The device comes with a big screen of a 6.5 inches Super AMOLED capacitive touchscreen with Corning Gorilla Glass 3.
The smartphone feature a 48 MP (wide) + 12 MP (ultrawide) + 5 MP (wide) dedicated macro camera + 5 MP depth sensor on the rear side.
The front camera there is a 32 MP (wide) for clicking super selfies and recording videos with 1080p at 30fps. There is an active noise cancellation with a dedicated mic along with a 3.5mm jack.
It also features GPS, NFC (market dependent), Bluetooth 5.0, FM Radio, and Type C USB. It is fueled with a non-removable Li-Po 4000 mAh battery that provides Fast battery charging 15W.
The smartphone is integrated with a 6 GB RAM and has 128 GB internal storage capacity to store videos, music files, images and more.
The Samsung Galaxy A51 runs on the Android 10.0 operating system with One UI 2. The sensors include Fingerprint (under display, optical), accelerometer, gyro, proximity, and compass.