Samsung Galaxy Note 4 is older flagship device which runs on the older version of touchwiz it has got 5.7 inch same as note 5 which Quadhd and has got great super amoled device which has got great colour reproduction and the there are new features available on note 5 as compare to note 4 if you are intrested in buying this device please get a note 5 at this price which would be a great deal breaker, the device has got 3gb ram which is not great for the heavy touchwiz which may consume 1.5 gb of ram and somewhere between 500mb of ram would be available to the user it has got large capacity of battery with fingerprint sensor and ir blaster for controlling your tv this device will be getting marshmallow update soon