Samsung Galaxy J7 Star vs Samsung Galaxy A10

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Display

Display size

5.5 inches
6.2 inches

Resolution

720 x 1280 pixels
720 x 1520 pixels

Pixel density

267 ppi
271 ppi

Technology

TFT
IPS LCD

Screen-to-body ratio

71.45 %
80.07 %

Features

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

Camera

Rear

Single camera
Single camera

Main camera

13 megapixels
13 megapixels

Hardware Features

Phase detection autofocus
Autofocus

Specifications

Aperture size: F1.7; Focal length: 28 mm; Sensor size: 1/3.06"; Pixel size: 1.12 μm
Aperture size: F1.9; Focal length: 27 mm; Sensor size: 1/3.1"; Pixel size: 1.12 μm

Flash

LED
LED

Video recording

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

Features

Video calling, Video sharing
Video calling, Video sharing

Front

13 megapixels
5 megapixels

Design

Dimensions

6.03 x 3 x 0.34 inches (153.2 x 76.2 x 8.6 mm)
6.13 x 2.98 x 0.31 inches (155.6 x 75.6 x 7.94 mm)

Weight

6.38 oz (181 g)
the average is 6 oz (172 g)
5.93 oz (168 g)
the average is 6 oz (172 g)

Materials

 
Back: Plastic

Biometrics

2D Face unlock
2D Face unlock

Features

Touch sensitive control keys
 

Colors

Blue
Black, Blue, Red

Hardware & Performance

System chip

Samsung Exynos 7 Octa 7870
Samsung Exynos 7884

Processor

Octa-core, 1600 MHz, ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 1600 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm

GPU

Mali-T830 MP1
Mali-G71 MP2

RAM

2 GB
2 GB

Internal storage

32 GB
32 GB

Maximum User Storage

 
22.9 GB

Storage expansion

up to 400 GB
up to 512 GB

OS

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

Battery

Capacity

3300 mAh
3400 mAh

Talk time

27.65 hours
the average is 23 h (1379 min)
 

Stand-by time

27.9 days (670 hours)
the average is 21 days (498 h)
 

Talk time (3G)

 
21.00 hours
the average is 23 h (1387 min)

Internet use

 
 

3G

 
15 hours

LTE

 
19 hours

Wi-Fi

 
19 hours

Music playback

76.70 hours
72.00 hours

Video playback

19.00 hours
18.00 hours

Cellular

LTE (FDD)

Bands 2, 4, 5, 12, 66, 71
Bands 1, 2, 3, 5, 7, 8, 20

LTE (TDD)

 
Bands 38, 40, 41

UMTS

850, 1700/2100, 1900, 2100 MHz
850, 900, 1900, 2100 MHz

GSM

850, 900, 1800, 1900 MHz
850, 900, 1800, 1900 MHz

Data

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

Dual SIM

 
Yes

SIM type

Nano SIM
Nano SIM

HD Voice

Yes
 

VoLTE

 
Yes

Connectivity

Bluetooth

4.2
5.0

Wi-Fi

802.11 a, b, g, n, ac, dual-band
802.11 b, g, n

USB

USB 2.0
USB 2.0

Connector

microUSB
microUSB

Features

Mass storage device
Mass storage device

Location

GPS, A-GPS, Glonass
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning

Other

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

Phone features

Sensors

Accelerometer, Gyroscope, Compass
Accelerometer

Notifications

Haptic feedback, Music ringtones, Vibration, Flight mode, Silent mode, Speakerphone
Haptic feedback, Music ringtones, Vibration

Hearing aid compatibility

M3, T3
 

Other features

Voice dialing, Voice commands, Voice recording, TTY/TDD
Voice dialing, Voice commands, Voice recording

Multimedia

Screen mirroring

Wireless screen share
Wireless screen share

Radio

 
FM

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Headphones connector

3.5mm
3.5mm

Additional microphone(s)

 
for Noise cancellation

Regulatory Approval

FCC approval

 
 

Date approved

May 10, 2018
Feb 27, 2019

FCC ID value: A3LSMJ737T link
FCC ID value: A3LSMA105F link

FCC measured SAR

 
 

Head

1.36 W/kg
0.20 W/kg

Body

1.01 W/kg
0.63 W/kg

Simultaneous Transmission

1.58 W/kg
0.97 W/kg

Wireless Router

1.11 W/kg
0.65 W/kg

Phablet

3.60 W/kg
 

Shopping information

In The Box

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