Samsung Galaxy J5 (2017) vs Samsung Galaxy A40

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Display

Display size

5.2 inches
5.9 inches

Resolution

720 x 1280 pixels
1080 x 2340 pixels

Pixel density

282 ppi
437 ppi

Technology

Super AMOLED
Super AMOLED

Screen-to-body ratio

71.39 %
85.73 %

Features

Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Camera

Rear

Single camera
Dual camera

Main camera

13 megapixels
16 megapixels

Hardware Features

Autofocus
Phase detection autofocus

Specifications

Aperture size: F1.7
Aperture size: F1.7; Focal length: 27 mm; Sensor size: 1/2.8"; 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
Hyperlapse, Video calling, Video sharing

Front

13 megapixels
25 megapixels

Features

Flash
 

Design

Dimensions

5.76 x 2.81 x 0.31 inches (146.3 x 71.3 x 7.9 mm)
5.68 x 2.72 x 0.31 inches (144.3 x 69.1 x 7.9 mm)

Weight

5.64 oz (160 g)
the average is 6 oz (172 g)
4.94 oz (140 g)
the average is 6 oz (172 g)

Materials

Back: Metal
Back: Plastic

Biometrics

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

Features

Touch sensitive control keys
 

Colors

Black, Gold, Silver, Pink
Black, Pink, Blue, White

Hardware & Performance

System chip

Samsung Exynos 7 Octa 7870
Samsung Exynos 7 Octa 7885

Processor

Octa-core, 1600 MHz, ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 1800 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm

GPU

Mali-T830 MP2
Mali-G71 MP2

RAM

2 GB
4 GB

Internal storage

16 GB
64 GB

Maximum User Storage

10.1 GB
49.4 GB

Storage expansion

up to 256 GB
up to 512 GB

OS

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

Battery

Capacity

3000 mAh
3100 mAh

Charging

 
Samsung Adaptive Fast Charging

Talk time (3G)

21.00 hours
the average is 23 h (1364 min)
18.00 hours
the average is 23 h (1364 min)

Internet use

 
 

3G

12 hours
9 hours

LTE

13 hours
11 hours

Wi-Fi

14 hours
11 hours

Music playback

83.00 hours
62.00 hours

Video playback

19.00 hours
14.00 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, 1700/2100, 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-A Cat 12/13 (600/150 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 a, b, g, n, ac, dual-band

USB

USB 2.0
USB 2.0

Connector

microUSB
USB Type-C (reversible)

Features

Mass storage device, USB charging
Mass storage device

Mobile Payment

 
Samsung Pay

Location

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

Other

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

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Headphones connector

3.5mm
3.5mm

Additional microphone(s)

 
for Noise cancellation

Regulatory Approval

FCC approval

 
 

Date approved

May 03, 2017
Mar 08, 2019

FCC ID value: A3LSMJ530F link
FCC ID value: A3LSMA405FN link

FCC measured SAR

 
 

Head

0.12 W/kg
0.51 W/kg

Body

0.89 W/kg
0.46 W/kg

Simultaneous Transmission

1.58 W/kg
1.02 W/kg

Wireless Router

1.01 W/kg
0.61 W/kg
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