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

Design

Dimensions
5.55 x 2.76 x 0.34 inches 141 x 70.1 x 8.6 mm	5.62 x 2.76 x 0.35 inches 142.7 x 70.1 x 8.9 mm
Weight
5.22 oz (148.0 g)	5.36 oz (152.0 g)
Materials
	Back: Plastic
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
Silver	Silver

Display

Size
5.0-inch	5.0-inch
Resolution
1280x720px, 294 PPI	1280x720px, 16:9 ratio, 294 PPI
Technology
TFT	TFT
Screen-to-body
69.74 %	68.87 %
Colors
16 777 216	16 777 216
Features
Proximity sensor	Proximity sensor

Hardware

System chip
Samsung Exynos 7 Quad 7570 (14 nm)	Samsung Exynos 7 Quad 7570 (14 nm)
Processor
Quad-core 1400 MHz ARM Cortex-A53	Quad-core 1400 MHz ARM Cortex-A53
GPU
Mali-T720	Mali-T720 MP1
RAM
1.5GB	2GB
Internal storage
16GB, available to use: 10 GB	16GB
Storage expansion
microSDXC up to 256 GB	microSDXC up to 400 GB
OS
Android (7.0 Nougat)	Android (9.0 Pie, 8.0 Oreo)

Battery

Capacity
2600 mAh	2600 mAh
Type
Li - Ion

Camera

Rear
Single camera	Single camera
Main camera
5 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
1920x1080 (Full HD) (30 fps) Video calling, Video sharing	1920x1080 (Full HD) (30 fps) Video calling, Video sharing
Front
2 MP	5 MP, Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
4.2	4.2
WLAN
802.11 b,g,n Hotspot, Wi-Fi Direct	802.11 b,g,n Hotspot, Wi-Fi Direct
USB
microUSB, USB 2.0	microUSB, USB 2.0
Hearing aid compatible
M3/T3	M3/T3
Location
GPS, A-GPS, Glonass	GPS, A-GPS, Glonass
Sensors
Accelerometer, Gyroscope, Compass	Accelerometer, Gyroscope, Compass
Other
UMA (Wi-Fi Calling), VoIP, 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
Additional microphone(s)
Noise cancellation

Cellular

4G (FDD)
Bands 2(1900), 4(AWS-1), 5(850), 12(700 a)	Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 14(700 PS)
3G
Bands 5(850), 4(1700/2100), 2(1900)	Bands 5(850), 2(1900), 1(2100)
Data Speed
LTE, 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	Yes

Phone Features

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

Regulatory Approval

FCC approval
Date approved: Feb 08, 2017 FCC ID value: A3LSMJ327A	Date approved: Apr 04, 2018 FCC ID value: A3LSMJ337A
Measured SAR
Head: 0.73 W/kg Body: 1.04 W/kg Simultaneous Transmission: 1.32 W/kg Wireless Router: 1.10 W/kg	Head: 1.22 W/kg Body: 1.02 W/kg Simultaneous Transmission: 1.56 W/kg Wireless Router: 1.18 W/kg

Buyers information

In The Box
	Charger and microUSB cable

Availability

Officially announced
May 14, 2017	Jun 07, 2018

Alternative variants

For AT&T

4G (FDD)	Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a)

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(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 13(700 c)
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(1900+), 26(850+)
4G (TDD)	Bands 41(2600+)

for T-Mobile

4G (FDD)	Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 66(AWS-3), 71(600)

Links

Full specifications
Samsung Galaxy J3 (2017) Specs	Samsung Galaxy J3 (2018) Specs
User Reviews
Samsung Galaxy J3 (2017) User Reviews