Samsung Galaxy S6 vs LG K40

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Display

Display size

5.1 inches
5.7 inches

Resolution

1440 x 2560 pixels
720 x 1440 pixels

Pixel density

577 ppi
282 ppi

Technology

Super AMOLED
IPS LCD

Screen-to-body ratio

70.48 %
76.28 %

Features

Scratch-resistant glass (Corning Gorilla Glass 4), Ambient light sensor, Proximity sensor
Scratch-resistant glass (Tempered Glass), Ambient light sensor, Proximity sensor

Camera

Rear

Single camera
Single camera

Main camera

16 megapixels
8 megapixels

Hardware Features

Optical image stabilization, Autofocus, Back-illuminated sensor (BSI)
Phase detection autofocus

Specifications

Aperture size: F1.9; Focal length: 28 mm; Sensor size: 1/2.6"; Pixel size: 1.12 μm
Aperture size: F2.0; Sensor size: 1/3"; Pixel size: 1 μm

Flash

LED
LED

Video recording

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) (120 fps)
1920x1080 (Full HD) (30 fps)

Features

Optical image stabilization, High Dynamic Range mode (HDR), Continuous autofocus, Picture-taking during video recording, Video light, Video calling
Video calling, Video sharing

Front

5 megapixels
5 megapixels

Features

High Dynamic Range mode (HDR)
Flash

Design

Dimensions

5.65 x 2.78 x 0.27 inches (143.4 x 70.5 x 6.8 mm)
6.02 x 2.83 x 0.33 inches (153.0 x 71.9 x 8.3 mm)

Weight

4.87 oz (138 g)
the average is 6.1 oz (173 g)
5.11 oz (145 g)
the average is 6.1 oz (173 g)

Materials

Back: Glass; Frame: Aluminum
Back: Plastic

Resistance

 
Shock; MIL-STD-810 certified

Biometrics

Fingerprint (touch)
Fingerprint (touch)

Features

Touch sensitive control keys, Notification light
 

Colors

Black, Gold, Blue, White
Black, Gray, Blue

Multimedia

Headphones

3.5 mm jack
3.5 mm jack

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features

Album art cover, Background playback, Custom equalizer, Preset equalizer, Sound effects
Album art cover, Background playback

Screen mirroring

DLNA, Wireless screen share
Wireless screen share

Radio

 
FM

Additional microphone(s)

for Noise cancellation, Video recording
for Noise cancellation

Hardware & Performance

System chip

Samsung Exynos 7 Octa 7420
Qualcomm Snapdragon 450 SDM450

Processor

Octa-core, 2100 MHz, ARM Cortex-A57 and ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 2000 MHz, ARM Cortex-A53, 64-bit, 14 nm

GPU

Mali-T760 MP8
Adreno 506

RAM

3 GB
2 GB

Internal storage

128 GB, not expandable
16 GB

Available to use

 
8 GB

Storage expansion

 
microSDXC up to 2000 GB

OS

Android (7.0 Nougat, 6.0 Marshmallow, 5.1 Lollipop, 5.0 Lollipop), Samsung TouchWiz UI
Android (8.1 Oreo)

Connectivity & Features

Bluetooth

4.1
5.0

Wi-Fi

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

USB

microUSB, USB 2.0
microUSB, USB 2.0

Features

Mass storage device, USB charging
Mass storage device, USB OTG

Location

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

Sensors

Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Accelerometer, Compass

Mobile Payment

Samsung Pay
 

Other

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

Cellular

LTE (FDD)

Bands 1, 2, 3, 4, 5, 7, 8, 17, 20
Bands 2, 4, 5, 12, 13, 66

UMTS

850, 1900, 2100 MHz
850, 900, 1900, 2100 MHz

Data

LTE-A Cat 6 (300/50 Mbit/s), HSPA, HSUPA, UMTS
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

Battery

Capacity

2550 mAh
3000 mAh

Type

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

Charging

Yes, Qi and Powermat wireless charging
 

Talk time

 
12.00 hours
the average is 21 h (1250 min)

Stand-by time

 
10.5 days (252 hours)
the average is 21 days (493 h)

Talk time (3G)

23.00 hours
the average is 23 h (1373 min)
 

Internet use

3G: 10 hours; LTE: 12 hours; Wi-Fi: 12 hours
 

Music playback

57.00 hours
 

Video playback

13.00 hours
 

Phone features

Notifications

Haptic feedback, (MP3)
Haptic feedback, Music ringtones, Vibration

Other features

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

Regulatory Approval

FCC approval

 
 

Date approved

Mar 02, 2015
 

FCC ID value: A3LSMG920A link
 

FCC measured SAR

 
 

Head

0.49 W/kg
 

Body

0.96 W/kg
 

Simultaneous Transmission

1.25 W/kg
 

Wireless Router

1.04 W/kg
 

Shopping information

MSRP price

 
$ 180
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