Samsung Galaxy J7 (2018) vs Samsung Galaxy A20

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$97 VIEW ON amazon
$161 VIEW ON amazon

Display

Size

5.5 inches
6.4 inches

Resolution

1280 x 720 pixels, 16:9 ratio,
267 PPI
1560 x 720 pixels, 19.5:9 ratio,
268 PPI

Technology

TFT
Super AMOLED

Screen-to-body

71.45 %
84.95 %

Features

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

Hardware

System chip

Samsung Exynos 7 Octa 7870
Samsung Exynos 7884

Processor

Octa-core, 1600 MHz, ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 1800 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm

GPU

Mali-T830 MP1
Mali-G71 MP2

RAM

2GB LPDDR3
3GB LPDDR4

Internal storage

32GB
32GB, available to use: 20.3 GB

Storage expansion

microSDXC up to 400 GB
microSDXC up to 512 GB

Device type

Smartphone
Smartphone

OS

Android (8.0 Oreo)
Android (10, 9.0 Pie), Samsung One UI

Battery

Capacity

3300 mAh
4000 mAh

Type

Not user replaceable
Not user replaceable

Charging

 
Samsung Adaptive Fast Charging

Camera

Rear

Single camera
Dual camera

Main camera

13 MP (PDAF)
13 MP (Autofocus)

Specifications

Aperture size: F1.7; Focal length: 28 mm; Sensor size: 1/3.06"; Pixel size: 1.12 μm
Aperture size: F1.9; Focal length: 27 mm; Sensor size: 1/3.1"; Pixel size: 1.12 μm

Second camera

 
5 MP (Ultra-wide)

Specifications

 
Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/5"; Pixel size: 1.12 μm

Video recording

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

Features

Video calling, Video sharing
 

Front

13 MP
8 MP

Design

Dimensions

6.03 x 3 x 0.34 inches (153.2 x 76.2 x 8.6 mm)
6.24 x 2.94 x 0.31 inches (158.4 x 74.7 x 7.8 mm)

Weight

6.38 oz (181.0 g)
the average is 6.3 oz (179 g)
5.96 oz (169.0 g)
the average is 6.3 oz (179 g)

Materials

Back: Plastic
Back: Plastic

Biometrics

2D Face unlock
2D Face unlock, Fingerprint (touch)

Features

Touch sensitive control keys
 

Keys

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

Colors

Black
Black,Deep blue, Red

Cellular

LTE (FDD)

Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 14(700 PS)
Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 13(700 c), 20(800 DD), 28(700 APT), 66(AWS-3)

UMTS

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

Data Speed

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

SIM type

Nano SIM
Nano SIM

HD Voice

Yes
 

Multimedia

Headphones

3.5mm jack
3.5mm jack

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features

Album art cover, Background playback
Dolby Atmos

Screen mirroring

Wireless screen share
Wireless screen share

Additional microphone(s)

 
for Noise cancellation

Connectivity & Features

Bluetooth

4.2
5.0

Wi-Fi

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

USB

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

Features

Charging, Mass storage device
Charging

Location

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

Sensors

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

Other

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

Hearing aid compatible

M3, T3
 

Regulatory Approval

FCC approval

 
 

Date approved

Apr 24, 2018
Jun 19, 2019

FCC ID value: A3LSMJ737A link
FCC ID value: A3LSMA205U link

Measured SAR

 
 

Head

1.03 W/kg
1.09 W/kg

Body

0.76 W/kg
0.60 W/kg

Simultaneous Transmission

1.58 W/kg
1.37 W/kg

Wireless Router

0.98 W/kg
1.00 W/kg

Phablet

3.58 W/kg
3.94 W/kg

Buyers information

Price

$ 230
$ 250

In The Box

microUSB cable, Wall Charger
 

Availability

Officially announced

Jun 07, 2018
 
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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