Display
Size:
6.8 inches
6.5 inches
Resolution:
3040 x 1440 pixels, 19:9 ratio, 498 PPI
1600 x 720 pixels, 20:9 ratio, 270 PPI
Technology:
Dynamic AMOLED
IPS LCD
Screen-to-body:
90.74 %
79.20 %
Features:
60Hz refresh rate, HDR support, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor
60Hz refresh rate, Ambient light sensor, Proximity sensor
Hardware
System chip:
Qualcomm Snapdragon 855 SM8150
Mediatek Helio P35
Processor:
Octa-core, 2840 MHz, Kryo 485, 64-bit, 7 nm
Octa-core, 2300 MHz, Arm Cortex-A53, 64-bit, 12 nm
GPU:
Adreno 640
PowerVR GE8320
RAM:
12GB LPDDR4
3GB LPDDR4
Internal storage:
256GB (UFS 3.0), available to use: 223.5 GB
32GB (eMMC 5.1), available to use: 19.8 GB
Storage expansion:
microSDXC up to 2000 GB
microSDXC up to 512 GB
Device type:
Smartphone
Smartphone
OS:
Android (11, 10, 9.0 Pie), Samsung One UI
Android (10), Samsung One UI
Battery
Capacity:
4300 mAh
4000 mAh
Type:
Li - Ion, Not user replaceable
Li - Polymer, Not user replaceable
Charging:
Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging
Fast charging
Max charge speed:
Wired: 45.0W; Wireless: 15.0W
Wired: 15.0W
Camera
Rear:
Quad camera
Quad camera
Main camera:
12 MP (OIS, PDAF)
16 MP (PDAF)
Specifications:
Aperture size: F1.5/F2.4; Focal length: 27 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Aperture size: F1.8; Sensor size: 1/3.06"; Pixel size: 1 μm
Second camera:
12 MP (Telephoto, OIS, PDAF)
8 MP (Ultra-wide)
Specifications:
Optical zoom: 2.0x; Aperture size: F2.1; Focal Length: 52 mm; Sensor size: 1/3.6"; Pixel size: 1 μm
Aperture size: F2.2; Sensor size: 1/4"; Pixel size: 1.12 μm
Third camera:
16 MP (Ultra-wide)
2 MP (Macro)
Specifications:
Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1 μm
Aperture size: F2.4
Fourth camera:
0.3 MP VGA (ToF 3D depth sensing)
2 MP (Depth information)
Specifications:
Aperture size: F2.4
Video recording:
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)
1920x1080 (Full HD) (30 fps)
Features:
OIS, HDR, Time-lapse video, Hyperlapse, EIS
Front:
10 MP (Autofocus, HDR)
13 MP
Video capture:
3840x2160 (4K UHD) (30 fps)
1920x1080 (Full HD)
Design
Dimensions:
6.39 x 3.04 x 0.31 inches (162.3 x 77.2 x 7.9 mm)
6.61 x 3.02 x 0.32 inches (167.8 x 76.7 x 8.1 mm)
Weight:
6.91 oz (196.0 g)
6.81 oz (193.0 g)
Materials:
Back: Glass (Corning Gorilla Glass 6); Frame: Aluminum
Back: Plastic; Frame: Plastic
Resistance:
Water, Dust; IP68
Biometrics:
2D Face unlock, Ultrasonic in-screen fingerprint
Fingerprint (touch)
Features:
Stylus
Keys:
Left: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key
Colors:
Aura glow, Aura white, Aura blue
Black
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), 14(700 PS), 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)
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)
LTE (TDD):
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
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 Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
LTE-A Cat 6 (300/50 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:
No 3.5mm jack
3.5mm jack
Speakers:
Earpiece, Multiple speakers
Earpiece, Loudspeaker
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, ax, dual-band; MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
USB:
Type-C (reversible), USB 3.1
Type-C (reversible), USB 2.0
Features:
Charging, Headphones port, OTG, Video out
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, Hall (for flip covers), Barometer
Accelerometer, Gyroscope, Compass
Other:
NFC, ANT+, UMA (Wi-Fi Calling)
NFC
Hearing aid compatible:
M4, T3
Regulatory Approval
FCC approval:
Date approved:
Jul 19, 2019
Apr 17, 2020
FCC ID value:
A3LSMN975U
ZCASMA215U
Measured SAR:
Head:
0.19 W/kg
0.42 W/kg
Body:
1.14 W/kg
1.27 W/kg
Simultaneous Transmission:
1.59 W/kg
1.27 W/kg
Wireless Router:
1.34 W/kg
1.27 W/kg
Phablet:
3.98 W/kg
Buyers information
Price:
$ 1100
$ 250
In The Box:
USB cable, OTG adapter, Travel adapter, Ejector tool, S Pen tips and tweezers, Extra earbuds, USB-C AKG headset, Terms and Conditions, Quick Reference guide and User manual
This is the official Samsung Galaxy A21 User Guide in English provided from the manufacturer.
Availability
Officially announced:
Aug 07, 2019
Apr 08, 2020
FCC OKs Cingular\'s purchase of AT&T Wireless