Samsung Galaxy J7 Star vs Alcatel 3V (2019)

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Display

Display size

5.5 inches
6.7 inches

Resolution

720 x 1280 pixels
720 x 1440 pixels

Pixel density

267 ppi
240 ppi

Technology

TFT
IPS LCD

Screen-to-body

71.45 %
79.69 %

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 P22 MT6762

Processor

Octa-core, 1600 MHz, ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 2000 MHz, ARM Cortex-A53, 64-bit, 12 nm

GPU

Mali-T830 MP1
IMG PowerVR GE8320

RAM

2 GB
3 GB

Internal storage

32 GB
32 GB

Storage expansion

microSDXC up to 400 GB
microSDHC up to 32 GB

OS

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

Battery

Capacity

3300 mAh
4000 mAh

Type

Li - Polymer, Not user replaceable
Not user replaceable

Charging

 
MediaTek Pump Express

Camera

Rear

Single camera
Dual camera

Main camera

13 megapixels
16 megapixels

Features

Phase detection autofocus
Autofocus

Second camera

 
5 megapixels

Features

 
Depth information

Video recording

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

Front

13 megapixels
8 megapixels

Design

Dimensions

6.03 x 3 x 0.34 inches (153.2 x 76.2 x 8.6 mm)
6.87 x 3.28 x 0.33 inches (174.5 x 83.3 x 8.4 mm)

Weight

6.38 oz (181 g)
the average is 6.1 oz (176 g)
6.98 oz (198 g)
the average is 6.1 oz (176 g)

Biometrics

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

Features

Touch sensitive control keys
 

Colors

Blue
Elegant black

Cellular

LTE (FDD)

Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 66(AWS-3), 71(600)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 13(700 c), 20(800 DD), 25(1900+), 26(850+), 66(AWS-3), 71(600)

LTE (TDD)

 
Bands 41(2600+)

UMTS

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

Data Speed

LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 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
Yes

VoLTE

 
Yes

Multimedia

Headphones

3.5mm jack
3.5mm jack

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; Wi-Fi Direct, Hotspot

USB

microUSB, USB 2.0
Type-C (reversible)

Features

Charging
Charging

Sensors

Accelerometer, Gyroscope, Compass
Accelerometer, Compass

Other

NFC, ANT+, UMA (Wi-Fi Calling)
UMA (Wi-Fi Calling), Infrared

Shopping information

In The Box

USB cable, Wall charging adapter, Start guide, Terms & Conditions
Quick start guide, Charger head, Data cable
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