Samsung Galaxy A8 (2018) vs Samsung Galaxy J7 (2017) Specs Comparison

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

Display

Size:

5.6 inches
5.5 inches

Resolution:

2220 x 1080 pixels, 18.5:9 ratio, 441 PPI
1920 x 1080 pixels, 401 PPI

Technology:

Super AMOLED
Super AMOLED

Screen-to-body:

75.60 %
73.28 %

Features:

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

Hardware

System chip:

Samsung Exynos 5 Octa 7885 (14 nm)
Samsung Exynos 7 Octa 7870 (14 nm)

Processor:

Octa-core, 2200 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit
Octa-core, 1600 MHz, ARM Cortex-A53, 64-bit

GPU:

Mali-G71
Mali-T830 MP2

RAM:

4GB LPDDR4
3GB LPDDR3

Internal storage:

64GB
16GB, available to use: 10 GB

Storage expansion:

microSDXC up to 256 GB
microSDXC up to 256 GB

Device type:

Smartphone
Smartphone

OS:

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

Battery

Capacity:

3000 mAh
3600 mAh

Type:

Li - Polymer, Not user replaceable
Not user replaceable

Charging:

Fast charging

Camera

Rear:

Single camera
Single camera

Main camera:

16 MP (PDAF)
13 MP (Autofocus)

Specifications:

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

Flash:

LED
LED

Video recording:

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

Features:

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

Front:

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

Video capture:

1920x1080 (Full HD)
1920x1080 (Full HD)

Design

Dimensions:

5.87 x 2.78 x 0.33 inches (149.2 x 70.6 x 8.4 mm)
6.00 x 2.94 x 0.31 inches (152.5 x 74.8 x 8 mm)

Weight:

6.07 oz (172.0 g)
6.38 oz (181.0 g)

Materials:

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

Resistance:

Water, Dust; IP68

Biometrics:

Fingerprint (touch)
Fingerprint (touch)

Features:

Notification light
Touch sensitive control keys

Keys:

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

Colors:

Black, Gold, Orchid grey, Blue
Black, Gold, Silver, Rose gold

Cellular

4G (FDD):

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)
Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD)

4G (TDD):

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

3G:

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

Data Speed:

LTE-A Cat 11 (600/75 Mbit/s), HSPA, HSUPA
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM:

Yes

SIM type:

Nano SIM
Nano SIM

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:

5.0
4.1

Wi-Fi:

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

USB:

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

Features:

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

Location:

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

Sensors:

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

Other:

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

Regulatory Approval

FCC approval:

Date approved:

Nov 14, 2017

FCC ID value:

A3LSMA530F

Measured SAR:

Head:

0.26 W/kg

Body:

0.76 W/kg

Simultaneous Transmission:

1.54 W/kg

Wireless Router:

0.98 W/kg

Availability

Officially announced:

Dec 19, 2017
Jun 06, 2017
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