Samsung Galaxy J7 Star vs Alcatel 7

Display

Display size

5.5 inches
6.0 inches

Resolution

720 x 1280 pixels
1080 x 2160 pixels

Pixel density

267 ppi
402 ppi

Technology

TFT
LCD

Screen-to-body

71.45 %
76.51 %

Features

Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
Scratch-resistant glass (Dragontrail), Ambient light sensor, Proximity sensor

Hardware & Performance

System chip

Samsung Exynos 7 Octa 7870
MediaTek Helio P23 MT6763T

Processor

Octa-core, 1600 MHz, ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 2300 MHz, ARM Cortex-A53, 64-bit, 16 nm

GPU

Mali-T830 MP1
Mali-G71MP2

RAM

2 GB
2 GB

Internal storage

32 GB
32 GB

Storage expansion

microSDXC up to 400 GB
microSDXC up to 128 GB

OS

Android (9.0 Pie, 8.0 Oreo), Samsung One UI
Android (8.1 Oreo)

Battery

Capacity

3300 mAh
4000 mAh

Type

Li - Polymer, Not user replaceable
Li - Ion, Not user replaceable

Charging

 
MediaTek Pump Express

Camera

Rear

Single camera
Dual camera

Main camera

13 megapixels
12 megapixels

Features

Phase detection autofocus
Phase detection autofocus

Second camera

 
2 megapixels

Features

 
Depth information

Video recording

1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD) (30 fps)

Features

 
Digital image stabilization, Video calling, Video sharing

Front

13 megapixels
8 megapixels

Features

 
Flash

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 g)
the average is 6.1 oz (173 g)
6.17 oz (175 g)
the average is 6.1 oz (173 g)

Materials

 
Back: Glass

Biometrics

2D Face unlock
2D Face unlock, Fingerprint (touch)

Features

Touch sensitive control keys
 

Colors

Blue
Black

Cellular

LTE (FDD)

Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 66(AWS-3), 71(600)
Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 66(AWS-3), 71(600)

UMTS

850, 1700/2100, 1900, 2100 MHz
850, 1700/2100, 1900 MHz

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

Multimedia

Headphones

3.5mm jack
3.5mm jack

Features

 
Album art cover, Background playback

Connectivity & Features

Bluetooth

4.2
4.2

Wi-Fi

802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, dual-band; Wi-Fi Direct

USB

microUSB, USB 2.0
Type-C (reversible)

Features

Charging
Mass storage device, Charging

Sensors

Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass, Hall (for flip covers)

Other

NFC, ANT+, UMA (Wi-Fi Calling)
UMA (Wi-Fi Calling), Infrared, VoIP, Tethering, Computer sync, OTA sync

Shopping information

In The Box

USB cable, Wall charging adapter, Start guide, Terms & Conditions
 

MSRP price

 
$ 180
This copy is for your personal, non-commercial use only. You can order presentation-ready copies for distribution to your colleagues, clients or customers at https://www.parsintl.com/phonearena or use the Reprints & Permissions tool that appears at the bottom of each web page. Visit https://www.parsintl.com/ for samples and additional information.