Note 4 Specs

DISPLAY:
 ● Super AMOLED capacitive touchscreen,         16M colors
 ● 1440 x 2560 pixels, 5.7 inches (~515 ppi
     pixel density)
 ● Corning Gorilla Glass 3

MEMORY:
 ● MicroSD, up to 128 GB
 ● Internal 32 GB
 ● 3 GB RAM

BLUETOOTH:
 ● v4.1

NFC: Yes

INFRARED PORT: Yes

CAMERA:

● Primary 16 MP, 3456 x 4608 pixels, optical     image stabilization, autofocus, LED flash.
● Video - 2160p@30fps, 1080p@60fps,                 optical stabilization.
● Secondary 3.7 MP, 1080p@30fps.

CPU:

● 2.7GHz Quad Core or 1.9GHz Octa Core (1.9GHz Quad + 1.3GHz Quad Core)

* Specs may differ country wise.

SENSORS: 

● Gesture, Accelerometer, Compass,
   Gyroscope, RGB ambient light, Proximity,      Barometer, Hall Sensor, Finger Scanner,        UV, HRM.


Pros : Awesome Hardware and Camera,                    Loads of Sensors, Quad HD Display,
           515 pixel density, UltraHD Recording.

Cons: Same Old Samsung Design.

Is it worth a buy?

Yeah! I would have bought it if I had the money.