Xiaomi Redmi 9 vs Samsung Galaxy A42 Specs Comparison

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

Display

Size:

6.5 inches
6.6 inches

Resolution:

2340 x 1080 pixels, 19.5:9 ratio, 395 PPI
1600 x 720 pixels, 20:9 ratio, 266 PPI

Technology:

IPS LCD
Super AMOLED

Refresh rate:

60Hz

Screen-to-body:

83.27 %
84.26 %

Features:

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

Hardware

System chip:

MediaTek Helio G80 (12 nm)
Qualcomm Snapdragon 750G SM7225 (8 nm)

Processor:

Octa-core, 2000 MHz, Arm Cortex-A75 and Arm Cortex-A55, 64-bit
Octa-core, 2x 2.2GHz Kryo 570 + 6x 1.8GHz Kryo 570, 64-bit

GPU:

Mali G52 MC2
Adreno 619

RAM:

3GB LPDDR4
4GB LPDDR4

Internal storage:

32GB (eMMC 5.1)
128GB, available to use: 106 GB

Storage expansion:

microSDXC
microSDXC up to 1000 GB

Device type:

Smartphone
Smartphone

OS:

Android
Android (12, 11, 10), Samsung One UI

Battery

Capacity:

5020 mAh
5000 mAh

Type:

Not user replaceable
Not user replaceable

Battery life test results:

Charging:

Qualcomm Quick Charge 3.0
Samsung Adaptive Fast Charging

Max charge speed:

Wired: 18.0W
Wired: 15.0W

Camera

Rear:

Quad camera
Quad camera

Main camera:

13 MP (PDAF)
48 MP (PDAF)

Specifications:

Aperture size: F2.2
Aperture size: F1.8; Pixel size: 0.8 μm

Second camera:

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

Specifications:

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

Third camera:

5 MP (Macro)
5 MP (Macro)

Specifications:

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

Fourth camera:

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

Specifications:

Aperture size: F2.4

Flash:

LED
LED

Video recording:

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

Front:

8 MP (HDR)
20 MP (Autofocus)

Video capture:

1920x1080 (Full HD)

Design

Dimensions:

6.43 x 3.03 x 0.36 inches (163.32 x 77.01 x 9.1 mm)
6.47 x 2.99 x 0.34 inches (164.4 x 75.9 x 8.6 mm)

Weight:

6.98 oz (198.0 g)
6.81 oz (193.0 g)

Biometrics:

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

Keys:

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

Colors:

Carbon gray, Sunset purple, Ocean green
Prism Dot black, Prism Dot white, Prism Dot grey

Cellular

5G:

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

4G (FDD):

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)
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)

4G (TDD):

Bands 38(2600), 40(2300), 41(2600+)
Bands 38(2600), 40(2300), 41(2600+)

3G:

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

Data Speed:

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

Dual SIM:

Yes
Shared with microSD

SIM type:

Nano SIM
Nano SIM

HD Voice:

Yes

VoLTE:

Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Screen mirroring:

Wireless screen share
Wireless screen share

Radio:

FM

Additional microphone(s):

for Noise cancellation

Connectivity & Features

Bluetooth:

5.0
5.0

Wi-Fi:

802.11 b, g, n; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot

USB:

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

Features:

Charging
Charging

Location:

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

Sensors:

Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass

Other:

NFC, Infrared
NFC

Regulatory Approval

FCC approval:

Date approved:

Apr 08, 2021

FCC ID value:

A3LSMA426U

Measured SAR:

Head:

1.11 W/kg

Body:

1.25 W/kg

Simultaneous Transmission:

1.59 W/kg

Wireless Router:

1.06 W/kg

Phablet:

3.81 W/kg

Buyers information

Price:

€ 340

User Manual:

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

In The Box:

10W Charger, TPU case, USB Type-C cable, SIM eject tool, Warranty card, User guide

Availability

Officially announced:

Sep 02, 2020
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