Samsung Galaxy A7 (2017) vs Samsung Galaxy A20

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Display

Display size

5.7 inches
6.4 inches

Resolution

1080 x 1920 pixels
720 x 1560 pixels

Pixel density

386 ppi
268 ppi

Technology

Super AMOLED
Super AMOLED

Screen-to-body ratio

73.78 %
84.95 %

Features

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

Camera

Rear

Single camera
Dual camera

Main camera

16 megapixels
13 megapixels

Hardware Features

Autofocus, CMOS image sensor
Autofocus

Specifications

Aperture size: F1.9
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
 

Front

16 megapixels
8 megapixels

Design

Dimensions

6.17 x 3.06 x 0.31 inches (156.8 x 77.6 x 7.9 mm)
6.24 x 2.94 x 0.31 inches (158.4 x 74.7 x 7.8 mm)

Weight

6.56 oz (186 g)
the average is 6.1 oz (174 g)
5.96 oz (169 g)
the average is 6.1 oz (174 g)

Materials

Back: Glass (Corning Gorilla Glass 4); Frame: Aluminum
Back: Plastic

Resistance

Water, Dust; IP 68
 

Biometrics

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

Features

Touch sensitive control keys
 

Colors

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

Multimedia

Headphones

3.5 mm jack
3.5 mm jack

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features

Album art cover, Background playback
 

Screen mirroring

Wireless screen share
Wireless screen share

Radio

FM
 

Additional microphone(s)

 
for Noise cancellation

Hardware & Performance

System chip

Samsung Exynos 7 Octa 7880
Samsung Exynos 7884

Processor

Octa-core, 1900 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 MP3
Mali-G71 MP2

RAM

3 GB
3 GB

Internal storage

32 GB
32 GB

Available to use

23 GB
21.7 GB

Storage expansion

microSDXC up to 256 GB
microSDXC up to 512 GB

OS

Android (8.0 Oreo, 7.0 Nougat, 6.0 Marshmallow)
Android (9.0 Pie), Samsung One UI

Connectivity & Features

Bluetooth

4.2
5.0

Wi-Fi

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

USB

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

Features

Mass storage device, USB charging
Mass storage device

Location

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

Sensors

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

Mobile Payment

Samsung Pay
 

Other

NFC, ANT+, Tethering, Computer sync, OTA sync
VoIP, Tethering, Computer sync, OTA sync

Cellular

LTE (FDD)

Bands 1, 2, 3, 4, 5, 7, 8, 17, 20, 28
Bands 1, 3, 5, 7, 8, 20

LTE (TDD)

Bands 38, 40, 41
Bands 38, 40, 41

UMTS

850, 900, 1700/2100, 1900, 2100 MHz
850, 900, 1900, 2100 MHz

Data

LTE-A Cat 6 (300/50 Mbit/s), 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

Nano SIM
Nano SIM

Battery

Capacity

3600 mAh
4000 mAh

Type

Not user replaceable
Not user replaceable

Charging

Yes
Samsung Adaptive Fast Charging

Talk time (3G)

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

Internet use

3G: 13 hours; LTE: 16 hours; Wi-Fi: 17 hours
3G: 12 hours; LTE: 13 hours; Wi-Fi: 13 hours

Music playback

59.00 hours
82.00 hours

Video playback

20.00 hours
21.00 hours

Phone features

Notifications

Haptic feedback
 

Other features

Voice dialing, Voice commands, Voice recording
 

Regulatory Approval

FCC approval

 
 

Date approved

Dec 01, 2016
 

FCC ID value: A3LSMA720F link
 

Measured SAR

 
 

Head

0.24 W/kg
 

Body

0.71 W/kg
 

Simultaneous Transmission

3.78 W/kg
 

Wireless Router

1.08 W/kg
 

Shopping information

MSRP price

 
$ 250
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