Samsung Galaxy J7 (2017) vs Samsung Galaxy A70

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from $335

Display

Size

5.5 inches
6.7 inches

Resolution

1920 x 1080 pixels,
401 PPI
2400 x 1080 pixels, 20:9 ratio,
393 PPI

Technology

Super AMOLED
Super AMOLED

Screen-to-body

73.28 %
85.97 %

Features

Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip

Samsung Exynos 7 Octa 7870
Qualcomm Snapdragon 675 SM6150

Processor

Octa-core, 1600 MHz, ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 2000 MHz, Kryo 460, 64-bit, 11 nm

GPU

Mali-T830 MP2
Adreno 612

RAM

3GB LPDDR3
6GB LPDDR4

Internal storage

16GB, available to use: 10 GB
128GB, available to use: 108.3 GB

Storage expansion

microSDXC up to 256 GB
microSDXC up to 512 GB

Device type

Smartphone
Smartphone

OS

Android (9.0 Pie, 7.0 Nougat), Samsung One UI
Android (10, 9.0 Pie), Samsung One UI

Battery

Capacity

3600 mAh
4500 mAh

Type

Not user replaceable
Not user replaceable

Charging

 
Samsung Adaptive Fast Charging

Camera

Rear

Single camera
Triple camera

Main camera

13 MP (Autofocus)
 

 
PDAF

Specifications

Aperture size: F1.7
Aperture size: F1.7; Focal length: 27 mm; Sensor size: 1/2.8"; Pixel size: 0.8 μm

Second camera

 
8 MP (Ultra-wide)

Specifications

 
Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/4"; Pixel size: 1.12 μm

Third camera

 
5 MP (Depth information)

Specifications

 
Aperture size: F2.2; Focal Length: 24 mm; Sensor size: 1/5"; Pixel size: 1.12 μm

Video recording

1920x1080 (Full HD) (30 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (240 fps)

Features

Video calling, Video sharing
Video calling, Video sharing

Front

13 MP (Flash)
32 MP

Design

Dimensions

6.00 x 2.94 x 0.31 inches (152.5 x 74.8 x 8 mm)
6.47 x 3.02 x 0.31 inches (164.3 x 76.7 x 7.9 mm)

Weight

6.38 oz (181.0 g)
the average is 6.3 oz (179 g)
6.46 oz (183.0 g)
the average is 6.3 oz (179 g)

Materials

Back: Aluminum
Back: Plastic

Biometrics

Fingerprint (touch)
2D Face unlock, In-screen fingerprint

Features

Touch sensitive control keys
 

Keys

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

Colors

Black, Gold, Silver, Rose gold
Black, Pink, Blue, White

Cellular

LTE (FDD)

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

LTE (TDD)

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

UMTS

850, 900, 1900, 2100 MHz
850, 900, 1900, 2100 MHz

Data Speed

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

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

4.1
5.0

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

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

Features

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

Location

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

Sensors

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

Other

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

Regulatory Approval

FCC approval

 
 

Date approved

 
Mar 28, 2019

 
FCC ID value: A3LSMA705FN link

Measured SAR

 
 

Head

 
0.26 W/kg

Body

 
0.25 W/kg

Simultaneous Transmission

 
0.89 W/kg

Wireless Router

 
0.38 W/kg

Buyers information

In The Box

 
25W charger

Availability

Officially announced

Jun 06, 2017
Mar 26, 2019
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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