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 M51 vs Samsung Galaxy A42 vs Samsung Galaxy A12

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

Comparison mode:

Display

Size:

6.7 inches
6.6 inches
6.5 inches

Resolution:

2340 x 1080 pixels, 20:9 ratio, 385 PPI
1600 x 720 pixels, 20:9 ratio, 266 PPI
1600 x 720 pixels, 20:9 ratio, 270 PPI

Technology:

Super AMOLED Plus
Super AMOLED
LCD

Refresh rate:

60Hz

Screen-to-body:

88.27 %
84.26 %
85.80 %

Features:

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

Hardware

System chip:

Qualcomm Snapdragon 730 SM7150-AA (8 nm)
Qualcomm Snapdragon 750G SM7225 (8 nm)
Mediatek Helio P35 MT6765 (12 nm)

Processor:

Octa-core, 2x 2.2GHz Kryo 470 + 6x 1.8GHz Kryo 470, 64-bit
Octa-core, 2x 2.2GHz Kryo 570 + 6x 1.8GHz Kryo 570, 64-bit
Octa-core, 4x 2.3GHz Cortex-A53 + 4x 1.8GHz Cortex-A53, 64-bit

GPU:

Adreno 618
Adreno 619
PowerVR GE8320

RAM:

6GB LPDDR4
4GB LPDDR4
4GB LPDDR4

Internal storage:

128GB, available to use: 106 GB
128GB, available to use: 106 GB
64GB (eMMC 5.1), available to use: 48.2 GB

Storage expansion:

microSDXC up to 512 GB
microSDXC up to 1000 GB
microSDXC up to 1024 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

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

Battery

Capacity:

7000 mAh
5000 mAh
5000 mAh

Type:

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

Charging:

Fast charging, Reverse charging
Samsung Adaptive Fast Charging
Samsung Adaptive Fast Charging

Max charge speed:

Wired: 25.0W
Wired: 15.0W
Wired: 15.0W

Camera

Rear:

Quad camera
Quad camera
Quad camera

Main camera:

64 MP (PDAF)
48 MP (PDAF)
48 MP (Autofocus)

Specifications:

Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/1.76"; Pixel size: 0.8 μm
Aperture size: F1.8; Pixel size: 0.8 μm
Aperture size: F2.0; Focal length: 26 mm

Second camera:

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

Specifications:

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

Third camera:

5 MP (Macro)
5 MP (Macro)
2 MP (Macro)

Specifications:

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

Fourth camera:

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

Specifications:

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

Video recording:

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD)
3840x2160 (4K UHD) (30 fps), 1280x720 (HD) (480 fps)
1920x1080 (Full HD) (30 fps)

Front:

32 MP (HDR)
20 MP (Autofocus)
8 MP

Video capture:

1920x1080 (Full HD)

Design

Dimensions:

6.45 x 3.00 x 0.37 inches (163.9 x 76.3 x 9.5 mm)
6.47 x 2.99 x 0.34 inches (164.4 x 75.9 x 8.6 mm)
6.46 x 2.98 x 0.35 inches (164 x 75.8 x 8.9 mm)

Weight:

7.51 oz (213.0 g)
6.81 oz (193.0 g)
7.23 oz (205.0 g)

Materials:

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

Biometrics:

Fingerprint (touch)
In-screen fingerprint
Fingerprint (touch)

Keys:

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

Colors:

Black, White
Prism Dot black, Prism Dot white, Prism Dot grey
Black, White, Blue, Red

Cellular

5G:

n1, n3, n5, n7, n8, n28, Sub-6

LTE (FDD):

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), 66(AWS-3)
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), 28(700 APT)
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 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Bands 1(2100), 5(850), 8(900)

Data Speed:

LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
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
Shared with microSD
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

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share, MirrorLink

Radio:

FM, Stereo, RDS

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
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
Accelerometer, Gyroscope, Compass
Accelerometer

Other:

NFC
NFC
NFC

Regulatory Approval

FCC approval:

Date approved:

Apr 08, 2021
Mar 11, 2021

FCC ID value:

A3LSMA426U
A3LSMA125U

Measured SAR:

Head:

1.11 W/kg
1.14 W/kg

Body:

1.25 W/kg
1.20 W/kg

Simultaneous Transmission:

1.59 W/kg
1.59 W/kg

Wireless Router:

1.06 W/kg
1.34 W/kg

Phablet:

3.81 W/kg

Buyers information

Price:

€ 360
€ 340
€ 179

User Manual:

This is the official Samsu​ng Galaxy A42 User Guide in English provided from the manufacturer.
This is the official Samsu​ng Galaxy A12 User Guide in English provided from the manufacturer.

In The Box:

Power brick, USB cable, Headphones, Sim card extraction tool

Availability

Officially announced:

Aug 31, 2020
Sep 02, 2020
Nov 24, 2020
FCC OKs Cingular\'s purchase of AT&T Wireless