Samsung Galaxy J3 Prime vs Samsung Galaxy A40

$128.79 VIEW ON AMAZON
$236.55 VIEW ON AMAZON

Display

Display size

5.0 inches
5.9 inches

Resolution

720 x 1280 pixels
1080 x 2340 pixels

Pixel density

294 ppi
437 ppi

Technology

TFT
Super AMOLED

Screen-to-body ratio

69.74 %
85.73 %

Features

Scratch-resistant glass (Corning Gorilla Glass), 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

5 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

2 megapixels
25 megapixels

Design

Dimensions

5.54 x 2.76 x 0.34 inches (140.7 x 70.1 x 8.6 mm)
5.69 x 2.72 x 0.31 inches (144.4 x 69.2 x 7.9 mm)

Weight

5.22 oz (148 g)
the average is 6.1 oz (174 g)
4.94 oz (140 g)
the average is 6.1 oz (174 g)

Materials

 
Back: Plastic

Biometrics

 
2D Face unlock, Fingerprint (touch)

Features

Touch sensitive control keys
 

Colors

Black
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

Radio

 
FM

Additional microphone(s)

 
for Noise cancellation

Hardware & Performance

System chip

Qualcomm Snapdragon 425 8917
Samsung Exynos 7 Octa 7885

Processor

Quad-core, 1400 MHz, ARM Cortex-A53, 64-bit, 28 nm
Octa-core, 1800 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm

GPU

Adreno 308
Mali-G71 MP2

RAM

1.5 GB
4 GB

Internal storage

16 GB
64 GB

Available to use

9.1 GB
49.4 GB

Storage expansion

microSDXC up to 256 GB
microSDXC up to 512 GB

OS

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

Connectivity & Features

Bluetooth

4.2
5.0

Wi-Fi

802.11 b, g, n; Hotspot, 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, Gyroscope
Accelerometer, Gyroscope, Compass, Hall (for flip covers)

Mobile Payment

 
Samsung Pay

Other

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

Cellular

LTE (FDD)

Bands 2, 4, 5, 12
Bands 1, 3, 5, 7, 8, 20

LTE (TDD)

 
Bands 38, 40, 41

UMTS

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

Data

LTE, 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

Battery

Capacity

2600 mAh
3100 mAh

Type

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

Charging

 
Samsung Adaptive Fast Charging

Talk time

20.00 hours
the average is 20 h (1174 min)
 

Stand-by time

20.0 days (480 hours)
the average is 20 days (491 h)
 

Talk time (3G)

 
18.00 hours
the average is 23 h (1387 min)

Internet use

3G: 11 hours; LTE: 12 hours; Wi-Fi: 13 hours
3G: 9 hours; LTE: 11 hours; Wi-Fi: 11 hours

Music playback

71.00 hours
62.00 hours

Video playback

13.00 hours
14.00 hours

Phone features

Notifications

Haptic feedback
Haptic feedback, Music ringtones, Vibration

Other features

Voice dialing, Voice commands, Voice recording, TTY/TDD
Voice dialing, Voice commands, Voice recording

Regulatory Approval

FCC approval

 
 

Date approved

Mar 15, 2017
Mar 08, 2019

FCC ID value: A3LSMJ327T link
FCC ID value: A3LSMA405FN link

Measured SAR

 
 

Head

0.44 W/kg
0.51 W/kg

Body

0.30 W/kg
0.46 W/kg

Simultaneous Transmission

1.40 W/kg
1.02 W/kg

Wireless Router

0.30 W/kg
0.61 W/kg
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