Samsung Galaxy A21s Specifications

Key Specs General Performance Display Design Rear Camera Front Camera Battery Storage Network & Connectivity Multimedia Sensors

Key Specs
RAM & Storage 4 GB RAM + 64 GB
6 GB RAM + 64 GB
6 GB RAM + 128 GB
Processor Samsung Exynos 8 Octa 850
Rear Camera 48 MP + 8 MP + 2 MP + 2 MP
Front Camera 13 MP
Battery 5000 mAh
Display 6.5 inches (16.51 cm)

General
Launch Date June 17, 2020 (Official)
Operating System Android v10 (Q)
Custom UI Samsung One UI

Performance

(Good)
Chipset Samsung Exynos 8 Octa 850
Processor Octa core (2 GHz, Quad core, Cortex A55 + 2 GHz, Quad core, Cortex A55)
Architecture 64 bit
Fabrication 8 nm
Graphics (GPU) Mali-G52 MP1
RAM 4 GB / 6 GB
RAM Type LPDDR4X
Performance Test Results icon View AnTuTu Score
AnTuTu Score 121,139
Bootup Time 31.0 s
Speed Test (Antutu Score)
The higher, the better
Tecno Pova Curve 5G 684,142 
Tecno Pova 7 5G 676,261 
POCO C85 5G 553,034 
Lava Virat V1 5G 515,146 
Ai+ Nova 2 5G 513,416 
OPPO K13x 5G 447,305 
Samsung Galaxy A21s 121,139 
*Group: 12-16k Phones
See comparison with other phones
Bootup Time
The lower, the better
Lava Virat V1 5G 20 s
Lava Bold N2 5G 20 s
Tecno Pova Curve 5G 22 s
POCO C85 5G 27 s
Tecno Pova 7 5G 27 s
Samsung Galaxy A21s 31 s
Tecno Spark Go 3 Pro 4G 35 s
*Group: 12-16k Phones
See comparison with other phones
Gaming Test Results icon
Battery Drain* 6.0 %
Heating* 15.5 %
* after 30 mins of gaming
Battery Drain*
The lower, the better
POCO C85 5G 5 %
OPPO K13x 5G 5 %
realme P4 Lite 4G 6 %
Samsung Galaxy A21s 6 %
Ai+ Nova 2 5G 7 %
Tecno Pova 7 5G 7 %
Tecno Pova Curve 5G 7 %
*Group: 12-16k Phones
See comparison with other phones
Heating*
The lower, the better
Tecno Pova Curve 5G 13.0 %
POCO C85 5G 13.4 %
Samsung Galaxy A21s 15.5 %
Ai+ Nova 2 5G 22.5 %
Tecno Pova 7 5G 24.3 %
realme P4 Lite 4G 28.1 %
OPPO K13x 5G 42.4 %
*Group: 12-16k Phones
See comparison with other phones
Benchmark Screenshots
Benchmarks
AnTuTu Benchmark
Benchmarks
Graphics Benchmark
Benchmarks
GeekBench5 Benchmark
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Display

(Excellent)
Display Type PLS TFT LCD
Screen Size 6.5 inches (16.51 cm)
Resolution 720x1600 px (HD+)
Refresh Rate 60 Hz
Aspect Ratio 20:9
Pixel Density 270 ppi
Screen to Body Ratio (calculated) 82.75 %
Bezel-less Display Yes with punch-hole display
UI Screenshots
UI Screenshot
Lock Screen
UI Screenshot
Home Screen
UI Screenshot
Screen With Widgets
UI Screenshot
Dialer Screen
UI Screenshot
App Drawer
UI Screenshot
Notification Panel
UI Screenshot
Quick Settings Panel
UI Screenshot
Settings Screen
UI Screenshot
OS Version
UI Screenshot
Storage
UI Screenshot
Battery
UI Screenshot
Camera On
UI Screenshot
Camera Options
UI Screenshot
Camera Modes
UI Screenshot
Camera Settings
UI Screenshot
Picture Size Options
UI Screenshot
Video Size Options

Design
Height 163.7 mm
Width 75.3 mm
Thickness 8.9 mm
Weight 192 grams
Build Material Back: Plastic
Click to View Click to View

Rear Camera

(Good)
Resolution
CameraMPLens FeaturesApertureSensor SizePixel SizeZoomFocal Length
Primary48 MPWide Anglef/2.01/2" 0.8µmupto 8x Digital Zoom26 mm
Secondary8 MPUltra-Wide Anglef/2.21/4.0" 1.12µm
Tertiary2 MPMacrof/2.4
Quaternary2 MPDepthf/2.4
Autofocus Yes, Phase Detection Autofocus
OIS No
Flash Yes, LED Flash
Image Resolution 8000 x 6000 Pixels
Settings Exposure compensation, ISO control
Shooting Modes Continuous Shooting
High Dynamic Range mode (HDR)
Camera Features 8 x Digital Zoom
Auto Flash
Face detection
Touch to focus
Video Recording Full HD @30 fps
Rear Camera Samples
Rear Camera
Wide Angle
Rear Camera
Portrait Shot
Rear Camera
Night Mode OFF
Rear Camera
Close Up
Rear Camera
Low Light
Rear Camera
Low Light With Flash
Rear Camera
Colour Variance
Rear Camera
Daylight Auto / HDR OFF
Rear Camera
Daylight / HDR ON
Rear Camera
Macro

Front Camera

(Very Good)
Resolution
CameraMPApertureSensor SizePixel Size
Primary13 MPf/2.21/3.1"1.12µm
Autofocus No
Flash No
Video Recording Full HD @30 fps
Front Camera Samples
Front Camera
Selfie
Front Camera
Selfie Portrait
Front Camera
Selfie Low Light
Front Camera
Selfie Low Light With Flash

Battery

(Very Good)
Capacity 5000 mAh
Battery Type Li-ion
TalkTime Up to 54 Hours(4G)
Quick Charging Yes, 15W Fast Charging
Battery Test Results icon
Battery Life (PC Mark) 16h 19m
Charging Time (20% to 100%) 1h 44m 7s
Battery Life (PC Mark)
The higher, the better
Lava Virat V1 5G 21.5 hrs
Samsung Galaxy A21s 16.3 hrs
POCO C85 5G 15.3 hrs
Tecno Pova 7 5G 11.6 hrs
Tecno Pova Curve 5G 11.3 hrs
Ai+ Nova 2 5G 11 hrs
Tecno Spark Go 3 Pro 4G 10.6 hrs
*Group: 12-16k Phones
See comparison with other phones
Charging Time (20% to 100%)
The lower, the better
Tecno Pova Curve 5G 0.9 hrs
POCO C85 5G 1.1 hrs
OPPO K13x 5G 1.2 hrs
Tecno Pova 7 5G 1.2 hrs
Samsung Galaxy A21s 1.7 hrs
Lava Bold N2 5G 2.9 hrs
Lava Virat V1 5G 3.1 hrs
*Group: 12-16k Phones
See comparison with other phones

Storage
Internal Storage 64 GB / 128 GB
Storage Type eMMC 5.1
Expandable Storage Yes, Up to 512 GB

Network & Connectivity
SIM Slot(s) Dual SIM
SIM Type SIM1: Nano, SIM2: Nano
Network Support 5G Not Supported, 4G
VoLTE Yes
SIM 1 4G bands
Expand
Bands Features
4G bandsTD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 850(band 5) / 800(band 20)
SIM 2 4G bands
Expand
Bands Features
4G bandsTD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 850(band 5) / 800(band 20)
SAR Value Head: 0.831 W/kg
Wi-Fi Yes, Wi-Fi 5 (802.11 b/g/n/ac) 5GHz
Wi-Fi Features Wi-Fi Direct, Mobile Hotspot
Bluetooth Yes, v5.0
GPS Yes with A-GPS, Glonass
NFC No

Multimedia
Audio Jack 3.5 mm

Sensors
Fingerprint Sensor Yes
Fingerprint Sensor Position Rear
Other Sensors Light sensor, Proximity sensor, Accelerometer, Gyroscope
Mobiles› Samsung Galaxy A21s› Samsung Galaxy A21s Specifications
Updated on: October 7, 2026