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Samsung Galaxy M21

Samsung Galaxy M21
Brand: Samsung
Category: Phones
  • Display 6.4-inch 1080 x 2340 pixels Full-HD+ screen
  • Camera 48 MP + 8 MP + 5 MP Main / 20 MP front
  • Storage 64/128 GB
  • RAM 4/6 GB
  • CPU Octa-core 2.3 GHz, Exynos 9611
  • OS Android 10

Our Rating

The rating is based on the opinions of users and reliable reviewers.

  • Design, Built Quality 7 / 10
  • Display Quality 9 / 10
  • Camera Quality 9 / 10
  • Audio & Multimedia 7 / 10
  • OS and Usability 9 / 10
  • Battery Performance 10 / 10

Samsung Galaxy M21 Highlights and Overview

The Samsung Galaxy M21 is the smaller variant of the M31. The major difference between the two is in camera and storage. But both device feature same CPU and a large 6000mAh battery. It comes in a 6.4-inch Full-HD+ screen with tiny bezels and a notch overhead.

The device has tripe camera modules at the back, combining a 48-megapixel sensor, along with 8-megapixel ultra-wide sensor and a 5-megapixel depth lens. The main 48 MP lens has f/2.0 aperture and a single LED flash, while the auxiliary sensors has f/2.2. The selfie also got downgraded to 20-megapixel, from the 32 MP used in the Galaxy M31.

Powering the phone is Samsung home-made Exynos 9611, an octa-core CPU clocked at 2.3GHz, along with Mali-G72 GPU, a 4/6GB RAM and either 64/128 GB internal storage.

Whats more? The M21 has a rear placed fingerprint scanner, and fueled by the aforementioned 6000mAh battery with 15W fast charging via USB Type-C. You can choose between a single or dual SIM cards. Color options include Blue, Black and Green, and there is also Android 10 out of the box. Other key specifications and features of the Samsung Galaxy M21 are detailed in the table below.

Samsung Galaxy M21 Full Specifications and Features


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 159.0 x 75.1 x 8.9 mm
Weight 188 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 6.4 inches, 102.0 cm2 (~87.4% screen-to-body ratio)
Resolution 1080 x 2340 pixels, 20:9 ratio (~405 ppi density)


Operating System Android 10; One UI v2
Chipset Samsung Exynos 9611 (10nm)
CPU Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
GPU Mali-G72 MP3


RAM + ROM 4/6 GB
Card Slot microSD, up to 1 TB (dedicated slot)


Camera Type Triple Lenses
Camera Sensor(s) 48 MP + 8 MP + 5 MP Main camera
Camera Features Autofocus
Face detection
F/2.0 aperture
LED Flash
8 MP, f/2.2, 13mm (ultrawide), 1/4", 1.12µmr (second camera)
5 MP, f/2.2, depth sensor (third camera)
Video Resolution 1080p@30/240fps


Camera Type Single Lens
Camera Sensor(s) 20-megapixel
Camera Features F/2.0 aperture
Face beautification
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
FM Radio FM radio


Battery Capacity Non-removable Li-Po 6000 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

Samsung Galaxy M21 User Reviews and Opinions

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Disclaimer Note

We CANNOT guarantee 100% accuracy for the specification table above.

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