Samsung Galaxy A21s vs Samsung Galaxy S21 vs Samsung Galaxy A20e

Compare phone and tablet specifications of up to three devices at once.

Display

Size:

6.5 inches
6.2 inches
5.8 inches

Resolution:

1600 x 720 pixels, 20:9 ratio, 270 PPI
2400 x 1080 pixels, 20:9 ratio, 424 PPI
1560 x 720 pixels, 19.5:9 ratio, 296 PPI

Technology:

TFT
Dynamic AMOLED
TFT

Screen-to-body:

82.94 %
86.06 %
80.54 %

Peak brightness:

1300 cd/m2 (nit)

Features:

Proximity sensor
120Hz refresh rate (adaptive), HDR video support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor
Proximity sensor

Hardware

System chip:

Samsung Exynos 850
Qualcomm Snapdragon 888
Samsung Exynos 7884

Processor:

Octa-core, 2000 MHz, Arm Cortex-A55, 64-bit
Octa-core, 2900 MHz, Kryo 680, 64-bit, 5 nm
Octa-core, 1600 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm

GPU:

Mali-G76
Adreno 660
Mali-G71 MP2

RAM:

3GB LPDDR4
8GB LPDDR5
3GB LPDDR4

Internal storage:

32GB (eMMC 5.1), available to use: 19.5 GB
128GB, not expandable
32GB, available to use: 21.5 GB

Storage expansion:

microSDXC up to 512 GB
microSDXC up to 512 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (10), Samsung One UI
Android (11), Samsung One UI
Android (9.0 Pie), Samsung One UI

Battery

Capacity:

5000 mAh
4000 mAh
3000 mAh

Type:

Li - Polymer, Not user replaceable
Li - Polymer, Not user replaceable
Not user replaceable

Battery life test results:

Charging:

Fast charging
Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging
Samsung Adaptive Fast Charging

Camera

Rear:

Quad camera
Triple camera
Dual camera

Main camera:

48 MP (PDAF)
12 MP (OIS, PDAF)
13 MP (Autofocus)

Specifications:

Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/1.76"; Pixel size: 1.8 μm
Aperture size: F1.9

Second camera:

8 MP (Ultra-wide)
64 MP (Telephoto, OIS, PDAF)
5 MP (Ultra-wide)

Specifications:

Aperture size: F2.2; Sensor size: 1/4"; Pixel size: 1.12 μm
Aperture size: F2.0; Focal Length: 28 mm; Sensor size: 1/1.76"; Pixel size: 0.8 μm
Aperture size: F2.2

Third camera:

2 MP (Macro)
12 MP (Ultra-wide, Autofocus)

Specifications:

Aperture size: F2.4
Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/2.6"; Pixel size: 1.4 μm

Fourth camera:

2 MP (Depth information)

Specifications:

Aperture size: F2.4

Video recording:

1920x1080 (Full HD) (30 fps)
7680x4320 (8K UHD) (30 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (960 fps)
1920x1080 (Full HD) (60 fps)

Features:

Video calling, Video sharing

Front:

13 MP
10 MP (PDAF)
8 MP

Video capture:

1920x1080 (Full HD)

Design

Dimensions:

6.44 x 2.96 x 0.35 inches (163.7 x 75.3 x 8.9 mm)
5.97 x 2.80 x 0.31 inches (151.7 x 71.2 x 7.9 mm)
5.80 x 2.74 x 0.33 inches (147.4 x 69.7 x 8.4 mm)

Weight:

6.77 oz (192.0 g)
6.03 oz (171.0 g)
4.97 oz (141.0 g)

Materials:

Back: Plastic
Back: Plastic

Resistance:

Water, Dust; IP68

Biometrics:

2D Face unlock, Fingerprint (touch)
2D Face unlock, Ultrasonic in-screen fingerprint
2D Face unlock, Fingerprint (touch)

Keys:

Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key

Colors:

Black, White, Blue, Red
Phantom pink, Violet, Gray, White
Black, Coral, Blue, White

Cellular

5G:

SA, NSA, Sub-6

LTE (FDD):

Bands 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)
Bands 1(2100), 3(1800), 5(850), 8(900), 20(800 DD)

LTE (TDD):

Bands 38(2600), 40(2300), 41(2600+)
Bands 38(2600), 40(2300)

UMTS:

850, 900, 1900, 2100 MHz
850, 900, 1900, 2100 MHz

Data Speed:

LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM:

Yes
Yes

SIM type:

Nano SIM
Nano SIM
Nano SIM

Multimedia

Headphones:

3.5mm jack
No 3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Multiple speakers
Earpiece, Loudspeaker

Features:

32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus
Album art cover, Background playback

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share

Radio:

FM

Additional microphone(s):

for Noise cancellation, Video recording
for Noise cancellation

Connectivity & Features

Bluetooth:

5.0
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, ax, dual-band; MIMO, Wi-Fi Direct, Hotspot
802.11 b, g, n; Wi-Fi Direct, Hotspot

USB:

Type-C (reversible), USB 2.0
Type-C (reversible), USB 3.2
Type-C (reversible), USB 2.0

Features:

Charging
Charging, Headphones port, OTG, Video out
Charging, Mass storage device

Location:

GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning

Sensors:

Accelerometer, Gyroscope
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Accelerometer, Gyroscope, Compass, Hall (for flip covers)

Other:

NFC
NFC, ANT+
NFC, VoIP, Tethering, Computer sync, OTA sync

Buyers information

Price:

€ 240

User Manual:

This is the official Samsu​ng Galaxy A21s User Guide in English provided from the manufacturer.

Availability

Officially announced:

May 15, 2020
Jan 14, 2021
Apr 10, 2019

Scheduled release:

Jan 29, 2021
This copy is for your personal, non-commercial use only. You can order presentation-ready copies for distribution to your colleagues, clients or customers at https://www.parsintl.com/phonearena or use the Reprints & Permissions tool that appears at the bottom of each web page. Visit https://www.parsintl.com/ for samples and additional information.
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