Samsung Galaxy J3 (2017) International vs Samsung Galaxy A8 (2018)

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Display

Size

5.0 inches
5.6 inches

Resolution

1280 x 720 pixels,
294 PPI
2220 x 1080 pixels, 18.5:9 ratio,
441 PPI

Technology

IPS LCD
Super AMOLED

Screen-to-body

68.38 %
75.60 %

Features

Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 4), Ambient light sensor, Proximity sensor

Hardware

System chip

Samsung Exynos 7 Quad 7570
Samsung Exynos 5 Octa 7885

Processor

Quad-core, 1400 MHz, ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 2200 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm

GPU

Mali-T720
Mali-G71

RAM

2GB
4GB LPDDR4

Internal storage

16GB, available to use: 10.3 GB
64GB

Storage expansion

microSDXC up to 256 GB
microSDXC up to 256 GB

OS

Android (9.0 Pie, 8.0 Oreo, 7.0 Nougat), Samsung One UI
Android (9.0 Pie, 8.0 Oreo, 7.1 Nougat), Samsung One UI

Battery

Capacity

2400 mAh
3000 mAh

Type

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

Charging

 
Fast charging

Camera

Rear

Single camera
Single camera

Main camera

13 MP (Autofocus)
16 MP (PDAF)

Specifications

Aperture size: F1.9
Aperture size: F1.7

Video recording

1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD) (30 fps)

Features

Video calling, Video sharing
Hyperlapse, EIS, Video calling, Video sharing

Front

5 MP (Flash)
16 MP (Dual-Camera)

Design

Dimensions

5.64 x 2.77 x 0.32 inches (143.2 x 70.3 x 8.2 mm)
5.87 x 2.78 x 0.33 inches (149.2 x 70.6 x 8.4 mm)

Weight

5.01 oz (142.0 g)
the average is 6.2 oz (178 g)
6.07 oz (172.0 g)
the average is 6.2 oz (178 g)

Materials

Back: Metal
Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum

Resistance

 
Water, Dust; IP 68

Biometrics

 
Fingerprint (touch)

Features

Touch sensitive control keys
Notification light

Colors

Black, Gold, Blue, White
Black, Gold, Orchid grey, Blue

Cellular

LTE (FDD)

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 17(700 b)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)

LTE (TDD)

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

UMTS

850, 900, 1700/2100, 1900, 2100 MHz
850, 900, 1700/2100, 1900, 2100 MHz

Data Speed

LTE, HSPA
LTE-A Cat 11 (600/75 Mbit/s), HSPA, HSUPA

Dual SIM

 
Yes

SIM type

Nano SIM
Nano SIM

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
for Noise cancellation

Connectivity & Features

Bluetooth

4.2
5.0

Wi-Fi

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

USB

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

Features

Mass storage device, OTG, Charging
Charging, Mass storage device

Location

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

Sensors

Accelerometer, Gyroscope
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer

Other

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

Phone features

Notifications

Haptic feedback
 

Other features

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

Regulatory Approval

FCC approval

 
 

Date approved

 
Nov 14, 2017

 
FCC ID value: A3LSMA530F link

Measured SAR

 
 

Head

0.66 W/kg
0.26 W/kg

Body

1.32 W/kg
0.76 W/kg

Simultaneous Transmission

 
1.54 W/kg

Wireless Router

 
0.98 W/kg
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