Samsung Galaxy A3 (2016) vs Samsung Galaxy A40

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Display

Display size

4.7 inches
5.9 inches

Resolution

720 x 1280 pixels
1080 x 2340 pixels

Pixel density

312 ppi
437 ppi

Technology

Super AMOLED
Super AMOLED

Screen-to-body ratio

69.30 %
85.73 %

Features

Scratch-resistant glass (Corning Gorilla Glass 4), 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: F1.9
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

Video recording

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

Features

Video calling, Video sharing
Hyperlapse, Video calling, Video sharing

Front

5 megapixels
25 megapixels

Design

Dimensions

5.30 x 2.57 x 0.29 inches (134.5 x 65.2 x 7.3 mm)
5.69 x 2.72 x 0.31 inches (144.4 x 69.2 x 7.9 mm)

Weight

4.66 oz (132 g)
the average is 6.1 oz (174 g)
4.94 oz (140 g)
the average is 6.1 oz (174 g)

Materials

Back: Glass; Frame: Metal
Back: Plastic

Biometrics

 
2D Face unlock, Fingerprint (touch)

Features

Touch sensitive control keys
 

Colors

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

Multimedia

Headphones

3.5 mm jack
3.5 mm jack

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features

Album art cover, Background playback
Dolby Atmos, Album art cover, Background playback

Screen mirroring

Wireless screen share
Wireless screen share

Radio

FM
FM

Additional microphone(s)

 
for Noise cancellation

Hardware & Performance

System chip

Samsung Exynos 7 Quad 7578
Samsung Exynos 7 Octa 7885

Processor

Quad-core, 1500 MHz, ARM Cortex-A53, 64-bit
Octa-core, 1800 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm

GPU

Mali-T720 MP2
Mali-G71 MP2

RAM

1.5 GB
4 GB

Internal storage

16 GB
64 GB

Available to use

10.7 GB
49.4 GB

Storage expansion

microSDXC up to 128 GB
microSDXC up to 512 GB

OS

Android (7.0 Nougat, 5.1 Lollipop)
Android (9.0 Pie), Samsung One UI

Connectivity & Features

Bluetooth

4.1
5.0

Wi-Fi

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

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, Galileo, BeiDou, Cell ID, Wi-Fi positioning

Sensors

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

Mobile Payment

 
Samsung Pay

Other

NFC, ANT+, UMA (Wi-Fi Calling), Tethering, Computer sync, OTA sync
NFC, 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 Cat 4 (150/50 Mbit/s), HSPA, HSUPA
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

Battery

Capacity

2300 mAh
3100 mAh

Type

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

Charging

 
Samsung Adaptive Fast Charging

Talk time (3G)

14.00 hours
the average is 23 h (1387 min)
18.00 hours
the average is 23 h (1387 min)

Internet use

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

Music playback

58.00 hours
62.00 hours

Video playback

14.00 hours
14.00 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

Regulatory Approval

FCC approval

 
 

Date approved

 
Mar 08, 2019

 
FCC ID value: A3LSMA405FN link

Measured SAR

 
 

Head

 
0.51 W/kg

Body

 
0.46 W/kg

Simultaneous Transmission

 
1.02 W/kg

Wireless Router

 
0.61 W/kg
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