The smartphone is pack with 12 GB and 16 GB RAM with 128 GB, 256 GB, 512 GB internal storage options. The device is built with a Glass front (Gorilla Glass Victus), a glass back (Gorilla Glass), and an aluminum frame.
Samsung Galaxy S21 Ultra 5G is fueled with a non-removable Li-Po 5000 mAh battery + Fast charging 25W + USB Power Delivery 3.0 + Fast Qi/PMA wireless charging 15W + Reverse wireless charging 4.5W.
The smartphone features a 6.8 inches Dynamic AMOLED 2X display that has a 1440 x 3200 pixels resolution. The device comes in Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, and Phantom Brown.
The smartphone consists of a quad-camera: 108 MP (wide) + 10 MP (periscope telephoto) + 10 MP (telephoto) + 12 MP (ultrawide) while on the front there is a 40 MP (wide). The sensors include Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, and barometer. The smartphone runs on Android 11 + One UI 3.1 operating system.