Samsung Galaxy J4 vs Samsung Galaxy A31 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

Samsung Galaxy J4 Samsung Galaxy A31
Released · May 22, 2018
Released · Apr 27, 2020
5.5-inch · 1280x720px
6.4-inch · 2400x1080px
Single camera
Quad camera
3GB · 32GB
4GB · 64GB
3000 mAh
5000 mAh

Design

Dimensions
5.97 x 3.04 x 0.32 inches
151.7 x 77.2 x 8.1 mm
6.27 x 2.88 x 0.34 inches
159.3 x 73.1 x 8.6 mm
Weight
6.17 oz (175.0 g) 6.53 oz (185.0 g)
Materials
Back: Plastic Back: Plastic
Biometrics
Optical in-screen fingerprint
Features
Touch sensitive control keys
Keys
Left: Volume control; Right: Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Prism Crush black, Prism Crush blue, Prism Crush red, Prism Crush white

Display

Size
5.5-inch 6.4-inch
Resolution
1280x720px, 16:9 ratio, 267 PPI 2400x1080px, 20:9 ratio, 411 PPI
Technology
Super AMOLED Super AMOLED
Refresh rate
60Hz
Screen-to-body
71.22 % 84.88 %
Colors
16 777 216
Features
Ambient light sensor, Proximity sensor Ambient light sensor, Proximity sensor

Hardware

System chip
Samsung Exynos 7 Quad 7570 (14 nm) MediaTek Helio P65 MT6768 (12 nm)
Processor
Quad-core
1400 MHz
ARM Cortex-A53
Octa-core
2x 2.0GHz Cortex-A75 + 6x 2.0GHz Cortex-A55
GPU
Mali-T720 MP1 Mali-G52 MC2
Memory
3GB/32GB 4GB (LPDDR4)/64GB (eMMC 5.1)
Storage expansion
microSDXC up to 256 GB microSDXC up to 512 GB
OS
Android (8.0 Oreo) Android (10)

Battery

Type
3000 mAh 5000 mAh, Li - Polymer
Charging
Fast charging
Charge speed
Wired: 15.0W

Camera

Rear
Single camera Quad camera
Main camera
13 MP (PDAF)
Aperture size: F1.9
Focal length: 27 mm
Sensor size: 1/3.06"
Pixel size: 1.12 μm
48 MP (PDAF)
Aperture size: F2.0
Focal length: 26 mm
Sensor size: 1/2"
Pixel size: 0.8 μm
Second camera
8 MP (Ultra-wide)
Aperture size: F2.2
Sensor size: 1/4"
Pixel size: 1.12 μm
Third camera
5 MP (Macro)
Aperture size: F2.4
Fourth camera
5 MP (Depth information)
Aperture size: F2.4
Flash
LED LED
Video recording
1080p (30 fps)
Video calling, Video sharing
1080p (30 fps)
Front
5 MP (Wide Angle, Flash) 20 MP
Video capture: 1080p

Connectivity & Features

Bluetooth
4.2 5.0
WLAN
b,g,n
Hotspot, Wi-Fi Direct
a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot
USB
microUSB, USB 2.0 Type-C, USB 2.0
Sensors
Accelerometer Accelerometer, Gyroscope, Compass
Location
GPS, A-GPS, Glonass, BeiDou GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
VoIP, Tethering, Computer sync, OTA sync NFC

Multimedia

Headphones
3.5mm jack 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Loudspeaker
Features
Album art cover, Background playback
Screen mirroring
Wireless screen share Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation

Cellular

4G (FDD)
Bands 1, 3, 5, 7, 8, 20 Bands 1, 2, 3, 4, 5, 7, 8, 20
4G (TDD)
Bands 38, 40 Bands 38, 40, 41
3G
Bands 5, 8, 1 Bands 1, 2, 5, 8
Data Speed
LTE Cat 4 (150/50 Mbit/s), HSPA, HSUPA LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes Yes
SIM type
Micro SIM Nano SIM

Phone Features

Notifications
Haptic feedback, Music ringtones, Vibration, Flight mode, Silent mode, Speakerphone
Other features
Voice dialing, Voice commands, Voice recording

Regulatory Approval

FCC approval
Date approved: Mar 08, 2020
FCC ID value: A3LSMA315GL
Measured SAR
Head: 0.53 W/kg
Body: 0.56 W/kg
Simultaneous Transmission: 1.42 W/kg
Wireless Router: 0.65 W/kg
Phablet: 0.89 W/kg

Buyers information

MSRP
€ 300

Availability

Officially announced
May 22, 2018 Mar 24, 2020

Alternative variants

with 16 GB storage
Memory 2GB/16GB
with 128GB storage
Memory 6GB/128GB
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