Samsung Galaxy J7 Star vs Alcatel 7 Specs Comparison

Availability

Officially announced
	Aug 13, 2018
Prices (MSRP)
	$180

Design

Dimensions
6.03 x 3 x 0.34 inches 153.2 x 76.2 x 8.6 mm	6.38 x 2.95 x 0.34 inches 162.1 x 74.9 x 8.6 mm
Weight
6.38 oz / 181.0 g	6.17 oz / 175.0 g
Materials
	Back: Glass
Biometrics
2D Face unlock	2D Face unlock, Fingerprint (touch)
Features
Touch sensitive control keys
Keys
Left: Volume control; Right: Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Blue	Black

Display

Size
5.5-inch, 71.45% screen-to-body	6.0-inch, 76.51% screen-to-body
Type
TFT	LCD
Resolution
1280x720px, 16:9 ratio, 267 PPI	2160x1080px, 402 PPI
Protection
Corning Gorilla Glass 5	Dragontrail

Hardware

System chip
Samsung Exynos 7 Octa 7870 (14 nm)	MediaTek Helio P23 MT6763T (16 nm)
Processor
Octa-core 1600 MHz ARM Cortex-A53	Octa-core 2300 MHz ARM Cortex-A53
GPU
Mali-T830 MP1	Mali-G71MP2
Memory
2GB (LPDDR3)/32GB	2GB (LPDDR4)/32GB
Storage expansion
microSDXC up to 400 GB	microSDXC up to 128 GB
OS
Android (9.0 Pie, 8.0 Oreo)	Android (8.1 Oreo)

Battery

Type
3300 mAh, Li - Polymer	4000 mAh, Li - Ion
Charging
	MediaTek Pump Express

Camera

Rear
Single camera	Dual camera
Main camera
13 MP (PDAF) Aperture size: F1.7 Focal length: 28 mm Sensor size: 1/3.06" Pixel size: 1.12 μm	12 MP (PDAF) Aperture size: F2.2 Focal length: 27 mm Sensor size: 1/2.8" Pixel size: 1.25 μm
Second camera
	2 MP (Depth information) Aperture size: F2.4 Sensor size: 1/5" Pixel size: 1.75 μm
Flash
LED	Dual LED
Video recording
1080p (30 fps)	1080p (30 fps) EIS, Video calling, Video sharing
Front
13 MP	8 MP (Flash) Video capture: 1080p

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,dual-band Wi-Fi Direct 802.11 a, b, g, n
USB
microUSB, USB 2.0	Type-C
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	M4/T3
Location
GPS, A-GPS, Glonass, Cell ID, Wi-Fi positioning	GPS, A-GPS
Other
NFC, ANT+, UMA (Wi-Fi Calling)	UMA (Wi-Fi Calling), Infrared, 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
Radio
	FM

Cellular

4G (FDD) Bands
2, 4, 5, 12, 66, 71	2, 4, 5, 12, 66, 71
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), HSPA, HSUPA, UMTS
SIM type
Nano SIM	Nano SIM
HD Voice
Yes
VoLTE
	Yes

Regulatory Approval

FCC approval
Date approved: May 10, 2018 FCC ID value: A3LSMJ737T	Date approved: May 25, 2018 FCC ID value: 2ACCJBT09
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: 1.03 W/kg Body: 1.10 W/kg Simultaneous Transmission: 1.57 W/kg Wireless Router: 1.18 W/kg

Discover more

Full Specs Samsung Galaxy J7 Star Specs

Full Specs Alcatel 7 Specs