Display
Size:
6.5 inches
5.8 inches
5.6 inches
Resolution:
1600 x 720 pixels, 20:9 ratio, 270 PPI
2340 x 1080 pixels, 19.5:9 ratio, 444 PPI
2220 x 1080 pixels, 18.5:9 ratio, 444 PPI
Technology:
IPS LCD
OLED
OLED
Screen-to-body:
79.20 %
82.53 %
73.93 %
Features:
60Hz refresh rate, Ambient light sensor, Proximity sensor
60Hz refresh rate, HDR support, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
Scratch-resistant glass (Dragontrail), Ambient light sensor, Proximity sensor
Hardware
System chip:
Mediatek Helio P35
Qualcomm Snapdragon 730 SM7150-AA
Qualcomm Snapdragon 670 SDM670
Processor:
Octa-core, 2300 MHz, Arm Cortex-A53, 64-bit, 12 nm
Octa-core, 2200 MHz, Kryo 470, 64-bit, 8 nm
Octa-core, 2000 MHz, Kryo 360, 64-bit, 10 nm
GPU:
PowerVR GE8320
Adreno 618
Adreno 615
RAM:
3GB LPDDR4
6GB LPDDR4
4GB LPDDR4
Internal storage:
32GB (eMMC 5.1), available to use: 19.8 GB
128GB, not expandable
64GB (eMMC), not expandable
Storage expansion:
microSDXC up to 512 GB
Device type:
Smartphone
Smartphone
Smartphone
OS:
Android (10), Samsung One UI
Android (11, 10)
Android (11, 10, 9.0 Pie)
Battery
Capacity:
4000 mAh
3140 mAh
3000 mAh
Type:
Li - Polymer, Not user replaceable
Li - Polymer, Not user replaceable
Not user replaceable
Charging:
Fast charging
USB Power Delivery
USB Power Delivery
Max charge speed:
Wired: 15.0W
Wired: 18.0W
Camera
Rear:
Quad camera
Single camera
Single camera
Main camera:
16 MP (PDAF)
12.2 MP (OIS, PDAF)
12.2 MP (OIS, PDAF)
Specifications:
Aperture size: F1.8; Sensor size: 1/3.06"; Pixel size: 1 μm
Aperture size: F1.7; Focal length: 27 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Aperture size: F1.8; Focal length: 28 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Second camera:
8 MP (Ultra-wide)
Specifications:
Aperture size: F2.2; Sensor size: 1/4"; Pixel size: 1.12 μm
Third camera:
2 MP (Macro)
Specifications:
Aperture size: F2.4
Fourth camera:
2 MP (Depth information)
Specifications:
Aperture size: F2.4
Video recording:
1920x1080 (Full HD) (30 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
Features:
EIS
EIS
Front:
13 MP
8 MP
8 MP
Video capture:
1920x1080 (Full HD)
1920x1080 (Full HD)
1920x1080 (Full HD)
Design
Dimensions:
6.61 x 3.02 x 0.32 inches (167.8 x 76.7 x 8.1 mm)
5.67 x 2.73 x 0.32 inches (144 x 69.4 x 8.2 mm)
5.96 x 2.76 x 0.32 inches (151.3 x 70.1 x 8.2 mm)
Weight:
6.81 oz (193.0 g)
5.04 oz (143.0 g)
5.19 oz (147.0 g)
Materials:
Back: Plastic; Frame: Plastic
Back: Plastic; Frame: Plastic
Back: Plastic
Biometrics:
Fingerprint (touch)
Fingerprint (touch)
Fingerprint (touch)
Keys:
Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key
Colors:
Black
Just black
Black, Purple, White
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), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 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), 17(700 b), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 32(1500 L-band), 66(AWS-3)
LTE (TDD):
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
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), 4(1700/2100), 2(1900), 1(2100)
Data Speed:
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A Cat 11 (600/75 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A Cat 11 (600/75 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM:
Yes
SIM type:
Nano SIM
Nano SIM, eSIM
Nano SIM
HD Voice:
Yes
Yes
Multimedia
Headphones:
3.5mm jack
3.5mm jack
3.5mm jack
Speakers:
Earpiece, Loudspeaker
Earpiece, Multiple speakers
Earpiece, Multiple speakers
Features:
aptX, aptX-HD
aptX-HD
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:
5.0
5.1
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; MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; MIMO, Wi-Fi Direct, Hotspot
USB:
Type-C (reversible), USB 2.0
Type-C (reversible), USB 3.1
Type-C (reversible), USB 2.0
Features:
Charging
Charging
Charging, Mass storage device
Location:
GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
Sensors:
Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass, Barometer
Accelerometer, Gyroscope, Compass, Barometer
Other:
NFC
NFC
NFC, VoIP, Tethering, Computer sync, OTA sync
Hearing aid compatible:
M4, T3
M3, T4
M3, T3
Regulatory Approval
FCC approval:
Date approved:
Apr 17, 2020
Jun 25, 2020
Feb 25, 2019
Measured SAR:
Head:
0.42 W/kg
1.18 W/kg
1.15 W/kg
Body:
1.27 W/kg
1.19 W/kg
1.13 W/kg
Simultaneous Transmission:
1.27 W/kg
1.59 W/kg
1.59 W/kg
Wireless Router:
1.27 W/kg
1.00 W/kg
1.19 W/kg
Buyers information
Price:
$ 250
$ 349
$ 399
In The Box:
This is the official Samsung Galaxy A21 User Guide in English provided from the manufacturer.
18W USB-C power adapter, 1 m USB-C to USB-C cable (USB 2.0), Quick Start Guide, Quick Switch Adapter, SIM tool
18W USB-C power adapter, 1M USB-C to USB-C cable (USB 2.0), Quick Start Guide, Quick Switch Adapter, SIM tool
Availability
Officially announced:
Apr 08, 2020
Aug 03, 2020
May 07, 2019
FCC OKs Cingular\'s purchase of AT&T Wireless