LG K30 vs Samsung Galaxy J7 Star

Display

Display size

5.3 inches
5.5 inches

Resolution

720 x 1280 pixels
720 x 1280 pixels

Pixel density

277 ppi
267 ppi

Technology

TFT
TFT

Screen-to-body ratio

69.55 %
71.45 %

Features

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

Camera

Rear

Single camera
Single camera

Main camera

8 megapixels
13 megapixels

Hardware Features

Phase detection autofocus
Phase detection autofocus

Specifications

Aperture size: F2.2
Aperture size: F1.7; Focal length: 28 mm; Sensor size: 1/3.06"; Pixel size: 1.12 μm

Flash

LED
LED

Video recording

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

Features

Picture-taking during video recording, Video calling, Video sharing
Video calling, Video sharing

Front

5 megapixels
13 megapixels

Design

Dimensions

5.85 x 2.95 x 0.34 inches (148.6 x 74.9 x 8.6 mm)
6.03 x 3 x 0.34 inches (153.2 x 76.2 x 8.6 mm)

Weight

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

Materials

Frame: Metal
 

Biometrics

Fingerprint (touch)
2D Face unlock

Features

 
Touch sensitive control keys

Colors

Black
Blue

Hardware & Performance

System chip

Qualcomm Snapdragon 425 MSM8917
Samsung Exynos 7 Octa 7870

Processor

Quad-core, 1400 MHz, ARM Cortex-A53, 64-bit, 28 nm
Octa-core, 1600 MHz, ARM Cortex-A53, 64-bit, 14 nm

GPU

Adreno 308
Mali-T830 MP1

RAM

2 GB
2 GB

Internal storage

16 GB
32 GB

Storage expansion

up to 2000 GB
up to 400 GB

OS

Android (7.1 Nougat)
Android (8.0 Oreo)

Battery

Capacity

3000 mAh
3300 mAh

Charging

Yes
 

Talk time

12.00 hours
the average is 22 h (1342 min)
27.65 hours
the average is 22 h (1342 min)

Stand-by time

14.0 days (336 hours)
the average is 20 days (480 h)
27.9 days (670 hours)
the average is 20 days (480 h)

Music playback

 
76.70 hours

Video playback

 
19.00 hours

Cellular

LTE (FDD)

Bands 2, 4, 5, 12, 13, 66
Bands 2, 4, 5, 12, 66, 71

UMTS

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

GSM

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

CDMA

800, 1900 MHz
 

Data

LTE Cat 4 (150/50 Mbit/s), HSPA, HSUPA, UMTS
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
 

Connectivity

Bluetooth

4.2
4.2

Wi-Fi

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

USB

USB 2.0
USB 2.0

Connector

microUSB
microUSB

Features

Mass storage device, USB OTG
Mass storage device

Location

GPS, A-GPS
GPS, A-GPS, Glonass

Other

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

Phone features

Sensors

Accelerometer
Accelerometer, Gyroscope, Compass

Notifications

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

Hearing aid compatibility

M3, T3
M3, T3

Other features

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

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

 
FCC ID value: A3LSMJ737T link

FCC measured SAR

 
 

Head

 
1.36 W/kg

Body

 
1.01 W/kg

Simultaneous Transmission

 
1.58 W/kg

Wireless Router

 
1.11 W/kg

Phablet

 
3.60 W/kg

Shopping information

In The Box

SIM removal tool, microUSB Cable, Wall Charging Adapter, Start Guide
USB cable, Wall charging adapter, Start guide, Terms & Conditions

MSRP price

$ 180
 
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