Display
Size:
6.4 inches
6.5 inches
Resolution:
2310 x 1080 pixels, 19:9 ratio, 398 PPI
1600 x 720 pixels, 20:9 ratio, 270 PPI
Technology:
IPS LCD
IPS LCD
Refresh rate:
60Hz
Screen-to-body:
83.55 %
79.20 %
Features:
Ambient light sensor, Proximity sensor
Ambient light sensor, Proximity sensor
Hardware
System chip:
HiSilicon Kirin 810 (7 nm)
Mediatek Helio P35 MT6765 (12 nm)
Processor:
Octa-core, 2270 MHz, Arm Cortex-A76 and Arm Cortex-A55, 64-bit
Octa-core, 4x 2.3GHz Cortex-A53 + 4x 1.8GHz Cortex-A53, 64-bit
GPU:
Mali-G52 MP6
PowerVR GE8320
RAM:
6GB LPDDR4
3GB LPDDR4
Internal storage:
128GB (UFS 2.1)
32GB (eMMC 5.1), available to use: 19.8 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 (10), Samsung One UI
Battery
Capacity:
4200 mAh
4000 mAh
Type:
Li - Polymer, Not user replaceable
Li - Polymer, Not user replaceable
Charging:
Huawei SuperCharge
Fast charging
Max charge speed:
Wired: 40.0W
Wired: 15.0W
Camera
Rear:
Quad camera
Quad camera
Main camera:
48 MP (PDAF)
16 MP (PDAF)
Specifications:
Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F1.8; Sensor size: 1/3.06"; Pixel size: 1 μm
Second camera:
8 MP (Ultra-wide)
8 MP (Ultra-wide)
Specifications:
Aperture size: F2.4; Focal Length: 17 mm
Aperture size: F2.2; Sensor size: 1/4"; Pixel size: 1.12 μm
Third camera:
2 MP (Macro)
2 MP (Macro)
Specifications:
Aperture size: F2.4; Focal Length: 27 mm; Sensor size: 1/5"; Pixel size: 1.75 μm
Aperture size: F2.4
Fourth camera:
2 MP (Depth information)
2 MP (Depth information)
Specifications:
Aperture size: F2.4
Aperture size: F2.4
Flash:
LED
LED
Video recording:
1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD) (30 fps)
Features:
Time-lapse video, EIS
Front:
16 MP (HDR)
13 MP
Video capture:
1920x1080 (Full HD)
1920x1080 (Full HD)
Design
Dimensions:
6.27 x 3.00 x 0.34 inches (159.2 x 76.3 x 8.7 mm)
6.61 x 3.02 x 0.32 inches (167.8 x 76.7 x 8.1 mm)
Weight:
6.46 oz (183.0 g)
6.81 oz (193.0 g)
Materials:
Back: Plastic; Frame: Plastic
Back: Plastic; Frame: Plastic
Biometrics:
Fingerprint (touch)
Fingerprint (touch)
Keys:
Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key
Colors:
Midnight black, Crush green, Sakura pink
Black
Cellular
4G (FDD):
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 18(800 Lower), 19(800 Upper), 20(800 DD), 28(700 APT)
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 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
3G:
Bands 6(800), 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed:
LTE-A Cat 13/5 (400/75 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM:
Shared with microSD
SIM type:
Nano SIM
Nano SIM
HD Voice:
Yes
Multimedia
Headphones:
3.5mm jack
3.5mm jack
Speakers:
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Screen mirroring:
Wireless screen share
Wireless screen share
Radio:
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, dual-band; Wi-Fi Direct, Hotspot
USB:
Type-C (reversible), USB 2.0
Type-C (reversible), USB 2.0
Features:
Charging, OTG
Charging
Location:
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning
Sensors:
Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass
Other:
NFC
NFC
Hearing aid compatible:
M4, T3
Regulatory Approval
FCC approval:
Date approved:
Apr 17, 2020
FCC ID value:
ZCASMA215U
Measured SAR:
Head:
0.42 W/kg
Body:
1.27 W/kg
Simultaneous Transmission:
1.27 W/kg
Wireless Router:
1.27 W/kg
Buyers information
Price:
$ 250
In The Box:
40W Super Charger, Type-C cable, Headset, Quick Start Guide, Warranty Card, Eject tool, TPU Protective cover, TP protective film
This is the official Samsung Galaxy A21 User Guide in English provided from the manufacturer.
Availability
Officially announced:
Feb 27, 2020
Apr 08, 2020