LG K8 (2018) vs LG K40 Specs Comparison

Design

Dimensions
5.7 x 2.83 x 0.31 inches 144.8 x 71.9 x 7.9 mm	6.02 x 2.83 x 0.33 inches 153.0 x 71.9 x 8.3 mm
Weight
4.95 oz (140.0 g)	5.11 oz (145.0 g)
Materials
Back: Plastic	Back: Plastic
Resistance
	Shock; MIL-STD-810 certified
Biometrics
	Fingerprint (touch)
Keys
Left: Volume control; Back: Lock/Unlock key	Left: Volume control; Right: Lock/Unlock key
Colors
Blue	Black, Gray, Blue

Display

Size
5.0-inch	5.7-inch
Resolution
1280x720px, 294 PPI	1440x720px, 18:9 ratio, 282 PPI
Technology
TFT	IPS LCD
Screen-to-body
66.22 %	76.28 %
Colors
16 777 216
Features
Ambient light sensor, Proximity sensor	Scratch-resistant glass (Tempered Glass), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 425 MSM8917 (28 nm)	Qualcomm Snapdragon 450 SDM450 (14 nm)
Processor
Quad-core 1400 MHz ARM Cortex-A53	Octa-core 2000 MHz ARM Cortex-A53
GPU
Adreno 308	Adreno 506
RAM
2GB (LPDDR3)	2GB (LPDDR3)
Internal storage
16GB, available to use: 9.32 GB	16GB, available to use: 8 GB
Storage expansion
microSDHC up to 32 GB	microSDXC up to 2000 GB
OS
Android (7.1 Nougat)	Android (8.1 Oreo)

Battery

Capacity
2500 mAh	3000 mAh
Type
Li - Ion	Li - Polymer

Camera

Rear
Single camera	Single camera
Main camera
8 MP (Autofocus)	8 MP (PDAF) Aperture size: F2.0 Sensor size: 1/3" Pixel size: 1 μm
Flash
LED	LED
Video recording
1920x1080 (Full HD) (30 fps) Picture-taking during video recording, Video calling, Video sharing	1920x1080 (Full HD) (30 fps) Video calling, Video sharing
Front
5 MP, Video capture: 1920x1080 (Full HD)	5 MP (Flash)

Connectivity & Features

Bluetooth
4.2	5.0
WLAN
802.11 b,g,n Hotspot, Wi-Fi Direct	802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot
USB
microUSB, USB 2.0	microUSB, USB 2.0
Hearing aid compatible
M3/T3	M3/T3
Location
GPS, A-GPS	GPS, A-GPS, Glonass, Cell ID, Wi-Fi positioning
Sensors
Accelerometer	Accelerometer, Compass
Other
UMA (Wi-Fi Calling), VoIP, Tethering, Computer sync, OTA sync	NFC, VoIP, Tethering, Computer sync, OTA sync

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
Album art cover, Background playback	Album art cover, Background playback
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM	FM
Additional microphone(s)
Noise cancellation	Noise cancellation

Cellular

4G (FDD)
Bands 2(1900), 4(AWS-1), 5(850), 12(700 a)	Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 66(AWS-3)
3G
Bands 5(850), 4(1700/2100), 2(1900)	Bands 5(850), 8(900), 2(1900), 1(2100)
Data Speed
LTE Cat 4 (150/50 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
VoLTE
Yes

Phone Features

Notifications
Haptic feedback, Music ringtones, Vibration, Flight mode, Silent mode, Speakerphone
Other features
Voice dialing, Voice commands, Voice recording

Buyers information

MSRP
$ 140	$ 180
In The Box
Battery, USB Cable and Power adapter

Availability

Officially announced
Feb 22, 2018	Feb 20, 2019

Alternative variants

4G (FDD)	Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 25(1900+)

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

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

Links

Full specifications
LG K8 (2018) Specs	LG K40 Specs
User Reviews
	LG K40 User Reviews