The Samsung galaxy A51 is a mid-range smartphone released in December 2019. It was introduced alongside the Galaxy A71 and serves as the successor to the Galaxy A50. The device features a 6.5-inch Super AMOLED display with a resolution of 1080 x 2400 pixels and a waterdrop notch at the top center of the screen.
Under the hood, the Galaxy A51 is equipped with the Exynos 9611 chipset, which includes an octa-core CPU running at up to 2.3 GHz and a Mali-G72 MP3 GPU. It comes with 6 GB of RAM and offers 128 GB of internal storage, expandable via a microSD card. the phone supports both single and dual SIM configurations and includes an optical in-display fingerprint sensor for biometric security.
The rear camera setup consists of four sensors: a 48 MP primary sensor with phase detection autofocus (PDAF) and an f/2.0 aperture,an 8 MP ultra-wide lens,a 5 MP depth sensor,and a 5 MP macro lens. The front-facing camera is a 32 MP sensor designed for selfies and video calls. The device includes a single LED flash to assist low-light photography.
Power is provided by a 4000 mAh battery that supports 15W fast charging through a USB Type-C port. The Galaxy A51 runs on Android 9.0 Pie out of the box,with Samsung’s One UI skin on top. Additional features include standard sensors such as accelerometer, gyro, proximity, and compass. Further technical details are available in the specifications table below.
Technology | GSM / CDMA / HSPA / LTE |
2G Network Bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM only) |
3G Network Bands | HSDPA 850 / 900 / 1900 / 2100 |
4G Network Bands | LTE band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500) |
Speed | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
Also Known As |
- - |
Dimensions | 158.5 x 73.6 x 7.9 mm |
Weight | 172 grams |
Build | Front glass, plastic body |
SIM Type | Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by) |
Display Type | Super AMOLED capacitive touchscreen, 16M colors |
Size | 6.5 inches, 102.0 cm2 (~87.4% screen-to-body ratio) |
Resolution | 1080 x 2400 pixels, 20:9 ratio (~405 ppi density) |
Operating System | Android 9.0 (Pie) One UI |
Chipset | Samsung Exynos 9611 (10nm) |
CPU | Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) |
GPU | Mali-G72 MP3 |
RAM + ROM | 6 GB |
Card Slot | microSD, up to 1 TB (dedicated slot) |
Camera Type | Quadruple Lenses |
Camera Sensor(s) | 48 MP + 8 MP + 5 MP + 5 MP Main camera |
Camera Features |
Autofocus Face detection F/2.0 aperture LED Flash Panorama HDR 8 MP, f/2.2, 13mm (ultrawide), 1/4", 1.12µmr (second camera) 5 MP, f/2.2, depth sensor (third camera) 5 MP, f/2.4, (macro) (fourth sensor) |
Video Resolution | 1080p@30/240fps |
Camera Type | Single Lens |
Camera Sensor(s) | 32-megapixel |
Camera Features |
F/2.0 aperture FaceID Face beautification HDR |
Video Resolution | 1080p@30fps |
Loudspeaker | Yes |
Speaker Location | Placed at the basement |
Audio Jack Type | Yes, 3.5mm audio jack |
Bluetooth | Bluetooth 5.0, A2DP, LE |
NFC | |
GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS |
FM Radio | FM radio |
Battery Capacity | Non-removable Li-Po 4000 mAh battery |
Wireless Charging | No |
Talk Time Talk Time is the longest time that a single battery charge will last when you are constantly talking on the phone under perfect conditions, Ambient temperature and highly dependent on the cellular network environment such as the distance to the closest cell network tower. | Up to 33 hours |
Stand-by | Up to 740 hours |
Sensors | Fingerprint (side-mounted), accelerometer, proximity, compass |
Box Contents | Charging Brick / USB cable |
Note: Specifications may not be 100% accurate.