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

Aspect Ratio

16:9
19:9

Pixel density

267 ppi
271 ppi

Technology

TFT
IPS LCD

Screen-to-body

71.45 %
80.07 %

Colors

 
16 777 216

Features

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

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 LPDDR3
2 GB LPDDR4

Internal storage

32 GB
32 GB

Available to use

 
22.9 GB

Storage expansion

microSDXC up to 400 GB
microSDXC up to 512 GB

Device type

Smart phone
Smart phone

OS

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

Battery

Capacity

3300 mAh
3400 mAh

Type

Li - Polymer, Not user replaceable
Not user replaceable

Talk time

27.65 hours
the average is 19 h (1141 min)
 

Stand-by time

27.9 days (670 hours)
the average is 21 days (505 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

Camera

Rear

Single camera
Single camera

Main camera

13 megapixels
13 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
Aperture size: F1.9; Focal length: 27 mm; Sensor size: 1/3.1"; Pixel size: 1.12 μm

Flash

LED
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
HDR, Panorama, Effects, Exposure compensation, ISO control, White balance presets, Self-timer, Digital zoom, Geo tagging

Video recording

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

Features

 
Video calling, Video sharing

Front

13 megapixels
5 megapixels

Design

Form factor

Candybar
Candybar

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 6.1 oz (173 g)
5.93 oz (168 g)
the average is 6.1 oz (173 g)

Materials

 
Back: Plastic

Biometrics

2D Face unlock
2D Face unlock

Features

Touch sensitive control keys
 

Keys

Left: Volume control; Right: Lock/Unlock key
Right: Volume control, Lock/Unlock key

Colors

Blue
Black, Blue, Red

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), 5(850), 7(2600), 8(900), 20(800 DD)

LTE (TDD)

 
Bands 38(2600), 40(2300), 41(2600+)

UMTS

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

GSM

850, 900, 1800, 1900 MHz
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
LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

2G Data

EDGE, GPRS
EDGE, GPRS

Dual SIM

 
Yes

SIM type

Nano SIM
Nano SIM

HD Voice

Yes
 

VoLTE

 
Yes

Global Roaming

Yes
Yes

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

Music player

 
 

Filter by

 
Album, Artist, Genre, Playlists

Supported formats

 
MP3, AAC, FLAC, WAV, M4A (Apple lossless), AMR, OGG, MIDI

Video playback

 
 

Supported formats

 
MPEG4, H.263, H.264

Radio

 
FM

Additional microphone(s)

 
for Noise cancellation

Connectivity & Features

Bluetooth

4.2
5.0

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)
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)

Wi-Fi

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

USB

microUSB, USB 2.0
microUSB, USB 2.0

Features

Charging
Mass storage device, Charging

Location

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

Sensors

Accelerometer, Gyroscope, Compass
Accelerometer

Other

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

Hearing aid compatible

M3, T3
 

Phone features

Notifications

 
Haptic feedback, Music ringtones, Vibration

Phonebook

 
Unlimited entries, Caller groups, Multiple numbers per contact, Search by both first and last name, Picture ID, Ring ID

Organizer

 
Calendar, Alarm, Calculator, World clock, Timer, Stopwatch, Countdown timer

Messaging

 
SMS, MMS, Threaded view, Predictive text input

E-mail

 
IMAP, POP3, SMTP, Microsoft Exchange

Instant Messaging

 
Hangouts / Google Talk

Other features

 
Voice dialing, Voice commands, Voice recording

Regulatory Approval

FCC approval

 
 

Date approved

May 10, 2018
Feb 27, 2019

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

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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