LG K40 vs Samsung Galaxy S8 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

9.0
Samsung Galaxy S8
LG K40 Samsung Galaxy S8
Released · March 2019
Released · Apr 21, 2017
5.7-inch
5.8-inch
Single camera
Single camera
2GB · 16GB
4GB · 64GB
3000 mAh
3000 mAh

Design

Dimensions
6.02 x 2.83 x 0.33 inches
153.0 x 71.9 x 8.3 mm
5.86 x 2.68 x 0.31 inches
148.9 x 68.1 x 8.0 mm
Weight
5.11 oz (145.0 g) 5.47 oz (155.0 g)
Materials
Back: Plastic Back: Glass (Corning Gorilla Glass 5)
Frame: Aluminum
Resistance
Shock; MIL-STD-810 certified Water, Dust; IP68
Biometrics
Fingerprint (touch) Iris scanner, 2D Face unlock, Fingerprint (touch)
Keys
Left: Volume control; Right: Lock/Unlock key Left: Volume control, Other; Right: Lock/Unlock key
Colors
Black, Gray, Blue Midnight black, Orchid gray, Arctic silver, Coral blue, Maple gold, Rose pink, Burgundy red

Display

Size
5.7-inch 5.8-inch
Resolution
1440x720px, 18:9 ratio, 282 PPI 2960x1440px, 18.5:9 ratio, 570 PPI
Technology
IPS LCD Super AMOLED
Screen-to-body
76.28 % 84.26 %
Features
Scratch-resistant glass (Tempered Glass), Ambient light sensor, Proximity sensor HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 450 SDM450 (14 nm) Qualcomm Snapdragon 835 MSM8998 (10 nm)
Processor
Octa-core
2000 MHz
ARM Cortex-A53
Octa-core
2350 MHz
Kryo 280
GPU
Adreno 506 Adreno 540
RAM
2GB (LPDDR3) 4GB (LPDDR4)
Internal storage
16GB, available to use: 8 GB 64GB
Storage expansion
microSDXC up to 2000 GB microSDXC up to 256 GB
OS
Android (8.1 Oreo) Android (9.0 Pie, 8.0 Oreo, 7.0 Nougat), Samsung One UI

Battery

Capacity
3000 mAh 3000 mAh
Type
Li - Polymer Li - Ion
Charging
Qualcomm Quick Charge 2.0, Qi and Powermat wireless charging

Camera

Rear
Single camera Single camera
Main camera
8 MP (PDAF)
Aperture size: F2.0
Sensor size: 1/3"
Pixel size: 1 μm
12 MP (OIS, PDAF)
Aperture size: F1.7
Focal length: 26 mm
Sensor size: 1/2.55"
Pixel size: 1.4 μm
Flash
LED LED
Video recording
1920x1080 (Full HD) (30 fps)
Video calling, Video sharing
3840x2160 (4K UHD) (30 fps), 2560x1440 (QHD), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) (240 fps)
HDR, Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking, Picture-taking during video recording, Video light, EIS, Video calling, Video sharing
Front
5 MP (Flash) 8 MP (Wide Angle, Autofocus, HDR), Video capture: 2560x1440 (QHD)

Connectivity & Features

Bluetooth
5.0 5.0, Yes
WLAN
802.11 a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot
802.11 a,b,g,n,ac,dual-band
MIMO, Wi-Fi Direct, Hotspot
USB
microUSB, USB 2.0 Type-C, USB 3.1
Hearing aid compatible
M3/T3 M3/T3
Location
GPS, A-GPS, Glonass, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Compass Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Other
NFC, VoIP, Tethering, Computer sync, OTA sync NFC, ANT+, UMA (Wi-Fi Calling), Tethering, Computer sync, OTA sync

Multimedia

Headphones
3.5mm jack 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Loudspeaker
Features
Album art cover, Background playback 32-Bit DAC, aptX-HD
Screen mirroring
Wireless screen share DLNA,Wireless screen share,MHL
Radio
FM
Additional microphone(s)
Noise cancellation Noise cancellation, Video recording

Cellular

4G (FDD)
Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 66(AWS-3) Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3)
4G (TDD)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
3G
Bands 5(850), 8(900), 2(1900), 1(2100) Bands 1(2100), 2(1900), 5(850), 8(900)
Data Speed
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s LTE-A Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
SIM type
Nano SIM Nano SIM
HD Voice
Yes Yes

Regulatory Approval

FCC approval
Date approved: Apr 06, 2017
FCC ID value: A3LSMG950U
Measured SAR
Head: 0.49 W/kg
Body: 0.48 W/kg
Simultaneous Transmission: 1.53 W/kg
Wireless Router: 0.46 W/kg

Buyers information

MSRP
$ 180

Availability

Officially announced
Feb 20, 2019 Mar 29, 2017

Alternative variants

International version
System chip MediaTek Helio P22 MT6762 (12 nm)
Processor Octa-core
2000 MHz
ARM Cortex-A53
GPU IMG PowerVR GE8320
Internal storage 32GB, available to use: 20.2 GB
Main camera 16 MP
Front 8 MP
4G (FDD) Bands 1(2100), 3(1800), 7(2600), 8(900), 20(800 DD)
4G (TDD) Bands 38(2600)
Dual SIM Yes
International version
System chip Samsung Exynos 9 Octa 8895 (10 nm)
Processor Octa-core
2300 MHz
Exynos M2 "Mongoose" and ARM Cortex-A53
GPU Mali-G71 MP20
4G (FDD) Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 32(1500 L-band), 66(AWS-3)
4G (TDD) Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
FCC approval Date approved: Sep 05, 2017
FCC ID value: A3LSMG950F
Measured SAR Head: 0.38 W/kg
Body: 0.75 W/kg
Simultaneous Transmission: 1.55 W/kg
Wireless Router: 1.09 W/kg
for Metro by T-Mobile
Internal storage 32GB, available to use: 17.9 GB
OS Android (9.0 Pie)
Main camera 13 MP
Front 5 MP
4G (FDD) Bands 2(1900), 4(AWS-1), 5(850), 7(2600), 12(700 a), 25(1900+), 26(850+), 66(AWS-3), 71(600)
4G (TDD) Bands 41(2600+)
FCC approval Date approved: May 28, 2019
FCC ID value: ZNFX420MM
Measured SAR Head: 0.51 W/kg
Body: 0.98 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 0.98 W/kg
Phablet: 3.99 W/kg
for T-Mobile
4G (FDD) Bands 2(1900), 4(AWS-1), 5(850), 12(700 a)
3G Bands 5(850), 4(1700/2100), 2(1900), 1(2100)
VoLTE Yes
for Verizon Wireless
4G (FDD) Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 13(700 c), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+), 28(700 APT)
4G (TDD) Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
3G Bands 5(850), 8(900), 2(1900), 1(2100)
for U.S. Cellular
4G (FDD) Bands 2(1900), 4(AWS-1), 5(850), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 25(1900+)
4G (TDD) Bands 38(2600), 39(1900+), 40(2300)
Data Speed LTE-A, HSPA, UMTS
with Dual SIM
System chip Samsung Exynos 9 Octa 8895 (10 nm)
Processor Octa-core
2500 MHz
Exynos M2 "Mongoose"and ARM Cortex-A53
GPU Mali-G71 MP20
Dual SIM Yes
FCC OKs Cingular\'s purchase of AT&T Wireless