Samsung Galaxy M30 vs Samsung Galaxy A21s

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Display

Size

6.4 inches
6.5 inches

Resolution

2280 x 1080 pixels, 19.5:9 ratio,
395 PPI
1600 x 720 pixels, 20:9 ratio,
270 PPI

Technology

Super AMOLED
TFT

Screen-to-body

86.66 %
82.94 %

Colors

16 777 216
 

Features

Proximity sensor
Proximity sensor

Hardware

System chip

Samsung Exynos 7 Octa 7904
Samsung Exynos 850

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

GPU

Mali-G71 MP2
Mali-G76

RAM

6GB LPDDR4
3GB LPDDR4

Internal storage

128GB, available to use: 107.6 GB
32GB (eMMC 5.1), available to use: 19.5 GB

Storage expansion

microSDXC up to 512 GB
microSDXC up to 512 GB

Device type

Smartphone
Smartphone

OS

Android (9.0 Pie, 8.1 Oreo), Samsung One UI
Android (10), Samsung One UI

Battery

Capacity

5000 mAh
5000 mAh

Type

Not user replaceable
Li - Polymer, Not user replaceable

Battery life test results

 

Charging

Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging
Fast charging

Camera

Rear

Triple camera
Quad camera

Main camera

13 MP (PDAF)
48 MP (PDAF)

Specifications

Aperture size: F1.9; Focal length: 27 mm; Sensor size: 1/3.1"; Pixel size: 1.12 μm
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm

Second camera

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

Specifications

Aperture size: F2.2; Focal Length: 12 mm; Sensor size: 1/5"; Pixel size: 1.12 μm
Aperture size: F2.2; Sensor size: 1/4"; Pixel size: 1.12 μm

Third camera

5 MP (Depth information)
2 MP (Macro)

Specifications

Aperture size: F2.2
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)

Features

Video calling, Video sharing
 

Front

16 MP
13 MP

Design

Dimensions

6.26 x 2.96 x 0.33 inches (159 x 75.1 x 8.5 mm)
6.44 x 2.96 x 0.35 inches (163.7 x 75.3 x 8.9 mm)

Weight

6.14 oz (174.0 g)
the average is 6.3 oz (179 g)
6.77 oz (192.0 g)
the average is 6.3 oz (179 g)

Materials

Back: Plastic
 

Biometrics

2D Face unlock, Fingerprint (touch)
2D Face unlock, Fingerprint (touch)

Features

Soft keys
 

Keys

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

Colors

Black, Blue
Black, White, Blue, Red

Cellular

LTE (FDD)

Bands 1(2100), 3(1800), 5(850), 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 40(2300), 41(2600+)
Bands 38(2600), 40(2300), 41(2600+)

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

Dual SIM

Yes
Yes

SIM type

Nano SIM
Nano SIM

VoLTE

Yes
 

Multimedia

Headphones

3.5mm jack
3.5mm jack

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features

Album art cover, Background playback, Dolby Atmos
 

Screen mirroring

Wireless screen share
Wireless screen share

Radio

FM
 

Additional microphone(s)

for Noise cancellation
 

Connectivity & Features

Bluetooth

5.0
5.0

Wi-Fi

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

Features

Mass storage device, Charging
Charging

Location

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

Sensors

Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope

Other

VoIP, Tethering, Computer sync, OTA sync
NFC

Phone features

Notifications

Haptic feedback, Music ringtones, Vibration
 

Other features

Voice dialing, Voice commands, Voice recording
 

Regulatory Approval

FCC approval

 
 

Date approved

Feb 13, 2019
 

FCC ID value: A3LSMM305F link
 

Measured SAR

 
 

Head

0.28 W/kg
 

Body

0.39 W/kg
 

Simultaneous Transmission

1.24 W/kg
 

Wireless Router

0.93 W/kg
 

Buyers information

Price

 
€ 240

User Manual

 
Download the Samsu​ng Galaxy A21s Manual as a PDF file.

Availability

Officially announced

Feb 27, 2019
May 15, 2020
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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