Display
Size:
6.4 inches
5.7 inches
Resolution:
2340 x 1080 pixels, 19.5:9 ratio, 403 PPI
1520 x 720 pixels, 19:9 ratio, 295 PPI
Technology:
Super AMOLED
LCD
Screen-to-body:
84.11 %
77.54 %
Peak brightness:
420 cd/m2 (nit)
Features:
Scratch-resistant glass (Corning Gorilla Glass 3), Proximity sensor
Ambient light sensor, Proximity sensor
Hardware
System chip:
Exynos 9611 (10 nm)
Qualcomm Snapdragon 439 SDM439 (12 nm)
Processor:
Octa-core, 4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53, 64-bit
Octa-core, 4x 2.0GHz Cortex-A53 + 4x 1.45GHz Cortex-A53, 64-bit
GPU:
Mali-G72 MP3
Adreno 505
RAM:
4GB LPDDR4
3GB
Internal storage:
64GB, available to use: 49 GB
32GB (eMMC 5.1), available to use: 22.1 GB
Storage expansion:
microSDXC up to 512 GB
microSDXC up to 512 GB
Device type:
Smartphone
Smartphone
OS:
Android (11, 10), Samsung One UI
Android (11, 10)
Battery
Capacity:
6000 mAh
4000 mAh
Type:
Li - Polymer, Not user replaceable
Not user replaceable
Charging:
Fast charging
Camera
Rear:
Triple camera
Dual camera
Main camera:
48 MP (PDAF)
13 MP (Autofocus)
Specifications:
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F2.2; Focal length: 28 mm; Sensor size: 1/3.1"; Pixel size: 1.12 μm
Second camera:
8 MP (Ultra-wide)
2 MP (Depth information)
Specifications:
Aperture size: F2.2; Focal Length: 12 mm; Sensor size: 1/4"; Pixel size: 1.12 μm
Aperture size: F2.4
Third camera:
5 MP (Depth information)
Specifications:
Aperture size: F2.2
Flash:
LED
LED
Video recording:
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD), 1280x720 (HD) (240 fps)
1920x1080 (Full HD) (30 fps)
Features:
EIS
Front:
20 MP (HDR)
5 MP
Video capture:
1920x1080 (Full HD)
Design
Dimensions:
6.26 x 2.96 x 0.35 inches (159.0 x 75.1 x 8.9 mm)
5.81 x 2.79 x 0.39 inches (147.5 x 70.9 x 9.8 mm)
Weight:
6.63 oz (188.0 g)
5.93 oz (168.0 g)
Materials:
Back: Plastic; Frame: Plastic
Back: Plastic; Frame: Plastic
Biometrics:
2D Face unlock, Fingerprint (touch)
2D Face unlock
Keys:
Right: Volume control, Lock/Unlock key
Left: Volume control; Right: Lock/Unlock key
Colors:
Midnight blue, Raven black
Black, Blue, Red
Cellular
4G (FDD):
Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD)
Bands 1(2100), 3(1800), 5(850), 8(900)
4G (TDD):
Bands 38(2600), 40(2300), 41(2600+)
Bands 40(2300), 41(2600+)
3G:
Bands 1(2100), 2(1900), 5(850), 8(900)
Bands 1(2100), 5(850), 8(900)
Data Speed:
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM:
Yes
Yes
SIM type:
Nano SIM
Nano SIM
Multimedia
Headphones:
3.5mm jack
3.5mm jack
Speakers:
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Features:
Dolby Atmos
Dolby Atmos
Screen mirroring:
Wireless screen share
Wireless screen share
Radio:
FM
FM
Connectivity & Features
Bluetooth:
5.0
4.2
Wi-Fi:
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
802.11 b, g, n; Wi-Fi Direct, Hotspot
USB:
Type-C (reversible), USB 2.0
microUSB, USB 2.0
Features:
Charging
Charging, OTG
Location:
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors:
Accelerometer, Gyroscope
Accelerometer
Buyers information
In The Box:
This is the official Samsung Galaxy M21 User Guide in English provided from the manufacturer.
Data cable, Ejection pin, User manual
Availability
Officially announced:
Mar 18, 2020