Samsung Galaxy J7 Star vs LG K40

$134.99 VIEW ON eBay
$175.52 VIEW ON AMAZON

Display

Display size

5.5 inches
5.7 inches

Resolution

720 x 1280 pixels
720 x 1440 pixels

Pixel density

267 ppi
282 ppi

Technology

TFT
IPS LCD

Screen-to-body

71.45 %
76.28 %

Features

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

Hardware & Performance

System chip

Samsung Exynos 7 Octa 7870
Qualcomm Snapdragon 450 SDM450

Processor

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

GPU

Mali-T830 MP1
Adreno 506

RAM

2 GB
2 GB

Internal storage

32 GB
16 GB

Storage expansion

microSDXC up to 400 GB
microSDXC up to 2000 GB

OS

Android (9.0 Pie, 8.0 Oreo), Samsung One UI
Android (8.1 Oreo)

Battery

Capacity

3300 mAh
3000 mAh

Type

Li - Polymer, Not user replaceable
Li - Polymer, Not user replaceable

Camera

Rear

Single camera
Single camera

Main camera

13 megapixels
8 megapixels

Features

Phase detection autofocus
Phase detection autofocus

Video recording

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

Features

 
Video calling, Video sharing

Front

13 megapixels
5 megapixels

Features

 
Flash

Design

Dimensions

6.03 x 3 x 0.34 inches (153.2 x 76.2 x 8.6 mm)
6.02 x 2.83 x 0.33 inches (153.0 x 71.9 x 8.3 mm)

Weight

6.38 oz (181 g)
the average is 6.1 oz (174 g)
5.11 oz (145 g)
the average is 6.1 oz (174 g)

Materials

 
Back: Plastic

Resistance

 
Shock; MIL-STD-810 certified

Biometrics

2D Face unlock
Fingerprint (touch)

Features

Touch sensitive control keys
 

Colors

Blue
Black, Gray, Blue

Cellular

LTE (FDD)

Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 66(AWS-3), 71(600)
Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 66(AWS-3)

UMTS

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

Data Speed

LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

SIM type

Nano SIM
Nano SIM

HD Voice

Yes
Yes

Multimedia

Headphones

3.5mm jack
3.5mm jack

Features

 
Album art cover, Background playback

Connectivity & Features

Bluetooth

4.2
5.0

Wi-Fi

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

USB

microUSB, USB 2.0
microUSB, USB 2.0

Features

Charging
Mass storage device, OTG, Charging

Sensors

Accelerometer, Gyroscope, Compass
Accelerometer, Compass

Other

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

Phone features

Notifications

 
Haptic feedback, Music ringtones, Vibration

Other features

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

Shopping information

In The Box

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

MSRP price

 
$ 180
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