Samsung Galaxy A3 (2017) vs Samsung Galaxy J3 (2018) Specs Comparison

Availability

Officially announced
Jan 02, 2017	Jun 07, 2018

Design

Dimensions
5.33 x 2.61 x 0.31 inches 135.4 x 66.2 x 7.9 mm	5.62 x 2.76 x 0.35 inches 142.7 x 70.1 x 8.9 mm
Weight
4.87 oz / 138.0 g	5.36 oz / 152.0 g
Materials
Back: Glass Frame: Aluminum	Back: Plastic
Resistance
Water, Dust; IP68
Biometrics
Fingerprint (touch)
Features
Touch sensitive control keys	Touch sensitive control keys
Keys
Left: Volume control; Right: Lock/Unlock key	Left: Volume control; Right: Lock/Unlock key
Colors
Black sky, Gold sand, Peach cloud, Blue mist	Silver

Display

Size
4.7-inch, 67.85% screen-to-body	5.0-inch, 68.87% screen-to-body
Type
Super AMOLED	TFT
Resolution
1280x720px, 312 PPI	1280x720px, 16:9 ratio, 294 PPI
Colors
	16 777 216

PhoneArena Display Test

Bright Max (20% APL)
Untested	Untested
Bright Min
1 (Excellent)	Untested

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Samsung Exynos 7 Octa 7870 (14 nm)	Samsung Exynos 7 Quad 7570 (14 nm)
Processor
Octa-core 1600 MHz ARM Cortex-A53	Quad-core 1400 MHz ARM Cortex-A53
GPU
Mali-T830 MP2	Mali-T720 MP1
Memory
2GB (LPDDR3)/16GB	2GB/16GB
Storage expansion
microSDXC up to 256 GB	microSDXC up to 400 GB
OS
Android (7.0 Nougat, 6.0 Marshmallow)	Android (9.0 Pie, 8.0 Oreo)

Battery

Type
2350 mAh	2600 mAh

Camera

Rear
Single camera	Single camera
Main camera
13 MP (Autofocus, CMOS image sensor) Aperture size: F1.9	8 MP (Autofocus, BSI sensor) Aperture size: F1.9 Focal length: 27 mm Sensor size: 1/4" Pixel size: 1.12 μm
Flash
LED	LED
Video recording
1080p (30 fps) Video calling, Video sharing	1080p (30 fps) Video calling, Video sharing
Front
8 MP	5 MP Video capture: 1080p

Connectivity & Features

Bluetooth
4.2	4.2
WLAN
a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac	b,g,n Hotspot, Wi-Fi Direct 802.11 b, g, n
USB
Type-C	microUSB, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Proximity sensor
Hearing aid compatible
	M3/T3
Location
GPS, A-GPS, Glonass	GPS, A-GPS, Glonass
Other
NFC, ANT+, UMA (Wi-Fi Calling), Tethering, Computer sync, OTA sync	UMA (Wi-Fi Calling), VoIP, Tethering, Computer sync, OTA sync

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
Album art cover, Background playback	Album art cover, Background playback
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM	FM

Cellular

4G (FDD) Bands
1, 2, 3, 5, 7, 8, 20	2, 3, 4, 5, 7, 12, 14
4G (TDD) Bands
40
3G Bands
5, 8, 2, 1	5, 2, 1
Data Speed
LTE-A Cat 6 (300/50 Mbit/s), HSPA	LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, HSUPA, UMTS
SIM type
Nano SIM	Nano SIM
HD Voice
	Yes

Phone Features

Notifications
	Haptic feedback, Music ringtones, Vibration, Flight mode, Silent mode, Speakerphone
Other features
	Voice dialing, Voice commands, Voice recording, TTY/TDD

Regulatory Approval

FCC approval
Date approved: Dec 21, 2016 FCC ID value: A3LSMA320F	Date approved: Apr 04, 2018 FCC ID value: A3LSMJ337A
Measured SAR
Head: 0.45 W/kg Body: 0.74 W/kg Simultaneous Transmission: 1.56 W/kg Wireless Router: 0.94 W/kg	Head: 1.22 W/kg Body: 1.02 W/kg Simultaneous Transmission: 1.56 W/kg Wireless Router: 1.18 W/kg

Alternative variants

Dual SIM	Yes

for AT&T Prepaid

Colors	Black

for Verizon

System chip	Samsung Exynos 7884A
Processor	Octa-core 1350 MHz ARM-Cortex A73 and ARM-Cortex A53
4G (FDD) Bands	2, 3, 4, 5, 7, 13
FCC approval	Date approved: May 07, 2018 FCC ID value: A3LSMJ337V
Measured SAR	Head: 1.14 W/kg Body: 0.92 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.17 W/kg

for Sprint and Boost Mobile

System chip	Samsung Exynos 7884A
Processor	Octa-core 1350 MHz ARM-Cortex A73 and ARM-Cortex A53
4G (FDD) Bands	25, 26
4G (TDD) Bands	41

for T-Mobile

4G (FDD) Bands	2, 4, 5, 12, 66, 71

Discover more

Full Specs Samsung Galaxy A3 (2017) Specs PA Review Samsung Galaxy A3 (2017) Review

Full Specs Samsung Galaxy J3 (2018) Specs