Display
Size:
6.5 inches
6.1 inches
Resolution:
1600 x 720 pixels, 20:9 ratio, 270 PPI
3040 x 1440 pixels, 19:9 ratio, 550 PPI
Technology:
IPS LCD
Dynamic AMOLED
Refresh rate:
60Hz
Screen-to-body:
79.20 %
88.66 %
Features:
Ambient light sensor, Proximity sensor
HDR support, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor
Hardware
System chip:
Mediatek Helio P35
Qualcomm Snapdragon 855
Processor:
Octa-core, 2300 MHz, Arm Cortex-A53, 64-bit, 12 nm
Octa-core, 2840 MHz, Kryo 485, 64-bit, 7 nm
GPU:
PowerVR GE8320
Adreno 640
RAM:
3GB LPDDR4
8GB LPDDR4
Internal storage:
32GB (eMMC 5.1), available to use: 19.8 GB
128GB
Storage expansion:
microSDXC up to 512 GB
microSDXC up to 512 GB
Device type:
Smartphone
Smartphone
OS:
Android (10), Samsung One UI
Android (11, 10, 9.0 Pie), Samsung One UI
Battery
Capacity:
4000 mAh
3400 mAh
Type:
Li - Polymer, Not user replaceable
Li - Ion, Not user replaceable
Charging:
Fast charging
Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging
Max charge speed:
Wired: 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: F1.5/F2.4; Focal length: 26 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Second camera:
8 MP (Ultra-wide)
12 MP (Telephoto, OIS, PDAF)
Specifications:
Aperture size: F2.2; Sensor size: 1/4"; Pixel size: 1.12 μm
Optical zoom: 2.0x; Aperture size: F2.4; Focal Length: 52 mm; Sensor size: 1/3.6"; Pixel size: 1 μm
Third camera:
2 MP (Macro)
16 MP (Ultra-wide)
Specifications:
Aperture size: F2.4
Aperture size: F2.2; Focal Length: 12 mm; Sensor size: 1/3.1"; Pixel size: 1 μm
Fourth camera:
2 MP (Depth information)
Specifications:
Aperture size: F2.4
Video recording:
1920x1080 (Full HD) (30 fps)
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)
Features:
HDR, Time-lapse video, Hyperlapse, Picture-taking during video recording, Video light, EIS, Video calling, Video sharing
Front:
13 MP
10 MP (Autofocus, HDR)
Video capture:
1920x1080 (Full HD)
3840x2160 (4K UHD)
Design
Dimensions:
6.61 x 3.02 x 0.32 inches (167.8 x 76.7 x 8.1 mm)
5.90 x 2.77 x 0.31 inches (149.9 x 70.4 x 7.8 mm)
Weight:
6.81 oz (193.0 g)
5.54 oz (157.0 g)
Materials:
Back: Plastic; Frame: Plastic
Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum
Resistance:
Water, Dust; IP68
Biometrics:
Fingerprint (touch)
2D Face unlock, Ultrasonic in-screen fingerprint
Keys:
Right: Volume control, Lock/Unlock key
Left: Volume control, Other; Right: Lock/Unlock key
Colors:
Black
Prism blue, Prism black, Prism white, Prism green, Flamingo pink
Cellular
LTE (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)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)
LTE (TDD):
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46
UMTS:
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
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 Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
SIM type:
Nano SIM
Nano SIM
HD Voice:
Yes
Yes
Multimedia
Headphones:
3.5mm jack
3.5mm jack
Speakers:
Earpiece, Loudspeaker
Earpiece, Multiple speakers
Features:
32-Bit DAC, Dolby Atmos, aptX-HD
Screen mirroring:
Wireless screen share
Wireless screen share
Radio:
FM
FM
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, dual-band; MIMO, Wi-Fi Direct, Hotspot
USB:
Type-C (reversible), USB 2.0
Type-C (reversible), USB 3.1
Features:
Charging
Charging, OTG, Video out
Location:
GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors:
Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Heart rate, Barometer
Other:
NFC
NFC, ANT+
Hearing aid compatible:
M4, T3
M4, T4
Regulatory Approval
FCC approval:
Date approved:
Apr 17, 2020
Feb 01, 2019
FCC ID value:
ZCASMA215U
A3LSMG973U
Measured SAR:
Head:
0.42 W/kg
0.39 W/kg
Body:
1.27 W/kg
1.37 W/kg
Simultaneous Transmission:
1.27 W/kg
1.59 W/kg
Wireless Router:
1.27 W/kg
1.35 W/kg
Phablet:
3.99 W/kg
Buyers information
Price:
$ 250
$ 900
In The Box:
This is the official Samsung Galaxy A21 User Guide in English provided from the manufacturer.
Data cable, Travel adapter, Ejection Pin, USB Connector (OTG), Earphones by AKG, Quick Start Guide, Protective film
Availability
Officially announced:
Apr 08, 2020
Feb 20, 2019
FCC OKs Cingular\'s purchase of AT&T Wireless