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Samsung Galaxy Watch Active 2 (44mm) vs Samsung Galaxy A42 vs Samsung Galaxy A12

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

Comparison mode:

Display

Size:

1.4 inches
6.6 inches
6.5 inches

Resolution:

360 x 360 pixels, 364 PPI
1600 x 720 pixels, 20:9 ratio, 266 PPI
1600 x 720 pixels, 20:9 ratio, 270 PPI

Technology:

Super AMOLED
Super AMOLED
LCD

Refresh rate:

60Hz

Screen-to-body:

32.74 %
84.26 %
85.80 %

Features:

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

Hardware

System chip:

Samsung Exynos 9110
Qualcomm Snapdragon 750G SM7225
Mediatek Helio P35 MT6765

Processor:

Dual-core, 1150 MHz, Arm Cortex-A53, 64-bit, 10 nm
Octa-core, 2200 MHz, Kryo 570, 64-bit, 8 nm
Octa-core, 2350 MHz, Cortex-A53, 64-bit, 12 nm

GPU:

Mali-T720 MP1
Adreno 619
PowerVR GE8320

RAM:

1.5GB
4GB LPDDR4
4GB LPDDR4

Internal storage:

4GB (eMMC), not expandable
128GB, available to use: 106 GB
64GB (eMMC 5.1), available to use: 48.2 GB

Storage expansion:

microSDXC up to 1000 GB
microSDXC up to 1024 GB

Device type:

Smartwatch
Smartphone
Smartphone

OS:

Tizen (4.0)
Android (11, 10), Samsung One UI
Android (10), Samsung One UI UI

Compatible devices:

Samsung smartphone, Android smartphone (Android 5.0 and above with 1.5GB RAM and above), iPhone 5 and above or iOS 9.0 and above

Battery

Capacity:

340 mAh
5000 mAh
5000 mAh

Type:

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

Charging:

Magnetic charging
Samsung Adaptive Fast Charging
Samsung Adaptive Fast Charging

Max charge speed:

Wired: 15.0W
Wired: 15.0W

Camera

Rear:

Quad camera
Quad camera

Main camera:

48 MP (PDAF)
48 MP (Autofocus)

Specifications:

Aperture size: F1.8; Pixel size: 0.8 μm
Aperture size: F2.0; Focal length: 26 mm

Second camera:

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

Specifications:

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

Third camera:

5 MP (Macro)
2 MP (Macro)

Specifications:

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

Fourth camera:

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

Specifications:

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

Video recording:

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

Front:

20 MP (Autofocus)
8 MP

Design

Dimensions:

1.73 x 1.73 x 0.43 inches (44 x 44 x 10.9 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:

1.31 oz (42.0 g)
6.81 oz (193.0 g)
7.23 oz (205.0 g)

Materials:

Back: Plastic; Frame: Plastic

Materials & Colors:

Stainless steel: Black, Gold, Silver

Resistance:

Water (up to 50 meters), Dust; IP68; MIL-STD-810 certified

Biometrics:

In-screen fingerprint
Fingerprint (touch)

Keys:

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

Colors:

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 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 25(1900+), 26(850+), 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+)

UMTS:

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

Data Speed:

LTE, 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, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM:

Shared with microSD
Yes

SIM type:

eSIM
Nano SIM
Nano SIM

Multimedia

Headphones:

3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Screen mirroring:

Wireless screen share
Wireless screen share, MirrorLink

Connectivity & Features

Bluetooth:

5.0
5.0
5.0

Wi-Fi:

802.11 b, g, n
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

Features:

Charging
Charging, Mass storage device

Location:

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

Sensors:

Accelerometer, Gyroscope, Heart rate, Barometer, ECG
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:

$ 450
€ 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:

Quick Start Guide,User Manual, Wireless Charging Pad
Power brick, USB cable, Headphones, Sim card extraction tool

Availability

Officially announced:

Aug 05, 2019
Sep 02, 2020
Nov 24, 2020
FCC OKs Cingular\'s purchase of AT&T Wireless