Xiaomi Redmi 4a vs Samsung Galaxy J3 (2018)

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from $177

Display

Size

5.0 inches
5.0 inches

Resolution

1280 x 720 pixels,
294 PPI
1280 x 720 pixels, 16:9 ratio,
294 PPI

Technology

IPS LCD
TFT

Screen-to-body

69.99 %
68.87 %

Colors

16 777 216
16 777 216

Touchscreen

Capacitive, Multi-touch
Capacitive, Multi-touch

Features

Ambient light sensor, Proximity sensor
Proximity sensor

Hardware

System chip

Qualcomm Snapdragon 425 8917
Samsung Exynos 7 Quad 7570

Processor

Quad-core, 1400 MHz, ARM Cortex-A53, 64-bit, 28 nm
Quad-core, 1400 MHz, ARM Cortex-A53, 64-bit, 14 nm

GPU

Adreno 308
Mali-T720 MP1

RAM

2GB LPDDR3
2GB

Internal storage

16GB
16GB

Storage expansion

microSDXC up to 128 GB
microSDXC up to 400 GB

Device type

Smartphone
Smartphone

OS

Android (6.0 Marshmallow), Xiaomi MI UI
Android (9.0 Pie, 8.0 Oreo)

Battery

Capacity

3120 mAh
2600 mAh

Type

Li - Ion, Not user replaceable
User replaceable

Camera

Rear

Single camera
Single camera

Main camera

13 MP (Autofocus)
8 MP (Autofocus, BSI sensor)

Specifications

Aperture size: F2.2
Aperture size: F1.9; Focal length: 27 mm; Sensor size: 1/4"; Pixel size: 1.12 μm

Video recording

1920x1080 (Full HD) (30 fps), 1280x720 (HD) (30 fps)
1920x1080 (Full HD) (30 fps)

Features

Video calling, Video sharing
Video calling, Video sharing

Front

5 MP
5 MP

Design

Dimensions

5.51 x 2.77 x 0.33 inches (139.9 x 70.4 x 8.5 mm)
5.62 x 2.76 x 0.35 inches (142.7 x 70.1 x 8.9 mm)

Weight

4.64 oz (131.5 g)
the average is 6.3 oz (179 g)
5.36 oz (152.0 g)
the average is 6.3 oz (179 g)

Materials

Back: Metal
Back: Plastic

Features

Touch sensitive control keys, Notification light
Touch sensitive control keys

Keys

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

Colors

Gold, Gray
Silver

Cellular

LTE (FDD)

Bands 3(1800), 5(850)
Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 14(700 PS)

LTE (TDD)

Bands 40(2300)
 

UMTS

900, 2100 MHz
850, 1900, 2100 MHz

Data Speed

LTE-A, HSPA
LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, HSUPA, UMTS

Dual SIM

Yes
 

SIM type

Nano SIM, Micro SIM
Nano SIM

HD Voice

 
Yes

VoLTE

Yes
 

Multimedia

Headphones

3.5mm jack
3.5mm jack

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features

Album art cover, Background playback
Album art cover, Background playback

Screen mirroring

Wireless screen share
Wireless screen share

Radio

FM
FM

Additional microphone(s)

for Noise cancellation
 

Connectivity & Features

Bluetooth

4.1
4.2

Wi-Fi

802.11 b, g, n; Hotspot, Wi-Fi Direct
802.11 b, g, n; Hotspot, Wi-Fi Direct

USB

microUSB, USB 2.0
microUSB, USB 2.0

Features

Mass storage device, Charging
Mass storage device, Charging

Location

GPS, A-GPS, Glonass, BeiDou
GPS, A-GPS, Glonass

Sensors

Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass

Other

Tethering, Computer sync, OTA sync
UMA (Wi-Fi Calling), VoIP, Tethering, Computer sync, OTA sync

Hearing aid compatible

 
M3, T3

Phone features

Notifications

Haptic feedback
Haptic feedback, Music ringtones, Vibration, Flight mode, Silent mode, Speakerphone

Other features

Voice dialing, Voice commands, Voice recording
Voice dialing, Voice commands, Voice recording, TTY/TDD

Regulatory Approval

FCC approval

 
 

Date approved

 
Apr 04, 2018

 
FCC ID value: A3LSMJ337A link

Measured SAR

 
 

Head

 
1.22 W/kg

Body

 
1.02 W/kg

Simultaneous Transmission

 
1.56 W/kg

Wireless Router

 
1.18 W/kg

Buyers information

Price

$ 104
 

In The Box

 
Charger and microUSB cable

Availability

Officially announced

Nov 04, 2016
Jun 07, 2018
This copy is for your personal, non-commercial use only. You can order presentation-ready copies for distribution to your colleagues, clients or customers at https://www.parsintl.com/phonearena or use the Reprints & Permissions tool that appears at the bottom of each web page. Visit https://www.parsintl.com/ for samples and additional information.
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