Samsung Galaxy J7 Star vs Alcatel 3V (2019) - specs comparison

Display

Size

5.5 inches

6.7 inches

Resolution

720 x 1280 pixels

720 x 1440 pixels

Aspect Ratio

16:9

18:9

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

2GB LPDDR3

3GB

Internal storage

32GB

Available to use

23 GB

Storage expansion

microSDXC up to 400 GB

microSDHC up to 32 GB

Device type

Smart phone

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

Talk time

27.65 hours

25.00 hours

Stand-by time

27.9 days (670 hours)

20.8 days (500 hours)

Talk time (3G)

24.00 hours

Stand-by time (3G)

20.8 days (500 hours)

Talk time (4G)

24 hours

Stand-by time (4G)

16.7 days (400 hours)

Music playback

76.70 hours

Video playback

19.00 hours

8.00 hours

Camera

Rear

Single camera

Dual camera

Main camera

13 megapixels

16 megapixels

Features

Phase-detection autofocus

Autofocus

Specifications

Aperture size: F1.7; Focal length: 28 mm; Sensor size: 1/3.06"; Pixel size: 1.12 μm

Second camera

5 megapixels

Features

Depth information

Flash

LED

Software Features

HDR, Panorama, Face detection, Burst mode, Night mode, Exposure compensation, ISO control, White balance presets, Touch to focus, Self-timer, Digital zoom, Geo tagging

Scenes, Touch to focus, Digital zoom, Geo tagging

Video recording

1920x1080 (Full HD) (30 fps)

Front

13 megapixels

8 megapixels

Video capture

1920x1080 (Full HD) (30 fps)

Design

Form factor

Candybar

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)

6.98 oz (198 g)

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

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

GSM

850, 900, 1800, 1900 MHz

Data Speed

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

2G Data

EDGE, GPRS

SIM type

Nano SIM

HD Voice

Yes

VoLTE

Yes

Global Roaming

Yes

Multimedia

Headphones

3.5mm jack

Speakers

Earpiece, Loudspeaker

Earpiece, Multiple speakers

Screen mirroring

Wireless screen share

Additional microphone(s)

for Noise cancellation

Connectivity & Features

Bluetooth

4.2

Profiles/ Protocols

Advanced Audio Distribution (A2DP), Audio/Visual Remote Control Profile (AVRCP), Generic Access (GAP), Handsfree (HFP), Headset (HSP), Message Access Profile (MAP), Object Push (OPP), Phone Book Access (PBAP)