Samsung Galaxy S21 5G

Samsung Galaxy S21 5G
6.2", 120Hz, 1080x2400 pixels
128 / 256GB
12MP + 64MP + 12MP
Android 11, One UI 3.1

Smartphone Samsung Galaxy S21 5G released in Jan, 2021 has Dynamic AMOLED 2X display 6.2" inches size and 8GB RAM size. The device is running an operating system Android 11 with graphical overlay One UI 3.1. Smartphone equipped with 3 rear cameras: 12MP, 64MP, 12MP and 1 front camera: 10MP, f/2.2, 26mm (wide), 1/3.24", 1.22µm, Dual Pixel PDAF. Internal storage has size 128 / 256GB and can be expanded by memory card. Has a body thickness of 7.9mm and a weight of 169g.


  • High capacity battery (4000mAh)
  • Support fast charging
  • Support wireless charging
  • High pixel density screen (421ppi)
  • Display has high refresh rate (120Hz)
  • 5G support
  • Wi-Fi 6 support


  • Does not have a memory expansion slot

Samsung Galaxy S21 5G compare with

Samsung Galaxy S21 5G view and size

71.2 mm (2.8″)
151.7 mm (5.97″)
7.9 mm

Samsung Galaxy S21 5G specifications

Release date Jan, 2021


Models SM-G991B / SM-G991B/DS / SM-G991U / SM-G991U1 / SM-G991W / SM-G991N / SM-G9910 / SM-G991Q


Operating System Android 11
Custom UI One UI 3.1


Dimensions 71.2 x 151.7 x 7.9mm
Weight 169g
Materials Glass front (Gorilla Glass Victus), plastic back, aluminum frame
Colours Phantom Gray / Phantom White / Phantom Violet / Phantom Pink


Size 6.2"
Type Dynamic AMOLED 2X
Resolution 1080x2400 pixels
Density 421ppi
Refresh rate 120Hz
Protection Corning Gorilla Glass Victus


Rear camera 12MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, Dual Pixel PDAF, OIS / 64MP, f/2.0, 29mm (telephoto), 1/1.72", 0.8µm, PDAF, OIS, 1.1x optical zoom, 3x hybrid zoom / 12MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55" 1.4µm, Super Steady video
Front camera 10MP, f/2.2, 26mm (wide), 1/3.24", 1.22µm, Dual Pixel PDAF


Chipset Exynos 2100 (5 nm) - InternationalQualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China
CPU Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - InternationalOcta-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) - USA/China
GPU Mali-G78 MP14 - InternationalAdreno 660 - USA/China


RAM size 8GB


Internal storage 128 / 256GB
Card slot -


Number of SIMs 2
SIM type Nano-SIM / eSIM
Cellular technology GSM / CDMA / HSPA / EVDO / LTE / 5G
Wi-Fi a / b / g / n / ac / 6
Bluetooth 5.0
USB USB Type-C 3.2, USB On-The-Go


Fingerprint sensor +
Face ID -
Accelerometer +
Barometer +
Gyro sensor +
Geomagnetic sensor +
Hall sensor -
Proximity sensor +
Ambient Light sensor -


Capacity 4000mAh
Type Li-Ion
Fast charging +
Wireless charging +
Reverse wireless charging +


AnTuTu 584055 (v8)
GeekBench 3238 (v5.1)


Thank you. Your review has been sent and will be published after verification.

No reviews yet.


How much storage does the Galaxy S21 5G have ?

Galaxy S21 5G has a several versions with 128 or 256GB of internal storage.

Does Galaxy S21 5G have fingerprint sensor?

Yes, Galaxy S21 5G have fingerprint sensor.

What is the battery capacity of Galaxy S21 5G ?

Galaxy S21 5G has battery with 4000mAh capacity.

Does Galaxy S21 5G support fast charging?

Yes, Galaxy S21 5G support fast charging.

What is the display size of the Galaxy S21 5G ?

Galaxy S21 5G has display with 6.2" size.

How much RAM does the Galaxy S21 5G have ?

Galaxy S21 5G has 8GB of RAM.