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Samsung Galaxy A70 vs Samsung Galaxy M21 vs Samsung Galaxy A72

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

Comparison mode:

Display

Size:

6.7 inches
6.4 inches
6.7 inches

Resolution:

2400 x 1080 pixels, 20:9 ratio, 393 PPI
2340 x 1080 pixels, 19.5:9 ratio, 403 PPI
2400 x 1080 pixels, 20:9 ratio, 393 PPI

Technology:

Super AMOLED
Super AMOLED
Super AMOLED

Screen-to-body:

85.97 %
84.11 %
84.74 %

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
90Hz refresh rate, Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 675 SM6150
Exynos 9611
Qualcomm Snapdragon 720G SM7125

Processor:

Octa-core, 2000 MHz, Kryo 460, 64-bit, 11 nm
Octa-core, 2300 MHz, Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm
Octa-core, 2300 MHz, Kryo 465, 64-bit, 8 nm

GPU:

Adreno 612
Mali-G72 MP3
Adreno 618

RAM:

6GB LPDDR4
4GB LPDDR4
6GB

Internal storage:

128GB, available to use: 108.3 GB
64GB, available to use: 49 GB
128GB (UFS)

Storage expansion:

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

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (10, 9.0 Pie), Samsung One UI
Android (11, 10), Samsung One UI
Android (11), One UI 3.0 UI

Battery

Capacity:

4500 mAh
6000 mAh
5000 mAh

Type:

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

Charging:

Samsung Adaptive Fast Charging
Fast charging
Qualcomm Quick Charge 2.0

Max charge speed:

Wired: 25.0W

Camera

Rear:

Triple camera
Triple camera
Quad camera

Main camera:

PDAF
48 MP (PDAF)
64 MP (OIS, PDAF)

Specifications:

Aperture size: F1.7; Focal length: 27 mm; Sensor size: 1/2.8"; Pixel size: 0.8 μm
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: 1/1.7"; Pixel size: 0.8 μm

Second camera:

8 MP (Ultra-wide)
8 MP (Ultra-wide)
8 MP (Telephoto, OIS, Autofocus)

Specifications:

Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/4"; Pixel size: 1.12 μm
Aperture size: F2.2; Focal Length: 12 mm; Sensor size: 1/4"; Pixel size: 1.12 μm
Optical zoom: 3.0x; Aperture size: F2.4; Pixel size: 1.0 μm

Third camera:

5 MP (Depth information)
5 MP (Depth information)
5 MP (Ultra-wide)

Specifications:

Aperture size: F2.2; Focal Length: 24 mm; Sensor size: 1/5"; Pixel size: 1.12 μm
Aperture size: F2.2
Aperture size: F2.2; Pixel size: 1.12 μm

Fourth camera:

5 MP (Macro)

Specifications:

Aperture size: F2.4; Pixel size: 1.12 μm

Video recording:

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

Features:

Video calling, Video sharing
EIS
Continuous autofocus, Picture-taking during video recording

Front:

32 MP
20 MP (HDR)
32 MP

Video capture:

1920x1080 (Full HD)
1920x1080 (Full HD)
3840x2160 (4K UHD) (30 fps)

Design

Dimensions:

6.47 x 3.02 x 0.31 inches (164.3 x 76.7 x 7.9 mm)
6.26 x 2.96 x 0.35 inches (159.0 x 75.1 x 8.9 mm)
6.50 x 3.05 x (165 x 77.4 x 8.4 mm)

Weight:

6.46 oz (183.0 g)
6.63 oz (188.0 g)
7.16 oz (203.0 g)

Materials:

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

Materials & Colors:

Black, Blue, White, Violet

Resistance:

Water, Dust; IP67

Biometrics:

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

Keys:

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

Colors:

Black, Pink, Blue, White
Midnight blue, Raven black

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), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 20(800 DD), 26(850+), 28(700 APT), 32(1500 L-band), 66(AWS-3)

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 5(850), 8(900), 2(1900), 1(2100)
Bands 5(850), 8(900), 2(1900), 1(2100)
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)

Data Speed:

LTE-A Cat 11 (600/75 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSPA
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

Dual SIM:

Yes
Yes
Shared with microSD

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:

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

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, 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, Mass storage device
Charging
Charging, OTG

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, BeiDou, Cell ID, Wi-Fi positioning

Sensors:

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

Other:

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

Regulatory Approval

FCC approval:

Date approved:

Mar 28, 2019
Jan 26, 2021

FCC ID value:

A3LSMA705FN
A3LSMA725M

Measured SAR:

Head:

0.26 W/kg
0.29 W/kg

Body:

0.25 W/kg
0.30 W/kg

Simultaneous Transmission:

0.89 W/kg
1.56 W/kg

Wireless Router:

0.38 W/kg
0.59 W/kg

EU SAR:

Head:

0.23 W/kg

Body:

1.17 W/kg

Buyers information

Price:

€ 449

In The Box:

25W charger
This is the official Samsu​ng Galaxy M21 User Guide in English provided from the manufacturer.

Availability

Officially announced:

Mar 26, 2019
Mar 18, 2020
Mar 17, 2021
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