Samsung Galaxy J7 (2017) vs Samsung Galaxy A20

$153.98 VIEW ON AMAZON

Display

Display size

5.5 inches
6.4 inches

Resolution

1080 x 1920 pixels
720 x 1560 pixels

Pixel density

401 ppi
268 ppi

Technology

Super AMOLED
Super AMOLED

Screen-to-body ratio

73.28 %
84.95 %

Features

Ambient light sensor, Proximity sensor
Proximity sensor

Camera

Rear

Single camera
Dual camera

Main camera

13 megapixels
13 megapixels

Hardware Features

Autofocus
Autofocus

Specifications

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

Second camera

 
5 megapixels

Hardware Features

 
Ultra-wide

Specifications

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

Flash

LED
LED

Video recording

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

Features

Video calling, Video sharing
Video calling, Video sharing

Front

13 megapixels
8 megapixels

Features

Flash
 

Design

Dimensions

6.00 x 2.94 x 0.31 inches (152.5 x 74.8 x 8 mm)
6.24 x 2.94 x 0.31 inches (158.4 x 74.7 x 7.8 mm)

Weight

6.38 oz (181 g)
the average is 6 oz (172 g)
5.96 oz (169 g)
the average is 6 oz (172 g)

Materials

Back: Aluminum
Back: Plastic

Biometrics

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

Features

Touch sensitive control keys
 

Colors

Black, Gold, Silver, Pink
Black, Blue, Red

Hardware & Performance

System chip

Samsung Exynos 7 Octa 7870
Samsung Exynos 7884

Processor

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

GPU

Mali-T830 MP2
Mali-G71 MP2

RAM

3 GB
3 GB

Internal storage

16 GB
32 GB

Maximum User Storage

10 GB
21.7 GB

Storage expansion

up to 256 GB
up to 512 GB

OS

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

Battery

Capacity

3600 mAh
4000 mAh

Charging

 
Samsung Adaptive Fast Charging

Talk time (3G)

24.00 hours
the average is 23 h (1387 min)
26.00 hours
the average is 23 h (1387 min)

Internet use

 
 

3G

12 hours
12 hours

LTE

15 hours
13 hours

Wi-Fi

16 hours
13 hours

Music playback

59.00 hours
82.00 hours

Video playback

18.00 hours
21.00 hours

Cellular

LTE (FDD)

Bands 1, 3, 5, 7, 8, 20
Bands 1, 3, 5, 7, 8, 20

LTE (TDD)

Bands 40
Bands 38, 40, 41

UMTS

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

GSM

850, 900, 1800, 1900 MHz
850, 900, 1800, 1900 MHz

Data

LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM

 
Yes

SIM type

Nano SIM
Nano SIM

VoLTE

Yes
 

Connectivity

Bluetooth

4.1
5.0

Wi-Fi

802.11 a, b, g, n, ac, dual-band
802.11 b, g, n

USB

USB 2.0
USB 2.0

Connector

microUSB
USB Type-C (reversible)

Features

Mass storage device, USB OTG, USB charging
Mass storage device

Mobile Payment

Samsung Pay
 

Location

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

Other

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

Phone features

Sensors

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

Notifications

Haptic feedback
Haptic feedback, Music ringtones, Vibration

Other features

Voice dialing, Voice commands, Voice recording
Voice dialing, Voice commands, Voice recording

Multimedia

Screen mirroring

Wireless screen share
Wireless screen share

Radio

FM
 

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Headphones connector

3.5mm
3.5mm

Additional microphone(s)

 
for Noise cancellation
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.