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Samsung Galaxy M30s vs Samsung Galaxy A30s vs Samsung Galaxy A21s

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

Comparison mode:

Display

Size:

6.4 inches
6.4 inches
6.5 inches

Resolution:

2340 x 1080 pixels, 19.5:9 ratio, 403 PPI
1560 x 720 pixels, 19.5:9 ratio, 268 PPI
1600 x 720 pixels, 20:9 ratio, 270 PPI

Technology:

Super AMOLED
Super AMOLED
TFT

Screen-to-body:

84.11 %
84.95 %
82.94 %

Features:

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

Hardware

System chip:

Samsung Exynos 9611
Samsung Exynos 7 Octa 7885
Samsung Exynos 850

Processor:

Octa-core, 2300 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm
Octa-core, 1800 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 2000 MHz, Arm Cortex-A55, 64-bit

GPU:

Mali-G72 MP3
Mali-G71 MP2
Mali-G76

RAM:

4GB LPDDR4
4GB LPDDR4
3GB LPDDR4

Internal storage:

64GB, available to use: 50.5 GB
128GB
32GB (eMMC 5.1), available to use: 19.5 GB

Storage expansion:

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

Device type:

Smartphone
Smartphone
Smartphone

OS:

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

Battery

Capacity:

6000 mAh
4000 mAh
5000 mAh

Type:

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

Battery life test results:

Charging:

Fast charging
Fast charging
Fast charging

Camera

Rear:

Triple camera
Triple camera
Quad camera

Main camera:

48 MP (PDAF)
25 MP (PDAF)
48 MP (PDAF)

Specifications:

Aperture size: F2.0; Sensor size: 1/2"; Pixel size: 0.8 μm
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

Second camera:

8 MP (Ultra-wide)
8 MP (Ultra-wide)
8 MP (Ultra-wide)

Specifications:

Aperture size: F2.2; Focal Length: 12 mm
Aperture size: F2.2; Focal Length: 13 mm
Aperture size: F2.2; Sensor size: 1/4"; Pixel size: 1.12 μm

Third camera:

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

Specifications:

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

Fourth camera:

2 MP (Depth information)

Specifications:

Aperture size: F2.4

Video recording:

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) (240 fps)
1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD) (30 fps)

Features:

EIS

Front:

16 MP (HDR)
16 MP
13 MP

Video capture:

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

Design

Dimensions:

6.26 x 2.96 x 0.35 inches (159 x 75.1 x 8.9 mm)
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)

Weight:

6.63 oz (188.0 g)
5.86 oz (166.0 g)
6.77 oz (192.0 g)

Materials:

Back: Plastic

Biometrics:

2D Face unlock, Fingerprint (touch)
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:

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

Cellular

LTE (FDD):

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

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

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-A, 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

Features:

Dolby Atmos

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share

Radio:

FM, RDS

Additional microphone(s):

for Noise cancellation
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, dual-band; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; 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

Location:

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

Sensors:

Accelerometer, Gyroscope, Compass
Accelerometer, Compass
Accelerometer, Gyroscope

Other:

NFC
NFC

Regulatory Approval

FCC approval:

Date approved:

Aug 19, 2019

FCC ID value:

A3LSMA307FN

Measured SAR:

Head:

0.60 W/kg

Body:

0.50 W/kg

Simultaneous Transmission:

1.47 W/kg

Wireless Router:

1.20 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.

Availability

Officially announced:

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