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

Compare phone and tablet specifications of up to three devices at once.

Samsung Galaxy J7 Samsung Galaxy J3 (2018)
Released · Jul 23, 2015
Released · Jun 13, 2018
5.5-inch · 1280 x 720 px
5.0-inch · 1280 x 720 px
13 MP Main · 5 MP Selfie
8 MP Main · 5 MP Selfie
1.5GB · 16GB
2GB · 16GB
3000 mAh
2600 mAh

Display

Size
5.5-inch 5.0-inch
Resolution
1280 x 720 px, 267 PPI 1280 x 720 px, 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, 64-bit Quad-core, 1400 MHz, ARM Cortex-A53, 64-bit
GPU
Adreno 405 Mali-T720 MP1
RAM
1.5GB (LPDDR3) 2GB
Internal storage
16GB, available to use: 11.6 GB 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)
Device type
Smartphone Smartphone

Battery

Capacity
3000 mAh 2600 mAh
Type
User replaceable User replaceable
PhoneArena Battery Tests
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested

Camera

Rear
Single camera Single camera
Main camera
13 MP (Autofocus)
Specifications:
Aperture size: F1.9
Focal length: 28 mm
8 MP (Autofocus, BSI sensor)
Specifications:
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)
Features:
Video calling
1920x1080 (Full HD) (30 fps)
Features:
Video calling, Video sharing
Front
5 MP (Flash) 5 MP, Video capture: 1920x1080 (Full HD)
PhoneArena Camera Tests
N/A
Overall
N/A
Photo
N/A
Video
N/A
Overall
N/A
Photo
N/A
Video

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

Cellular

4G (FDD)
Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD) Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 14(700 PS)
4G (TDD)
Bands 40(2300)
3G
Bands 5(850), 8(900), 2(1900), 1(2100) 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
Dual SIM
Yes
SIM type
Micro SIM Nano SIM
HD Voice
Yes

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

Connectivity & Features

Bluetooth
4.1 4.2
Wi-Fi
802.11 b,g,n
Hotspot, Wi-Fi Direct
802.11 b,g,n
Hotspot, Wi-Fi Direct
USB
microUSB, USB 2.0, Features: Mass storage device, Charging microUSB, USB 2.0, Features: Mass storage device, Charging
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

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

Price
$ 234
In The Box
Charger and microUSB cable

Availability

Officially announced
Jul 16, 2015 Jun 07, 2018
FCC OKs Cingular\'s purchase of AT&T Wireless