Samsung galaxy A51 specs: unique quad cameras

Samsung galaxy A51 features a punch-hole design and excellent display specifications with minimal bezels whlile fully maximising screen spaces.

The 6.5″ 20:9 Infinity-O Super AMOLED display of FullHD+ resolution bear an underneath fingerprint sensor similar to the those by galaxy A71 earlier reviewed. In fact all the specifications and design of the galaxy A51 is similar to those of galaxy A71 except few exceptions.

The quad rear cameras are aligned like the A71 but the main camera lens has a lower pixel count of 48. The front display looks similar but a closer look reveals that the punch hole which houses the selfie camera for both devices is a little bigger than that of galaxy A51.

Also, while the popular Qualcomm Snapdragon 730 processor is made for the A71, A51 is equipped with Exynos 9611, and aswell both smartphones has different graphics processor.

Samsung galaxy A51 comes with a non-removable battery which has a capacity of 4000mAh(500mAh lesser than that of galaxy A71). This battery could only fast charge at 15W.


Samsung galaxy A51

  • Released december 2019
  • Android 10.0; One UI 2
  • Exynos 9611 octacore processor
  • 4,000 mAh battery with 15W fast charging
  • 48MP + 12MP + 5MP + 5MP rear cameras – 32MP front camera.
  • 128GB internal storage, 6GB RAM
  • Optical fingerprint sensor

Infinity-O display

Slapped on the AMOLED display is a gorilla glass protection similar to the one on the galaxy A71. Pastel shades including Prism Crush Black, White, Blue and Pink adorn the back of galaxy A51.

When measured diagonally, the screen size is 6.5″ and 6.3″ when rounded corners are emmited. Viewable area is actually less by reason of the rounded corners and the punch-hole camera cutout.

Dimension158.5 x 73.6 x 7.9 mm (6.24 x 2.90 x 0.31 in)
Weight172 g (6.07 oz)
BuildFront glass, plastic body
TypeSuper AMOLED capacitive touchscreen, 16M colors
Screen size6.5 inches, 102.0 cm (~87.4% screen-to-body ratio)
Resolution1080 x 2400 pixels, 20:9 ratio (~405 ppi density)
Screen protectionCorning Gorilla Glass 3

Advantage: The overall display specifications is laudable.

Disadvantage: Other competing models packs lesser thickness and screen size.

Sensitive quad cameras

Same camera arrangement like ones by the A71, the device comes with four rear camera sensors. The 48MP main camera could deliver clear photos at an angle of 80°.

For a wider capture especially when taking group photographs, the 123° 12MP Ultra Wide Cam captures more of the view. The 5MP macro camera sensor serves only one purpose – capturing very near but tiny objects excellently. The upgraded sensor makes sure any subject is captured with excellent details however tiny it may be.

The multiple live focus effects packed by the 5MP depth camera spotlights a subject to captured excellently while considering less of the background.
The selfie focus is similar to the live focus of the rear camera. This feature adds a gently blur to the background, spotlighting your face consequently.

Rear camera
  • 48 MP, f/2.0, (wide), 1/2″, 0.8µm, PDAF
  • 12 MP, f/2.2, 13mm (ultrawide)
  • 5 MP, f/2.4, (wide), dedicated macro camera
  • 5 MP, f/2.2, depth sensor
features(rear)LED flash, panorama, HDR
Video(rear)[email protected]
Front camera32 MP, f/2.2, 26mm (wide), 1/2.8″, 0.8µm
Video(front)[email protected]

Advantage: All round quality camera spacifications.

Disadvantage: The first camera sensor pixel of the rear camera setup is lesser than that of the galaxy A71.

Samsung galaxy A51 specs

Samsung galaxy A51 hardware and software specifications

Galaxy A51 comes with an advanced octa-core processor and a 6GB of RAM to deliver a smooth and efficient performance.

The 128GB internal storage ensures that more can be stored to the device without deleting others.

Operating systemAndroid 10.0
Custom skinOne UI 2
ChipsetExynos 9611 (10nm)
CPUOcta-core (4×2.3 GHz Cortex- A73 & 4×1.7 GHz Cortex-A53)
GPUMali-G72 MP3
Expandable cardmicroSD, up to 1 TB (dedicated slot)
Internal storage128GB


  • Powerful hardware specifications.
  • Updated software specifications.
  • Wide memory capacity

Disadvantage: –

Samsung galaxy A51 network support

The device supports popular bands of 2G, 3G, and 4G.

Sim slot
  • SIM1: Nano
  • SIM2: Nano
4G Bands
  • TD-LTE 2300(band 40)
  • FD-LTE 1800(band 3)
3G BandsUMTS 1900 / 2100 / 850 / 900 MHz
2G BandsGSM 1800 / 1900 / 850 / 900 MHz

Samsung galaxy A51 design

Samsung galaxy A51 connectivity options and sensors

The fingerprint sensor for the smartphone is an in-display type.
Galaxy A51 features an near field communication (NFC) connectivity option but is however dependent on market. Various other connectivity options are tabulated below:

3.5 mm jackYes, active noise cancellation with dedicated mic
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth5.0, A2DP, LE
NFCYes (market dependent)
RadioFM radio
USB2.0, Type-C 1.0 reversible connector, USB On-The-Go
Fingerprint sensorYes, under display, optical
Other sensors
  • accelerometer
  • gyro
  • proximity
  • compass ANT+


  • Presence of NFC
  • Has a reversible USB type C port/connector

Disadvantage: –

Samsung galaxy A51 battery

The galaxy A51 packs a non-removable battery of capacity 4000mAh which supports fast charging.

capacity4000 mAh
Fast battery chargingYes, 15W swift charging

Advantage: Supports fast charging.

Disadvantage: 4000mAh battery capacity below standards set by top models.

Price and availability in Nigeria

Samsung galaxy A51 is sold at a price of N127,400. Upon request, it could be gotten from jumia online store (cost of shipping may apply).


Samsung galaxy A51 has the basic flawless features and configurations a premium smartphone should come with.

The device seems to come as a lesser variant to the galaxy A71.

The camera specifications and storage is superb, same as most of it’s features.


A potential electrical/electronics engineer in the making, a phone addict and a motivating partner.While he's not researching through with his phone, Daniel spends his time with the books.★ Fav. quote: The habit of persistence is the habit of victory! ★

Tagged with: ,