Alcatel A7 vs Samsung Galaxy J7 Star Specs Comparison

Availability

Officially announced
Sep 01, 2017

Design

Dimensions
6.01 x 3.01 x 0.35 inches 152.7 x 76.5 x 8.95 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
Biometrics
Fingerprint (touch)	2D Face unlock
Features
	Touch sensitive control keys
Keys
	Left: Volume control; Right: Lock/Unlock key
Colors
	Blue

Display

Size
5.5-inch, 71.45% screen-to-body	5.5-inch, 71.45% screen-to-body
Type
IPS LCD	TFT
Resolution
1920x1080px, 401 PPI	1280x720px, 16:9 ratio, 267 PPI
Protection
	Corning Gorilla Glass 5

Hardware

System chip
MediaTek MT6750T (28 nm)	Samsung Exynos 7 Octa 7870 (14 nm)
Processor
Octa-core 1500 MHz ARM Cortex-A53	Octa-core 1600 MHz ARM Cortex-A53
GPU
Mali-T860 MP2	Mali-T830 MP1
Memory
3GB (LPDDR4)/32GB	2GB (LPDDR3)/32GB
Storage expansion
microSDXC up to 128 GB	microSDXC up to 400 GB
OS
Android (7.0 Nougat)	Android (9.0 Pie, 8.0 Oreo)

Battery

Type
4000 mAh, Li - Ion	3300 mAh, Li - Polymer
Charging
Fast charging

Camera

Rear
Single camera	Single camera
Main camera
16 MP (PDAF) Aperture size: F2.0	13 MP (PDAF) Aperture size: F1.7 Focal length: 28 mm Sensor size: 1/3.06" Pixel size: 1.12 μm
Flash
Dual LED	LED
Video recording
Yes Video calling, Video sharing	1080p (30 fps)
Front
8 MP (Flash)	13 MP

Connectivity & Features

Bluetooth
4.2	4.2
WLAN
b,g,n Wi-Fi Direct 802.11 b, g, n	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, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Hearing aid compatible
M3	M3/T3
Location
GPS, A-GPS	GPS, A-GPS, Glonass, Cell ID, Wi-Fi positioning
Other
NFC, VoIP, Tethering, Computer sync, OTA sync	NFC, ANT+, UMA (Wi-Fi Calling)

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

Cellular

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

Regulatory Approval

FCC approval
	Date approved: May 10, 2018 FCC ID value: A3LSMJ737T
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

Links

Full specifications
Alcatel A7 Specs	Samsung Galaxy J7 Star Specs