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Samsung Galaxy A70 vs Samsung Galaxy M21 vs Samsung Galaxy A12

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

Comparison mode:

Display

Size:

6.7 inches
6.4 inches
6.5 inches

Resolution:

2400 x 1080 pixels, 20:9 ratio, 393 PPI
2340 x 1080 pixels, 19.5:9 ratio, 403 PPI
1600 x 720 pixels, 20:9 ratio, 270 PPI

Technology:

Super AMOLED
Super AMOLED
LCD

Screen-to-body:

85.97 %
84.11 %
85.80 %

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:

Qualcomm Snapdragon 675 SM6150
Exynos 9611
Mediatek Helio P35 MT6765

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, 2350 MHz, Cortex-A53, 64-bit, 12 nm

GPU:

Adreno 612
Mali-G72 MP3
PowerVR GE8320

RAM:

6GB LPDDR4
4GB LPDDR4
4GB LPDDR4

Internal storage:

128GB, available to use: 108.3 GB
64GB, available to use: 49 GB
64GB (eMMC 5.1), available to use: 48.2 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 (10, 9.0 Pie), Samsung One UI
Android (11, 10), Samsung One UI
Android (10), Samsung One UI UI

Battery

Capacity:

4500 mAh
6000 mAh
5000 mAh

Type:

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

Charging:

Samsung Adaptive Fast Charging
Fast charging
Samsung Adaptive Fast Charging

Max charge speed:

Wired: 15.0W

Camera

Rear:

Triple camera
Triple camera
Quad camera

Main camera:

PDAF
48 MP (PDAF)
48 MP (Autofocus)

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: F2.0; Focal length: 26 mm

Second camera:

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

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
Aperture size: F2.2

Third camera:

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

Specifications:

Aperture size: F2.2; Focal Length: 24 mm; Sensor size: 1/5"; Pixel size: 1.12 μm
Aperture size: F2.2
Aperture size: F2.4

Fourth camera:

2 MP (Depth information)

Specifications:

Aperture size: F2.4

Video recording:

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

Features:

Video calling, Video sharing
EIS

Front:

32 MP
20 MP (HDR)
8 MP

Video capture:

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

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)
6.46 x 2.98 x 0.35 inches (164 x 75.8 x 8.9 mm)

Weight:

6.46 oz (183.0 g)
6.63 oz (188.0 g)
7.23 oz (205.0 g)

Materials:

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

Biometrics:

2D Face unlock, In-screen fingerprint
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, Pink, Blue, White
Midnight blue, Raven black
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), 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 5(850), 8(900), 2(1900), 1(2100)
Bands 5(850), 8(900), 2(1900), 1(2100)
Bands 1(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, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM:

Yes
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:

Album art cover, Background playback
Dolby Atmos

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share, MirrorLink

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 b, g, n; 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, Mass storage device

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

Other:

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

Regulatory Approval

FCC approval:

Date approved:

Mar 28, 2019
Mar 11, 2021

FCC ID value:

A3LSMA705FN
A3LSMA125U

Measured SAR:

Head:

0.26 W/kg
1.14 W/kg

Body:

0.25 W/kg
1.20 W/kg

Simultaneous Transmission:

0.89 W/kg
1.59 W/kg

Wireless Router:

0.38 W/kg
1.34 W/kg

Buyers information

Price:

€ 179

User Manual:

This is the official Samsu​ng Galaxy A12 User Guide in English provided from the manufacturer.

In The Box:

25W charger
This is the official Samsu​ng Galaxy M21 User Guide in English provided from the manufacturer.
Power brick, USB cable, Headphones, Sim card extraction tool

Availability

Officially announced:

Mar 26, 2019
Mar 18, 2020
Nov 24, 2020
FCC OKs Cingular\'s purchase of AT&T Wireless