Samsung Galaxy J7 vs Samsung Galaxy A20

$154.95 VIEW ON AMAZON
$154.29 VIEW ON AMAZON

Display

Display size

5.5 inches
6.4 inches

Resolution

720 x 1280 pixels
720 x 1560 pixels

Pixel density

267 ppi
268 ppi

Technology

Super AMOLED
Super AMOLED

Screen-to-body ratio

69.72 %
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: F1.9; Focal length: 28 mm
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 calling, Video sharing

Front

5 megapixels
8 megapixels

Features

Flash
 

Design

Dimensions

6.00 x 3.09 x 0.30 inches (152.4 x 78.6 x 7.5 mm)
6.24 x 2.94 x 0.31 inches (158.4 x 74.7 x 7.8 mm)

Weight

6.03 oz (171 g)
the average is 6 oz (172 g)
5.96 oz (169 g)
the average is 6 oz (172 g)

Materials

 
Back: Plastic

Biometrics

 
2D Face unlock, Fingerprint (touch)

Features

Touch sensitive control keys
 

Colors

Black, Gold, White
Black, Blue, Red

Multimedia

Headphones

3.5 mm jack
3.5 mm 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, RDS
 

Additional microphone(s)

 
for Noise cancellation

Hardware & Performance

System chip

Qualcomm Snapdragon 615 8939
Samsung Exynos 7884

Processor

Octa-core, 1500 MHz, ARM Cortex-A53, 64-bit
Octa-core, 1600 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm

GPU

Adreno 405
Mali-G71 MP2

RAM

1.5 GB
3 GB

Internal storage

16 GB
32 GB

Maximum User Storage

11.6 GB
21.7 GB

Storage expansion

microSDXC up to 128 GB
microSDXC up to 512 GB

OS

Android (6.0 Marshmallow, 5.1 Lollipop)
Android (9.0 Pie), Samsung One UI

Connectivity & Features

Bluetooth

4.1
5.0

Wi-Fi

802.11 b, g, n; Hotspot, Wi-Fi Direct
802.11 b, g, n; Hotspot, Wi-Fi Direct

USB

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

Features

Mass storage device, USB charging
Mass storage device

Location

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

Sensors

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

Mobile Payment

Samsung Pay Mini
 

Other

ANT+
VoIP, Tethering, Computer sync, OTA sync

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

Data

LTE, HSPA
LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM

Yes
Yes

SIM type

Micro SIM
Nano SIM

Battery

Capacity

3000 mAh
4000 mAh

Type

User replaceable
Not user replaceable

Charging

 
Samsung Adaptive Fast Charging

Talk time (3G)

18.00 hours
the average is 23 h (1362 min)
26.00 hours
the average is 23 h (1362 min)

Internet use

3G: 9 hours; LTE: 9 hours; Wi-Fi: 11 hours
3G: 12 hours; LTE: 13 hours; Wi-Fi: 13 hours

Music playback

76.00 hours
82.00 hours

Video playback

13.00 hours
21.00 hours

Phone features

Notifications

Haptic feedback, Music ringtones (MP3), Polyphonic ringtones, Vibration, Flight mode, Silent mode, Speakerphone
Haptic feedback, Music ringtones, Vibration

Other features

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

Shopping information

MSRP price

$ 234
$ 250
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