Display
Size:
6.4 inches
6.4 inches
Resolution:
1560 x 720 pixels, 19:9 ratio, 268 PPI
2340 x 1080 pixels, 19.5:9 ratio, 403 PPI
Technology:
IPS LCD
Super AMOLED
Screen-to-body:
82.36 %
84.11 %
Peak brightness:
420 cd/m2 (nit)
Features:
Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 3), Proximity sensor
Hardware
System chip:
Qualcomm Snapdragon 665 SM6125 (11 nm)
Exynos 9611 (10 nm)
Processor:
Octa-core, 2000 MHz, Kryo 260, 64-bit
Octa-core, 4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53, 64-bit
GPU:
Adreno 610
Mali-G72 MP3
RAM:
4GB
4GB LPDDR4
Internal storage:
64GB, available to use: 51 GB
64GB, available to use: 49 GB
Storage expansion:
microSDXC up to 512 GB
microSDXC up to 512 GB
Device type:
Smartphone
Smartphone
OS:
Android (10)
Android (11, 10), Samsung One UI
Battery
Capacity:
4000 mAh
6000 mAh
Type:
Not user replaceable
Li - Polymer, Not user replaceable
Charging:
Qualcomm Quick Charge 3.0
Fast charging
Max charge speed:
Wired: 10.0W
Camera
Rear:
Triple camera
Triple camera
Main camera:
16 MP (Laser autofocus)
48 MP (PDAF)
Specifications:
Aperture size: F1.7; Pixel size: 1.12 μm
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Second camera:
8 MP (Ultra-wide)
8 MP (Ultra-wide)
Specifications:
Aperture size: F2.2; Pixel size: 1.12 μm
Aperture size: F2.2; Focal Length: 12 mm; Sensor size: 1/4"; Pixel size: 1.12 μm
Third camera:
2 MP (Macro)
5 MP (Depth information)
Specifications:
Aperture size: F2.2; Pixel size: 1.75 μm
Aperture size: F2.2
Flash:
LED
LED
Video recording:
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (60 fps), 1280x720 (HD)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD), 1280x720 (HD) (240 fps)
Features:
Time-lapse video, Hyperlapse, EIS
EIS
Front:
8 MP (HDR, Slow-motion videos)
20 MP (HDR)
Video capture:
1920x1080 (Full HD)
Design
Dimensions:
6.35 x 2.98 x 0.35 inches (161.27 x 75.8 x 8.95 mm)
6.26 x 2.96 x 0.35 inches (159.0 x 75.1 x 8.9 mm)
Weight:
6.64 oz (188.3 g)
6.63 oz (188.0 g)
Materials:
Back: Plastic
Back: Plastic; Frame: Plastic
Resistance:
Splash
Biometrics:
Fingerprint (touch)
2D Face unlock, Fingerprint (touch)
Keys:
Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key
Colors:
Neon blue, Pearl white
Midnight blue, Raven black
Cellular
4G (FDD):
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD)
Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD)
4G (TDD):
Bands 38(2600), 40(2300), 41(2600+)
Bands 38(2600), 40(2300), 41(2600+)
3G:
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Bands 1(2100), 2(1900), 5(850), 8(900)
Data Speed:
LTE-A Cat 12/13 (600/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM:
Shared with microSD
Yes
SIM type:
Nano SIM
Nano SIM
Multimedia
Headphones:
3.5mm jack
3.5mm jack
Speakers:
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Features:
Dolby Atmos
Screen mirroring:
Wireless screen share
Wireless screen share
Radio:
FM, Stereo, RDS
FM
Additional microphone(s):
for Noise cancellation
Connectivity & Features
Bluetooth:
5.0
5.0
Wi-Fi:
802.11 b, g, n; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
USB:
Type-C (reversible), USB 2.0
Type-C (reversible), USB 2.0
Features:
Charging
Charging
Location:
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors:
Accelerometer, Gyroscope
Accelerometer, Gyroscope
Regulatory Approval
FCC approval:
Date approved:
Jun 10, 2020
FCC ID value:
IHDT56YT3
Measured SAR:
Head:
0.41 W/kg
Body:
1.34 W/kg
Simultaneous Transmission:
1.45 W/kg
Wireless Router:
1.39 W/kg
Buyers information
In The Box:
10W rapid charger, USB-C cable, SIM pin, guides, Earphones (for selected countries and regions), Protect cover, Protect film (for selected countries and regions)
This is the official Samsung Galaxy M21 User Guide in English provided from the manufacturer.
Availability
Officially announced:
Mar 05, 2020
Mar 18, 2020
FCC OKs Cingular\'s purchase of AT&T Wireless