Samsung Galaxy J7 vs Samsung Galaxy J3 (2018) Specs Comparison

Design

Dimensions
6.00 x 3.09 x 0.30 inches 152.4 x 78.6 x 7.5 mm	5.62 x 2.76 x 0.35 inches 142.7 x 70.1 x 8.9 mm
Weight
6.03 oz (171.0 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
Black, Gold, White	Silver

Display

Size
5.5-inch	5.0-inch
Resolution
1280x720px, 267 PPI	1280x720px, 16:9 ratio, 294 PPI
Technology
Super AMOLED	TFT
Screen-to-body
69.72 %	68.87 %
Colors
16 777 216	16 777 216
Features
Ambient light sensor, Proximity sensor	Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 615 8939	Samsung Exynos 7 Quad 7570 (14 nm)
Processor
Octa-core 1500 MHz ARM Cortex-A53	Quad-core 1400 MHz ARM Cortex-A53
GPU
Adreno 405	Mali-T720 MP1
Memory
1.5GB (LPDDR3)/16GB	2GB/16GB
Storage expansion
microSDXC up to 128 GB	microSDXC up to 400 GB
OS
Android (6.0 Marshmallow, 5.1 Lollipop)	Android (9.0 Pie, 8.0 Oreo)

Battery

Type
3000 mAh	2600 mAh

Camera

Rear
Single camera	Single camera
Main camera
13 MP (Autofocus) Aperture size: F1.9 Focal length: 28 mm	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	1080p (30 fps) Video calling, Video sharing
Front
5 MP (Flash)	5 MP Video capture: 1080p

Connectivity & Features

Bluetooth
4.1	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
Location
GPS, A-GPS, Glonass	GPS, A-GPS, Glonass
Sensors
Accelerometer, Hall (for flip covers)	Accelerometer, Gyroscope, Compass
Other
ANT+	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, RDS	FM

Cellular

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

Phone Features

Notifications
Haptic feedback, Music ringtones (MP3), Polyphonic ringtones, Vibration, Flight mode, Silent mode, Speakerphone	Haptic feedback, Music ringtones, Vibration, Flight mode, Silent mode, Speakerphone
Other features
Voice dialing, Voice commands, Voice recording	Voice dialing, Voice commands, Voice recording, TTY/TDD

Regulatory Approval

FCC approval
	Date approved: Apr 04, 2018 FCC ID value: A3LSMJ337A
Measured SAR
	Head: 1.22 W/kg Body: 1.02 W/kg Simultaneous Transmission: 1.56 W/kg Wireless Router: 1.18 W/kg

Buyers information

MSRP
$ 234
In The Box
	Charger and microUSB cable

Availability

Officially announced
Jul 16, 2015	Jun 07, 2018

Alternative variants

Memory	2GB
4G (FDD)	Bands 12, 5, 26, 4, 2, 25
4G (TDD)	Bands 41
3G	Bands 5, 8, 4, 2, 1

for AT&T Prepaid

Colors	Black

Memory	2GB
OS	Android (7.1 Nougat)
4G (FDD)	Bands 2, 4, 5, 12
3G	Bands 5, 4, 2, 1

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(AWS-3), 71(600)

Links

Full specifications
Samsung Galaxy J7 Specs	Samsung Galaxy J3 (2018) Specs
User Reviews
Samsung Galaxy J7 User Reviews