Notification Center

This is our new notification center. Inside, you will find updates on the most important things happening right now.

Notifications

Hmm, push notifications seem to be disabled in your browser. You can enable them from the 'Settings' icon in the URL bar of your browser.

www.phonearena.com

Samsung Galaxy A40 vs Samsung Galaxy M21 vs Samsung Galaxy A22 5G

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

Comparison mode:

Display

Size:

5.9 inches
6.4 inches
6.6 inches

Resolution:

2340 x 1080 pixels, 19.5:9 ratio, 437 PPI
2340 x 1080 pixels, 19.5:9 ratio, 403 PPI
2400 x 1080 pixels, 20:9 ratio, 399 PPI

Technology:

Super AMOLED
Super AMOLED
IPS LCD

Refresh rate:

90Hz

Screen-to-body:

85.73 %
84.11 %
82.30 %

Peak brightness:

420 cd/m2 (nit)

Features:

Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 3), Proximity sensor
Ambient light sensor, Proximity sensor

Hardware

System chip:

Exynos 7904
Exynos 9611
MediaTek Dimensity 700 MT6833V

Processor:

Octa-core, 1800 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 2300 MHz, Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm
Octa-core, 2200 MHz, Cortex-A76, 64-bit, 7 nm

GPU:

Mali-G71 MP2
Mali-G72 MP3
Mali-G57 MC2

RAM:

4GB LPDDR4
4GB LPDDR4
4GB

Internal storage:

64GB, available to use: 49.4 GB
64GB, available to use: 49 GB
64GB

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

Battery

Capacity:

3100 mAh
6000 mAh
5000 mAh

Type:

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

Charging:

Samsung Adaptive Fast Charging
Fast charging
Fast charging

Max charge speed:

Wired: 15.0W

Camera

Rear:

Dual camera
Triple camera
Triple camera

Main camera:

16 MP (PDAF)
48 MP (PDAF)
48 MP (Autofocus)

Specifications:

Aperture size: F1.7; Focal length: 27 mm; Sensor size: 1/2.8"; Pixel size: 1.12 μm
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F1.8

Second camera:

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

Specifications:

Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/5"; Pixel size: 1.12 μm
Aperture size: F2.2; Focal Length: 12 mm; Sensor size: 1/4"; Pixel size: 1.12 μm
Aperture size: F2.2

Third camera:

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

Specifications:

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

Video recording:

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

Features:

Hyperlapse, Video calling, Video sharing
EIS

Front:

25 MP
20 MP (HDR)
8 MP

Video capture:

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

Design

Dimensions:

5.69 x 2.72 x 0.31 inches (144.4 x 69.2 x 7.9 mm)
6.26 x 2.96 x 0.35 inches (159.0 x 75.1 x 8.9 mm)
6.58 x 3.01 x 0.35 inches (167.2 x 76.4 x 9.0 mm)

Weight:

4.94 oz (140.0 g)
6.63 oz (188.0 g)
7.16 oz (203.0 g)

Materials:

Back: Plastic; Frame: Plastic
Back: Plastic; Frame: Plastic
Back: Plastic; Frame: Plastic

Biometrics:

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

Keys:

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

Colors:

Black, Coral, Blue, White
Midnight blue, Raven black
Gray, White, Mint, Violet

Cellular

5G:

SA, NSA

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)

LTE (TDD):

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), 2(1900), 5(850), 8(900), 9(1700)

Data Speed:

LTE-A Cat 12/13 (600/150 Mbit/s), 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

Dual SIM:

Yes
Yes
Yes

SIM type:

Nano SIM
Nano SIM
Nano SIM

Multimedia

Headphones:

3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features:

Dolby Atmos, Album art cover, Background playback
Dolby Atmos
Dolby Atmos

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share

Radio:

FM
FM

Additional microphone(s):

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

5.0
5.0
Yes

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; Wi-Fi Direct, Hotspot

USB:

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

Features:

Charging, Mass storage device
Charging
Charging

Location:

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

Sensors:

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

Other:

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

Regulatory Approval

FCC approval:

Date approved:

Mar 08, 2019

FCC ID value:

A3LSMA405FN

Measured SAR:

Head:

0.51 W/kg

Body:

0.46 W/kg

Simultaneous Transmission:

1.02 W/kg

Wireless Router:

0.61 W/kg

Buyers information

Price:

€ 229

In The Box:

This is the official Samsu​ng Galaxy M21 User Guide in English provided from the manufacturer.

Availability

Officially announced:

Apr 10, 2019
Mar 18, 2020
Jun 03, 2021
FCC OKs Cingular\'s purchase of AT&T Wireless