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Samsung Galaxy A21s 128GB 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	October 20, 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

OnePlus Nord CE 6 Lite 5G 1,015,733

realme P3 764,410

vivo T4X 685,052

Moto G86 Power 677,110

Samsung Galaxy A17 5G 604,677

realme P4R 5G 603,216

Samsung Galaxy A21s 128GB 121,139

*Group: 14-20k Phones

See comparison with other phones

Bootup Time

The lower, the better

Lava Play Ultra 15 s

vivo T4X 26 s

OnePlus Nord CE 6 Lite 5G 26 s

realme P3 27 s

Samsung Galaxy A21s 128GB 31 s

realme P4R 5G 33 s

realme C83 5G 39 s

*Group: 14-20k 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

realme P4x 3 %

Samsung Galaxy A21s 128GB 6 %

realme P3 6 %

vivo T4X 6 %

Samsung Galaxy A17 5G 7 %

OnePlus Nord CE 6 Lite 5G 7 %

Samsung Galaxy M17 5G 8 %

*Group: 14-20k Phones

See comparison with other phones

Heating*

The lower, the better

Xiaomi Redmi 15C 6.3 %

Samsung Galaxy A17 5G 12.5 %

Samsung Galaxy A21s 128GB 15.5 %

OnePlus Nord CE 6 Lite 5G 16.9 %

realme P3 22.7 %

vivo T4X 24.8 %

Samsung Galaxy M17 5G 34.2 %

*Group: 14-20k Phones

See comparison with other phones

Benchmark Screenshots

AnTuTu Benchmark

Graphics Benchmark

GeekBench5 Benchmark

Featured

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 Lock Screen Home Screen Screen With Widgets Dialer Screen App Drawer Notification Panel Quick Settings Panel Settings Screen OS Version Storage Battery Camera On Camera Options Camera Modes Camera Settings Picture Size Options 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

Rear Camera

(Good)

Resolution

Camera	MP	Lens Features	Aperture	Sensor Size	Pixel Size	Zoom	Focal Length
Primary	48 MP	Wide Angle	f/2.0	1/2"	0.8µm	upto 8x Digital Zoom	26 mm
Secondary	8 MP	Ultra-Wide Angle	f/2.2	1/4.0"	1.12µm
Tertiary	2 MP	Macro	f/2.4
Quaternary	2 MP	Depth	f/2.4

Autofocus

Yes, Phase Detection Autofocus

OIS

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

Wide Angle

Portrait Shot

Night Mode OFF

Close Up

Low Light

Low Light With Flash

Colour Variance

Daylight Auto / HDR OFF

Daylight / HDR ON

Macro

Samsung Galaxy A21s 128GB Compare Camera Samples

Samsung Galaxy A21s 128GB 48 MP

Samsung Galaxy A31 48 MP

Front Camera

(Very Good)

Resolution

Camera	MP	Aperture	Sensor Size	Pixel Size
Primary	13 MP	f/2.2	1/3.1"	1.12µm

Autofocus

Flash

Video Recording

Full HD @30 fps

Front Camera Samples

Selfie

Selfie Portrait

Selfie Low Light

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

Xiaomi Redmi 15C 19.3 hrs

OnePlus Nord CE 6 Lite 5G 17.1 hrs

Samsung Galaxy A21s 128GB 16.3 hrs

realme P4R 5G 15 hrs

vivo T4X 14.2 hrs

realme P3 12.7 hrs

Samsung Galaxy M36 8.7 hrs

*Group: 14-20k Phones

See comparison with other phones

Charging Time (20% to 100%)

The lower, the better

POCO M8 0.9 hrs

realme P3 1.0 hrs

vivo T4X 1.1 hrs

Samsung Galaxy A17 5G 1.2 hrs

Samsung Galaxy A21s 128GB 1.7 hrs

realme P4R 5G 1.9 hrs

realme C83 5G 2.5 hrs

*Group: 14-20k 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 bands	TD-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 bands	TD-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

Multimedia
Audio Jack	3.5 mm

Sensors
Fingerprint Sensor	Yes
Fingerprint Sensor Position	Rear
Other Sensors	Light sensor, Proximity sensor, Accelerometer, Gyroscope

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