Display
Size:
8.0 inches
6.4 inches
Resolution:
2480 x 2200 pixels, 414 PPI
2340 x 1080 pixels, 19.5:9 ratio, 403 PPI
Technology:
OLED
Super AMOLED
Screen-to-body:
86.86 %
84.11 %
Peak brightness:
420 cd/m2 (nit)
Features:
Folding around the outside, Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 3), Proximity sensor
Front cover display:
6.6 inches, 1148 x 2480 pixels, Part of the main display
Rear cover display:
6.4 inches, 892 pixels 2480 x, Part of the main display
Hardware
System chip:
HiSilicon Kirin 990 5G (7 nm)
Exynos 9611 (10 nm)
Processor:
Octa-core, 2860 MHz, ARM Cortex-A76 and ARM Cortex-A55, 64-bit
Octa-core, 4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53, 64-bit
GPU:
Mali-G76 MP16
Mali-G72 MP3
RAM:
8GB LPDDR4
4GB LPDDR4
Internal storage:
512GB
64GB, available to use: 49 GB
Storage expansion:
Nano Memory (NM) up to 256 GB
microSDXC up to 512 GB
Device type:
Smartphone
Smartphone
OS:
Android (10), Huawei Emotion UI
Android (11, 10), Samsung One UI
Battery
Capacity:
4500 mAh
6000 mAh
Type:
Li - Polymer, Not user replaceable
Li - Polymer, Not user replaceable
Charging:
Huawei SuperCharge
Fast charging
Max charge speed:
Wired: 55.0W
Camera
Rear:
Quad camera, Doubles as a selfie camera
Triple camera
Main camera:
40 MP (PDAF)
48 MP (PDAF)
Specifications:
Aperture size: F1.8; Focal length: 27 mm; Sensor size: 1/1.7"
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Second camera:
8 MP (Telephoto, OIS, Laser and PDAF)
8 MP (Ultra-wide)
Specifications:
Optical zoom: 3.0x; Aperture size: F2.4; Focal Length: 80 mm; Sensor size: 1/4"
Aperture size: F2.2; Focal Length: 12 mm; Sensor size: 1/4"; Pixel size: 1.12 μm
Third camera:
16 MP (Ultra-wide, Laser and PDAF)
5 MP (Depth information)
Specifications:
Aperture size: F2.2; Focal Length: 16 mm
Aperture size: F2.2
Fourth camera:
ToF 3D depth sensing
Flash:
Dual LED
LED
Video recording:
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (30 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD), 1280x720 (HD) (240 fps)
Features:
Video calling, Video sharing
EIS
Front:
20 MP (HDR)
Video capture:
1920x1080 (Full HD)
Design
Dimensions:
6.35 x 5.76 x 0.43 inches (161.3 x 146.2 x 11 mm )
6.26 x 2.96 x 0.35 inches (159.0 x 75.1 x 8.9 mm)
Folded:
6.35 x 3.08 x 0.43 inches (161.3 x 78.3 x 11 mm)
Weight:
10.58 oz (300.0 g)
6.63 oz (188.0 g)
Materials:
Back: Aluminum; Frame: Aluminum
Back: Plastic; Frame: Plastic
Biometrics:
Fingerprint (touch)
2D Face unlock, Fingerprint (touch)
Keys:
Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key
Colors:
Interstellar blue
Midnight blue, Raven black
Cellular
5G:
n1, n3, n28, n38, n41, n77, n78, n79, SA, NSA
4G (FDD):
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 9(1800), 12(700 a), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+), 28(700 APT), 32(1500 L-band)
Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD)
4G (TDD):
Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+)
Bands 38(2600), 40(2300), 41(2600+)
3G:
Bands 6(800), 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)
Bands 1(2100), 2(1900), 5(850), 8(900)
Data Speed:
LTE-A Pro Cat 21 (1400/200 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
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:
No 3.5mm jack
3.5mm jack
Speakers:
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Features:
Album art cover, Background playback
Dolby Atmos
Screen mirroring:
Wireless screen share
Wireless screen share
Radio:
FM
Connectivity & Features
Bluetooth:
5.0
5.0
Wi-Fi:
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
USB:
Type-C (reversible), USB 3.1
Type-C (reversible), USB 2.0
Features:
Charging, Headphones port
Charging
Location:
GPS, A-GPS, Glonass, Galileo, BeiDou, Dual-band positioning, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors:
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Accelerometer, Gyroscope
Other:
NFC, Infrared
Buyers information
In The Box:
Quick Start Guide, Type-C digital headset, Charger Type-C Cable, Eject pin, Folding Protective Case, Warranty card, Precautions carд, Folding Protective Case Installation Guide
This is the official Samsung Galaxy M21 User Guide in English provided from the manufacturer.
Availability
Officially announced:
Feb 24, 2020
Mar 18, 2020