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www.phonearena.com

Samsung Galaxy J2 Core vs Nokia 3.1 A vs Xiaomi Redmi 8A

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

Comparison mode:

Display

Size:

5.0 inches
5.5 inches
6.2 inches

Resolution:

960 x 540 pixels, 16:9 ratio, 220 PPI
1440 x 720 pixels, 18:9 ratio, 295 PPI
1520 x 720 pixels, 19:9 ratio, 270 PPI

Technology:

TFT
IPS LCD
IPS LCD

Refresh rate:

60Hz

Screen-to-body:

66.57 %
69.85 %
81.81 %

Colors:

16 777 216

Features:

Proximity sensor
Oleophobic coating, Scratch-resistant glass (Corning Gorilla Glass), Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 5)

Hardware

System chip:

Samsung Exynos 7 Quad 7570
Qualcomm Snapdragon 429 SDM429
Qualcomm Snapdragon 439 SDM439

Processor:

Quad-core, 1400 MHz, ARM Cortex-A53, 64-bit, 14 nm
Quad-core, 2000 MHz, ARM Cortex-A53, 64-bit, 12 nm
Octa-core, 1950 MHz, Cortex-A53, 64-bit, 12 nm

GPU:

Mali-T720 MP1
Adreno 504
Adreno 505

RAM:

1GB LPDDR3
2GB LPDDR3
2GB LPDDR3

Internal storage:

8GB, available to use: 4.9 GB
32GB
32GB (eMMC 5.1)

Storage expansion:

microSDXC up to 256 GB
microSDXC up to 128 GB
microSDXC

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (8.0 Oreo)
Android (9.0 Pie)
Android (10), MIUI 12 UI

Battery

Capacity:

2600 mAh
2990 mAh
5000 mAh

Type:

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

Charging:

Fast charging

Max charge speed:

Wired: 18.0W

Camera

Rear:

Single camera
Single camera
Single camera

Main camera:

8 MP (Autofocus, BSI sensor)
8 MP (Autofocus)
12 MP (PDAF)

Specifications:

Aperture size: F2.2; Focal length: 24 mm; Sensor size: 1/4"; Pixel size: 1.12 μm
Aperture size: F2.0
Aperture size: F1.8; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Video recording:

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

Features:

Video calling, Video sharing

Front:

5 MP
5 MP (Wide Angle)
8 MP

Video capture:

1280x720 (HD)
1920x1080 (Full HD)

Design

Dimensions:

5.65 x 2.84 x 0.35 inches (143.4 x 72.1 x 8.99 mm)
6.01 x 2.83 x 0.37 inches (152.7 x 71.9 x 9.4 mm)
6.15 x 2.97 x 0.37 inches (156.3 x 75.4 x 9.4 mm)

Weight:

5.43 oz (154.0 g)
5.5 oz (156.0 g)
6.63 oz (188.0 g)

Materials:

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

Biometrics:

2D Face unlock

Keys:

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

Colors:

Black, Gold, Blue
Black
Ocean Blue, Sunset Red, Midnight Black

Cellular

LTE (FDD):

Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD)
Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 14(700 PS), 29(700 d), 30(2300 WCS)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD)

LTE (TDD):

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

UMTS:

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

Data Speed:

LTE Cat 4 (150/50 Mbit/s), HSPA, HSUPA
LTE Cat 4 (150/50 Mbit/s), HSPA, HSUPA
LTE, HSPA

Dual SIM:

Yes
Shared with microSD

SIM type:

Micro SIM
Nano SIM
Nano SIM

HD Voice:

Yes
Yes

VoLTE:

Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features:

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

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share

Radio:

FM
FM
FM

Additional microphone(s):

for Noise cancellation

Connectivity & Features

Bluetooth:

4.2
5.0
4.2

Wi-Fi:

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

USB:

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

Features:

Mass storage device, Charging
Charging, OTG

Location:

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

Sensors:

Accelerometer
Accelerometer, Gyroscope
Accelerometer

Other:

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

Hearing aid compatible:

M3, T4

Phone features

Notifications:

Haptic feedback, Music ringtones, Vibration

Other features:

Voice dialing, Voice commands, Voice recording

Regulatory Approval

FCC approval:

Date approved:

Oct 12, 2019

FCC ID value:

2AJOTTA1140

Measured SAR:

Head:

0.91 W/kg

Body:

0.81 W/kg

Simultaneous Transmission:

1.59 W/kg

Wireless Router:

1.26 W/kg

Phablet:

3.41 W/kg

Buyers information

Price:

$ 90

In The Box:

Data Cable, Travel Adaptor, User Manual
Charger, Charging / data cable, Quick guide
Power adapter, 5V2A Charger, USB Type-C cable, SIM eject tool, Warranty card, User guide

Availability

Officially announced:

Aug 24, 2018
Jun 07, 2019
Sep 25, 2019
FCC OKs Cingular\'s purchase of AT&T Wireless