Samsung Galaxy J5 (2017) vs Samsung Galaxy A21s

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Display

Size

5.2 inches
6.5 inches

Resolution

1280 x 720 pixels,
282 PPI
1600 x 720 pixels, 20:9 ratio,
270 PPI

Technology

Super AMOLED
TFT

Screen-to-body

71.39 %
82.94 %

Colors

16 777 216
 

Touchscreen

Capacitive, Multi-touch
 

Features

Ambient light sensor, Proximity sensor
Proximity sensor

Hardware

System chip

Samsung Exynos 7 Octa 7870
Samsung Exynos 850

Processor

Octa-core, 1600 MHz, ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 2000 MHz, Arm Cortex-A55, 64-bit

GPU

Mali-T830 MP2
Mali-G76

RAM

2GB LPDDR3
3GB LPDDR4

Internal storage

16GB, available to use: 10.1 GB
32GB (eMMC 5.1), available to use: 19.5 GB

Storage expansion

microSDXC up to 256 GB
microSDXC up to 512 GB

Device type

Smartphone
Smartphone

OS

Android (9.0 Pie, 8.1 Oreo, 7.0 Nougat), Samsung One UI
Android (10), Samsung One UI

Battery

Capacity

3000 mAh
5000 mAh

Type

Not user replaceable
Li - Polymer, Not user replaceable

Battery life test results

 

Charging

 
Fast charging

Camera

Rear

Single camera
Quad camera

Main camera

13 MP (Autofocus)
48 MP (PDAF)

Specifications

Aperture size: F1.7
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm

Second camera

 
8 MP (Ultra-wide)

Specifications

 
Aperture size: F2.2; Sensor size: 1/4"; Pixel size: 1.12 μm

Third camera

 
2 MP (Macro)

Specifications

 
Aperture size: F2.4

Fourth camera

 
2 MP (Depth information)

Specifications

 
Aperture size: F2.4

Video recording

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

Features

Video calling, Video sharing
 

Front

13 MP (Flash)
13 MP

Design

Dimensions

5.76 x 2.81 x 0.31 inches (146.3 x 71.3 x 7.9 mm)
6.44 x 2.96 x 0.35 inches (163.7 x 75.3 x 8.9 mm)

Weight

5.64 oz (160.0 g)
the average is 6.3 oz (179 g)
6.77 oz (192.0 g)
the average is 6.3 oz (179 g)

Materials

Back: Metal
 

Biometrics

Fingerprint (touch)
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, Gold, Silver, Pink
Black, White, Blue, Red

Cellular

LTE (FDD)

Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD)
Bands 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)

LTE (TDD)

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

UMTS

850, 900, 1700/2100, 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, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

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
 

Screen mirroring

Wireless screen share
Wireless screen share

Radio

FM
 

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

Mass storage device, Charging
Charging

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

Other

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

Phone features

Notifications

Haptic feedback
 

Other features

Voice dialing, Voice commands, Voice recording
 

Regulatory Approval

FCC approval

 
 

Date approved

May 03, 2017
 

FCC ID value: A3LSMJ530F link
 

Measured SAR

 
 

Head

0.12 W/kg
 

Body

0.89 W/kg
 

Simultaneous Transmission

1.58 W/kg
 

Wireless Router

1.01 W/kg
 

Buyers information

Price

 
€ 240

User Manual

 
Download the Samsu​ng Galaxy A21s Manual as a PDF file.

Availability

Officially announced

Jun 06, 2017
May 15, 2020
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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