Display
Size:
6.5 inches
6.4 inches
Resolution:
1600 x 720 pixels, 20:9 ratio, 270 PPI
2340 x 1080 pixels, 403 PPI
Technology:
IPS LCD
Dynamic AMOLED
Refresh rate:
60Hz
120Hz
Screen-to-body:
79.20 %
86.77 %
Features:
Ambient light sensor, Proximity sensor
HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor
Hardware
System chip:
Mediatek Helio P35 MT6765 (12 nm)
Qualcomm Snapdragon 888 SM8350 (5 nm)
Processor:
Octa-core, 4x 2.3GHz Cortex-A53 + 4x 1.8GHz Cortex-A53, 64-bit
Octa-core, 2840 MHz, Kryo 680 Prime, 64-bit
GPU:
PowerVR GE8320
Adreno 660
RAM:
3GB LPDDR4
6GB
Internal storage:
32GB (eMMC 5.1), available to use: 19.8 GB
128GB
Storage expansion:
microSDXC up to 512 GB
Device type:
Smartphone
Smartphone
OS:
Android (10), Samsung One UI
Android (11)
Battery
Capacity:
4000 mAh
4500 mAh
Type:
Li - Polymer, Not user replaceable
Not user replaceable
Charging:
Fast charging
Qi wireless charging, Reverse wireless charging
Max charge speed:
Wired: 15.0W
Wired: 25.0W; Wireless: 15.0W
Camera
Rear:
Quad camera
Triple camera
Main camera:
16 MP (PDAF)
12 MP (OIS, PDAF)
Specifications:
Aperture size: F1.8; Sensor size: 1/3.06"; Pixel size: 1 μm
Aperture size: F1.8; Focal length: 26 mm
Second camera:
8 MP (Ultra-wide)
8 MP (Telephoto, OIS, Autofocus)
Specifications:
Aperture size: F2.2; Sensor size: 1/4"; Pixel size: 1.12 μm
Optical zoom: 3.0x; Aperture size: F2.4; Focal Length: 76 mm
Third camera:
2 MP (Macro)
12 MP (Ultra-wide)
Specifications:
Aperture size: F2.4
Aperture size: F2.2; Focal Length: 13 mm
Fourth camera:
2 MP (Depth information)
Specifications:
Aperture size: F2.4
Flash:
LED
LED
Video recording:
1920x1080 (Full HD) (30 fps)
3840x2160 (4K UHD) (60 fps)
Front:
13 MP
32 MP
Video capture:
1920x1080 (Full HD)
Design
Dimensions:
6.61 x 3.02 x 0.32 inches (167.8 x 76.7 x 8.1 mm)
6.13 x 2.93 x 0.31 inches (155.7 x 74.5 x 7.9 mm)
Weight:
6.81 oz (193.0 g)
6.00 oz (170.0 g)
Materials:
Back: Plastic; Frame: Plastic
Back: Plastic; Frame: Metal
Resistance:
Water, Dust; IP68
Biometrics:
Fingerprint (touch)
2D Face unlock, Ultrasonic in-screen fingerprint
Keys:
Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key
Colors:
Black
Cellular
5G:
5G Ready
4G (FDD):
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 66(AWS-3), 71(600)
4G (TDD):
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
3G:
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed:
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A, HSDPA+ (4G) 42.2 Mbit/s
Dual SIM:
Yes
SIM type:
Nano SIM
Nano SIM, eSIM
HD Voice:
Yes
Multimedia
Headphones:
3.5mm jack
No 3.5mm jack
Speakers:
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Screen mirroring:
Wireless screen share
Wireless screen share
Radio:
FM
FM, Stereo, RDS
Additional microphone(s):
for Noise cancellation
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, ax (Wi-Fi 6); Wi-Fi Direct, Hotspot
USB:
Type-C (reversible), USB 2.0
Type-C (reversible), USB 3.2
Features:
Charging
Charging, OTG
Location:
GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou
Sensors:
Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Other:
NFC
NFC
Hearing aid compatible:
M4, T3
Regulatory Approval
FCC approval:
Date approved:
Apr 17, 2020
Jun 29, 2021
FCC ID value:
ZCASMA215U
A3LSMG990U
Measured SAR:
Head:
0.42 W/kg
0.77 W/kg
Body:
1.27 W/kg
0.90 W/kg
Simultaneous Transmission:
1.27 W/kg
1.48 W/kg
Wireless Router:
1.27 W/kg
1.09 W/kg
Buyers information
Price:
$ 250
$ 700
In The Box:
This is the official Samsung Galaxy A21 User Guide in English provided from the manufacturer.
Availability
Officially announced:
Apr 08, 2020
Jan 04, 2022
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