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Samsung Galaxy A30s vs Samsung Galaxy A21s vs Samsung Galaxy A02s

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

Comparison mode:

Display

Size:

6.4 inches
6.5 inches
6.5 inches

Resolution:

1560 x 720 pixels, 19.5:9 ratio, 268 PPI
1600 x 720 pixels, 20:9 ratio, 270 PPI
1600 x 720 pixels, 20:9 ratio, 270 PPI

Technology:

Super AMOLED
TFT
IPS LCD

Screen-to-body:

84.95 %
82.94 %
81.80 %

Features:

Ambient light sensor, Proximity sensor
Proximity sensor
Ambient light sensor, Proximity sensor

Hardware

System chip:

Samsung Exynos 7 Octa 7885
Samsung Exynos 850
Qualcomm Snapdragon 450 SDM450

Processor:

Octa-core, 1800 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 2000 MHz, Arm Cortex-A55, 64-bit
Octa-core, 1800 MHz, Cortex-A53, 64-bit, 14 nm

GPU:

Mali-G71 MP2
Mali-G76
Adreno 506

RAM:

4GB LPDDR4
3GB LPDDR4
3GB

Internal storage:

128GB
32GB (eMMC 5.1), available to use: 19.5 GB
32GB (eMMC 5.1), available to use: 20.5 GB

Storage expansion:

microSDXC up to 512 GB
microSDXC up to 512 GB
microSDXC up to 1024 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

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

Battery

Capacity:

4000 mAh
5000 mAh
5000 mAh

Type:

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

Battery life test results:

Charging:

Fast charging
Fast charging
Samsung Adaptive Fast Charging

Max charge speed:

Wired: 15.0W

Camera

Rear:

Triple camera
Quad camera
Triple camera

Main camera:

25 MP (PDAF)
48 MP (PDAF)
13 MP (Autofocus)

Specifications:

Aperture size: F1.7; Focal length: 27 mm
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F2.2

Second camera:

8 MP (Ultra-wide)
8 MP (Ultra-wide)
2 MP (Macro)

Specifications:

Aperture size: F2.2; Focal Length: 13 mm
Aperture size: F2.2; Sensor size: 1/4"; Pixel size: 1.12 μm
Aperture size: F2.4

Third camera:

5 MP (Depth information)
2 MP (Macro)
2 MP (Depth information)

Specifications:

Aperture size: F2.2
Aperture size: F2.4
Aperture size: F2.4

Fourth camera:

2 MP (Depth information)

Specifications:

Aperture size: F2.4

Video recording:

1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD) (30 fps)

Front:

16 MP
13 MP
5 MP

Video capture:

1920x1080 (Full HD)
1920x1080 (Full HD)

Design

Dimensions:

6.24 x 2.94 x 0.30 inches (158.5 x 74.7 x 7.7 mm)
6.44 x 2.96 x 0.35 inches (163.7 x 75.3 x 8.9 mm)
6.46 x 2.99 x 0.36 inches (164.2 x 75.9 x 9.1 mm)

Weight:

5.86 oz (166.0 g)
6.77 oz (192.0 g)
6.91 oz (196.0 g)

Materials:

Back: Plastic; Frame: Plastic

Biometrics:

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

Keys:

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

Colors:

Prism crush black, Prism crush white, Prism crush violet, Prism crush green
Black, White, Blue, Red
Black, White, Blue

Cellular

LTE (FDD):

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

LTE (TDD):

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

UMTS:

Bands 1(2100), 2(1900), 5(850), 8(900)
Bands 5(850), 8(900), 2(1900), 1(2100)
Bands 1(2100), 5(850), 8(900)

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
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
3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker
Earpiece, Loudspeaker

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share

Additional microphone(s):

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

5.0
5.0
4.2

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
802.11 b, g, n, 802.1x; Wi-Fi Direct, Hotspot

USB:

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

Features:

Charging
Charging
Charging, Mass storage device

Location:

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

Sensors:

Accelerometer, Compass
Accelerometer, Gyroscope
Accelerometer

Other:

NFC

Regulatory Approval

FCC approval:

Date approved:

Aug 19, 2019
Feb 07, 2021

FCC ID value:

A3LSMA307FN
ZCASMA025U

Measured SAR:

Head:

0.60 W/kg
1.00 W/kg

Body:

0.50 W/kg
0.85 W/kg

Simultaneous Transmission:

1.47 W/kg
1.40 W/kg

Wireless Router:

1.20 W/kg
0.85 W/kg

Phablet:

2.64 W/kg

Buyers information

Price:

€ 240

User Manual:

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

In The Box:

Power brick, USB Cable, Headphones, Sim Card extractor tool

Availability

Officially announced:

Aug 22, 2019
May 15, 2020
FCC OKs Cingular\'s purchase of AT&T Wireless