Samsung Galaxy J7 Star vs Samsung Galaxy J7 (2017) AT&T Specs Comparison

Availability

Prices (MSRP)
	$240

Design

Dimensions
6.03 x 3 x 0.34 inches 153.2 x 76.2 x 8.6 mm	5.96 x 3.01 x 0.34 inches 151.5 x 76.4 x 8.6 mm
Weight
6.38 oz / 181.0 g	5.6 oz / 159.0 g
Biometrics
2D Face unlock
Features
Touch sensitive control keys
Keys
Left: Volume control; Right: Lock/Unlock key	Left: Volume control; Right: Lock/Unlock key
Colors
Blue	Black

Display

Size
5.5-inch, 71.45% screen-to-body	5.5-inch, 72.05% screen-to-body
Type
TFT	TFT
Resolution
1280x720px, 16:9 ratio, 267 PPI	1280x720px, 267 PPI
Protection
Corning Gorilla Glass 5	Corning Gorilla Glass 4

PhoneArena Display Test

Bright Max (20% APL)
Untested	Untested
Bright Min
Untested	6 (Poor)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Samsung Exynos 7 Octa 7870 (14 nm)	Samsung Exynos 7 Octa 7870 (14 nm)
Processor
Octa-core 1600 MHz ARM Cortex-A53	Octa-core 1600 MHz ARM Cortex-A53
GPU
Mali-T830 MP1	Mali-T830 MP1
Memory
2GB (LPDDR3)/32GB	2GB (LPDDR3)/16GB
Storage expansion
microSDXC up to 400 GB	microSDXC up to 256 GB
OS
Android (9.0 Pie, 8.0 Oreo)	Android (7.0 Nougat)

Battery

Type
3300 mAh, Li - Polymer	3300 mAh, Li - Ion

Camera

Rear
Single camera	Single camera
Main camera
13 MP (PDAF) Aperture size: F1.7 Focal length: 28 mm Sensor size: 1/3.06" Pixel size: 1.12 μm	8 MP (Autofocus, CMOS image sensor)
Flash
LED	LED
Video recording
1080p (30 fps)	1080p (60 fps) Video calling, Video sharing
Front
13 MP	5 MP

Connectivity & Features

Bluetooth
4.2	4.1, Yes
WLAN
a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac	a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac
USB
microUSB, USB 2.0	microUSB, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Hall (for flip covers), Ambient light sensor, Proximity sensor
Hearing aid compatible
M3/T3	M3/T3
Location
GPS, A-GPS, Glonass, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass
Other
NFC, ANT+, UMA (Wi-Fi Calling)	ANT+, UMA (Wi-Fi Calling), Tethering, Computer sync, OTA sync

Discover more

Full Specs Samsung Galaxy J7 Star Specs

Full Specs Samsung Galaxy J7 (2017) AT&T Specs PA Review Samsung Galaxy J7 (2017) AT&T Review

Multimedia

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

Cellular

4G (FDD) Bands
2, 4, 5, 12, 66, 71	2, 3, 4, 5, 7, 12
3G Bands
5, 4, 2, 1	5, 4, 2
Data Speed
LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A Cat 6 (300/50 Mbit/s)
SIM type
Nano SIM	Nano SIM
HD Voice
Yes	Yes
VoLTE
	Yes

Regulatory Approval

FCC approval
Date approved: May 10, 2018 FCC ID value: A3LSMJ737T	Date approved: Mar 17, 2017 FCC ID value: A3LSMJ727A
Measured SAR
Head: 1.36 W/kg Body: 1.01 W/kg Simultaneous Transmission: 1.58 W/kg Wireless Router: 1.11 W/kg Phablet: 3.60 W/kg	Head: 0.62 W/kg Body: 0.57 W/kg Simultaneous Transmission: 1.25 W/kg Wireless Router: 0.75 W/kg Phablet: 3.97 W/kg