Samsung Galaxy J7 Perx vs Samsung Galaxy J3 Emerge Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

Comparison mode:
Differences only
Samsung Galaxy J7 Perx Samsung Galaxy J3 Emerge
Released · Apr 10, 2017
Released · Jan 06, 2017
5.5-inch · 1280x720px
5.0-inch · 1280x720px
Single camera
Single camera
2GB · 16GB
1.5GB · 16GB
3300 mAh
2600 mAh

Availability

Officially announced
Apr 10, 2017 Jan 06, 2017

Design

Dimensions
5.9 x 3 x 0.3 inches
149.9 x 76.2 x 7.6 mm
5.55 x 2.76 x 0.34 inches
140.9 x 70.1 x 8.7 mm
Weight
5.90 oz / 167.3 g 5.19 oz / 147.0 g
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 Silver

Display

Size
5.5-inch, 73.03% screen-to-body 5.0-inch, 69.74% screen-to-body
Type
TFT TFT
Resolution
1280x720px, 267 PPI 1280x720px, 294 PPI
Colors
16 777 216 16 777 216

Hardware

System chip
Snapdragon 625 8953 (14 nm) Snapdragon 425 8917 (28 nm)
Processor
Octa-core
2200 MHz
ARM Cortex-A53
Quad-core
1400 MHz
ARM Cortex-A53
GPU
Adreno 506 Adreno 308
Memory
2GB (LPDDR3)/16GB 1.5GB (LPDDR3)/16GB
Storage expansion
microSDXC up to 128 GB microSDXC up to 256 GB
OS
Android (7.0 Nougat) Android (6.0 Marshmallow)

Battery

Type
3300 mAh, Li - Ion 2600 mAh, Li - Ion

Camera

Rear
Single camera Single camera
Main camera
8 MP (Autofocus, CMOS image sensor) 5 MP (Autofocus)
Aperture size: F1.9
Flash
LED LED
Video recording
1080p (30 fps)
Video calling, Video sharing
1080p (30 fps)
Video calling, Video sharing
Front
5 MP
Video capture: 1080p
2 MP

Connectivity & Features

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

Cellular

4G (FDD) Bands
2, 4, 5, 12, 25, 26 2, 4, 5, 12, 25, 26
4G (TDD) Bands
41 41
3G Bands
5, 8, 4, 2, 1 5, 4, 2
Data Speed
LTE, HSPA, UMTS LTE Cat 4 (150/50 Mbit/s), HSPA
SIM type
Nano SIM
HD Voice
Yes Yes

Phone Features

Notifications
Haptic feedback Haptic feedback
Other features
Voice dialing, Voice commands, Voice recording Voice dialing, Voice commands, Voice recording, TTY/TDD

Regulatory Approval

FCC approval
Date approved: Aug 01, 2017
FCC ID value: A3LSMJ727P
Date approved: Oct 24, 2016
FCC ID value: A3LSMJ327P
Measured SAR
Head: 0.65 W/kg
Body: 0.17 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 0.59 W/kg
Phablet: 3.99 W/kg
Head: 0.49 W/kg
Body: 0.53 W/kg
Simultaneous Transmission: 1.24 W/kg
Wireless Router: 0.94 W/kg

Alternative variants

OS Android (8.0 Oreo)
4G (FDD) Bands 2, 3, 4, 5, 7, 13
HD Voice Yes
VoLTE Yes
Other UMA (Wi-Fi Calling)
FCC approval Date approved: Oct 11, 2017
FCC ID value: A3LSMJ327V
Measured SAR Head: 0.54 W/kg
Body: 0.82 W/kg
Simultaneous Transmission: 1.41 W/kg
Wireless Router: 0.99 W/kg
OS Android (8.0 Oreo)
Colors Black
4G (FDD) Bands 2, 3, 4, 5, 7, 13
HD Voice Yes
VoLTE Yes
Other UMA (Wi-Fi Calling)
FCC approval Date approved: Oct 11, 2017
FCC ID value: A3LSMJ327V
Measured SAR Head: 0.54 W/kg
Body: 0.82 W/kg
Simultaneous Transmission: 1.41 W/kg
Wireless Router: 0.99 W/kg
FCC OKs Cingular\'s purchase of AT&T Wireless