMOLED screen and a 2.3GHz quad-core processor.