Display
Size:
5.9 inches
6.7 inches
6.5 inches
Resolution:
1520 x 720 pixels, 19:9 ratio, 285 PPI
2400 x 1080 pixels, 20:9 ratio, 395 PPI
1600 x 720 pixels, 20:9 ratio, 270 PPI
Technology:
IPS LCD
IPS LCD
TFT
Screen-to-body:
80.52 %
84.42 %
82.94 %
Colors:
16 777 216
Features:
Scratch-resistant glass (Corning Gorilla Glass), Ambient light sensor, Proximity sensor
HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
Proximity sensor
Hardware
System chip:
Qualcomm Snapdragon 625 MSM8953
Qualcomm Snapdragon 720G SM7125
Samsung Exynos 850
Processor:
Octa-core, 2000 MHz, ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 2300 MHz, Kryo 465, 64-bit, 8 nm
Octa-core, 2000 MHz, Arm Cortex-A55, 64-bit
GPU:
Adreno 506
Adreno 618
Mali-G76
RAM:
4GB LPDDR3
4GB LPDDR4
3GB LPDDR4
Internal storage:
64GB
64GB
32GB (eMMC 5.1), available to use: 19.5 GB
Storage expansion:
microSDXC up to 256 GB
microSDXC up to 512 GB
microSDXC up to 512 GB
Device type:
Smartphone
Smartphone
Smartphone
OS:
Android (9.0 Pie, 8.1 Oreo)
Android (11, 10)
Android (10), Samsung One UI
Battery
Capacity:
3000 mAh
5020 mAh
5000 mAh
Type:
Li - Polymer, Not user replaceable
Li - Polymer, Not user replaceable
Li - Polymer, Not user replaceable
Charging:
Motorola TurboPower
Fast charging
Fast charging
Camera
Rear:
Dual camera
Quad camera
Quad camera
Main camera:
13 MP (PDAF)
48 MP (PDAF)
48 MP (PDAF)
Specifications:
Aperture size: F2.0; Pixel size: 1.12 μm
Aperture size: F1.8; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Second camera:
2 MP (Depth information)
8 MP (Ultra-wide)
8 MP (Ultra-wide)
Specifications:
Aperture size: F2.4; Pixel size: 1.75 μm
Aperture size: F2.2; Pixel size: 1.12 μm
Aperture size: F2.2; Sensor size: 1/4"; Pixel size: 1.12 μm
Third camera:
5 MP (Macro, Autofocus)
2 MP (Macro)
Specifications:
Aperture size: F2.4; Pixel size: 1.12 μm
Aperture size: F2.4
Fourth camera:
2 MP (Depth information)
2 MP (Depth information)
Specifications:
Aperture size: F2.4; Pixel size: 1.75 μm
Aperture size: F2.4
Video recording:
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) (30 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (960 fps)
1920x1080 (Full HD) (30 fps)
Features:
Time-lapse video, Video calling, Video sharing
Front:
8 MP (Flash)
16 MP (HDR, Slow-motion videos)
13 MP
Video capture:
1920x1080 (Full HD)
1920x1080 (Full HD)
1920x1080 (Full HD)
Design
Dimensions:
5.91 x 2.83 x 0.31 inches (150 x 72 x 7.97 mm)
6.53 x 3.02 x 0.35 inches (165.75 x 76.68 x 8.8 mm)
6.44 x 2.96 x 0.35 inches (163.7 x 75.3 x 8.9 mm)
Weight:
5.71 oz (162.0 g)
7.37 oz (209.0 g)
6.77 oz (192.0 g)
Materials:
Back: Plastic
Back: Glass (Corning Gorilla Glass 5)
Biometrics:
Fingerprint (touch)
Fingerprint (touch)
2D Face unlock, Fingerprint (touch)
Keys:
Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key
Colors:
Black, White
Interstellar grey, Aurora blue, Glacier white
Black, White, Blue, Red
Cellular
LTE (FDD):
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 28(700 APT)
Bands 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)
LTE (TDD):
Bands 38(2600), 40(2300)
Bands 38(2600), 40(2300), 41(2600+)
UMTS:
Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)
Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)
Bands 5(850), 8(900), 2(1900), 1(2100)
Data Speed:
LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA, UMTS
LTE-A, 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:
Yes
Yes
Yes
SIM type:
Nano SIM
Nano SIM
Nano SIM
VoLTE:
Yes
Multimedia
Headphones:
3.5mm jack
3.5mm jack
3.5mm jack
Speakers:
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Features:
Album art cover, Background playback
Screen mirroring:
Wireless screen share
Wireless screen share
Wireless screen share
Radio:
FM
Additional microphone(s):
for Noise cancellation
for Noise cancellation
Connectivity & Features
Bluetooth:
4.2
5.0
5.0
Wi-Fi:
802.11 a, b, g, n, ac, dual-band; Hotspot, Wi-Fi Direct
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 2.0
Type-C (reversible)
Type-C (reversible), USB 2.0
Features:
Mass storage device, Charging
Charging
Charging
Location:
GPS, A-GPS, Glonass, Galileo
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, Compass
Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope
Other:
NFC, VoIP, Tethering, Computer sync, OTA sync
Infrared
NFC
Phone features
Notifications:
Haptic feedback, Music ringtones, Vibration
Other features:
Voice dialing, Voice commands, Voice recording, TTY/TDD
Buyers information
Price:
$ 400
$ 249
€ 240
User Manual:
This is the official Samsung Galaxy A21s User Guide in English provided from the manufacturer.
In The Box:
Charger, USB cable, Case
22.5W Wire charger, Simple protective cover, USB Type-C cable, SIM eject tool, User guide, Warranty card
Availability
Officially announced:
Aug 31, 2018
Mar 23, 2020
May 15, 2020
FCC OKs Cingular\'s purchase of AT&T Wireless