Samsung Galaxy J7 Star vs Samsung Galaxy J7 Refine Specs Comparison

Availability

Officially announced
	Jun 29, 2018

Design

Dimensions
6.03 x 3 x 0.34 inches 153.2 x 76.2 x 8.6 mm	6.03 x 3 x 0.34 inches 153.2 x 76.2 x 8.6 mm
Weight
6.38 oz / 181.0 g	6.38 oz / 181.0 g
Biometrics
2D Face unlock	2D Face unlock
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
Blue	Gold

Display

Size
5.5-inch, 71.45% screen-to-body	5.5-inch, 71.45% screen-to-body
Type
TFT	TFT
Resolution
1280x720px, 16:9 ratio, 267 PPI	1280x720px, 16:9 ratio, 267 PPI
Colors
	16 777 216
Protection
Corning Gorilla Glass 5	Corning Gorilla Glass 5

Hardware

System chip
Samsung Exynos 7 Octa 7870 (14 nm)	Samsung Exynos 7 Octa 7884 (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)/32GB
Storage expansion
microSDXC up to 400 GB	microSDXC up to 400 GB
OS
Android (9.0 Pie, 8.0 Oreo)	Android (8.0 Oreo)

Battery

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

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	13 MP (PDAF) Aperture size: F1.7 Focal length: 28 mm Sensor size: 1/3.06" Pixel size: 1.12 μm
Flash
LED	LED
Video recording
1080p (30 fps)	1080p (30 fps) Video calling, Video sharing
Front
13 MP	13 MP

Connectivity & Features

Bluetooth
4.2	4.2
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 Hotspot, Wi-Fi Direct 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, 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), 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
Screen mirroring
Wireless screen share	Wireless screen share
Additional microphone(s)
	Yes

Cellular

4G (FDD) Bands
2, 4, 5, 12, 66, 71	25, 26
4G (TDD) Bands
	41
3G Bands
5, 4, 2, 1
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), HSPA, HSUPA
SIM type
Nano SIM	Nano SIM
HD Voice
Yes	Yes

Phone Features

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

Regulatory Approval

FCC approval
Date approved: May 10, 2018 FCC ID value: A3LSMJ737T	Date approved: May 07, 2018 FCC ID value: A3LSMJ737P
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: 0.96 W/kg Body: 0.76 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.20 W/kg Phablet: 3.91 W/kg

Discover more

Full Specs Samsung Galaxy J7 Star Specs

Full Specs Samsung Galaxy J7 Refine Specs