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Samsung Galaxy J7 Prime 2 vs Samsung Galaxy A5 (2017) vs Samsung Galaxy A21s

Compare phone and tablet specifications of up to three devices at once.

Comparison mode:

Display

Size:

5.5 inches
5.2 inches
6.5 inches

Resolution:

1920 x 1080 pixels, 16:9 ratio, 401 PPI
1920 x 1080 pixels, 424 PPI
1600 x 720 pixels, 20:9 ratio, 270 PPI

Technology:

IPS LCD
Super AMOLED
TFT

Screen-to-body:

73.39 %
71.51 %
82.94 %

Features:

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

Hardware

System chip:

Samsung Exynos 7 Octa 7870
Samsung Exynos 7 Octa 7880
Samsung Exynos 850

Processor:

Octa-core, 1600 MHz, ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 1900 MHz, ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 2000 MHz, Arm Cortex-A55, 64-bit

GPU:

Mali-T830 MP1
Mali-T830 MP3
Mali-G76

RAM:

3GB LPDDR3
3GB LPDDR3
3GB LPDDR4

Internal storage:

32GB, available to use: 23.9 GB
32GB, available to use: 23.1 GB
32GB (eMMC 5.1), available to use: 19.5 GB

Storage expansion:

microSDXC up to 256 GB
microSDXC up to 256 GB
microSDXC up to 512 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (9.0 Pie, 8.0 Oreo, 7.1 Nougat), Samsung One UI
Android (8.0 Oreo, 7.0 Nougat, 6.0 Marshmallow)
Android (10), Samsung One UI

Battery

Capacity:

3300 mAh
3000 mAh
5000 mAh

Type:

Not user replaceable
Li - Ion, Not user replaceable
Li - Polymer, Not user replaceable

Battery life test results:

Charging:

Fast charging
Fast charging

Camera

Rear:

Single camera
Single camera
Quad camera

Main camera:

13 MP (PDAF)
16 MP (Autofocus, CMOS image sensor)
48 MP (PDAF)

Specifications:

Aperture size: F1.9; Focal length: 27 mm; Sensor size: 1/3.06"; Pixel size: 1.12 μm
Aperture size: F1.9; Focal length: 27 mm
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)
1920x1080 (Full HD) (30 fps)

Features:

Video calling, Video sharing
Video calling, Video sharing

Front:

13 MP
16 MP
13 MP

Video capture:

1920x1080 (Full HD)
1920x1080 (Full HD)

Design

Dimensions:

5.97 x 2.95 x 0.31 inches (151.7 x 75 x 8 mm)
5.75 x 2.81 x 0.31 inches (146.1 x 71.4 x 7.9 mm)
6.44 x 2.96 x 0.35 inches (163.7 x 75.3 x 8.9 mm)

Weight:

6.00 oz (170.0 g)
5.61 oz (159.0 g)
6.77 oz (192.0 g)

Materials:

Back: Metal
Back: Glass; Frame: Metal

Resistance:

Water, Dust; IP68

Biometrics:

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

Features:

Notification light, Touch sensitive control keys
Touch sensitive control keys

Keys:

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

Colors:

Black, Gold, Rose gold
Black sky, Gold sand, Blue mist, Peach cloud
Black, White, Blue, Red

Cellular

LTE (FDD):

Bands 1(2100), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 17(700 b), 20(800 DD), 28(700 APT)
Bands 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)

LTE (TDD):

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

UMTS:

Bands 5(850), 8(900), 2(1900), 1(2100)
Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)
Bands 5(850), 8(900), 2(1900), 1(2100)

Data Speed:

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

Dual SIM:

Yes
Yes
Yes

SIM type:

Nano SIM
Nano SIM
Nano SIM

VoLTE:

Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features:

Album art cover, Background playback
Album art cover, Background playback

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share

Radio:

FM
FM

Additional microphone(s):

for Noise cancellation

Connectivity & Features

Bluetooth:

4.1
4.2
5.0

Wi-Fi:

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

USB:

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

Features:

Charging, Mass storage device
Charging, Mass storage device
Charging

Location:

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

Sensors:

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

Other:

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

Regulatory Approval

FCC approval:

Date approved:

Dec 06, 2016

FCC ID value:

A3LSMA520F

Measured SAR:

Head:

0.30 W/kg

Body:

0.55 W/kg

Simultaneous Transmission:

1.59 W/kg

Wireless Router:

1.09 W/kg

Buyers information

Price:

€ 240

User Manual:

This is the official Samsu​ng Galaxy A21s User Guide in English provided from the manufacturer.

In The Box:

Charger, microUSB cable, Headset and Documentation

Availability

Officially announced:

Jan 02, 2017
May 15, 2020
FCC OKs Cingular\'s purchase of AT&T Wireless