LG K3 2017 vs LG K40 Specs Comparison

Availability

Officially announced
Dec 22, 2016	Feb 20, 2019
Prices (MSRP)
	$180

Design

Dimensions
5.27 x 2.75 x 0.37 inches 133.9 x 69.75 x 9.44 mm	6.02 x 2.83 x 0.33 inches 153.0 x 71.9 x 8.3 mm
Weight
4.66 oz / 132.0 g	5.11 oz / 145.0 g
Materials
	Back: Plastic
Resistance
	Shock; MIL-STD-810 certified
Biometrics
	Fingerprint (touch)
Keys
Left: Volume control; Right: Lock/Unlock key	Left: Volume control; Right: Lock/Unlock key
Colors
Black	Black, Gray, Blue

Display

Size
4.5-inch, 59.68% screen-to-body	5.7-inch, 76.28% screen-to-body
Type
IPS LCD	IPS LCD
Resolution
854x480px, 218 PPI	1440x720px, 18:9 ratio, 282 PPI
Protection
	Tempered Glass

Hardware

System chip
Snapdragon 210 8909 (28 nm)	Snapdragon 450 SDM450 (14 nm)
Processor
Quad-core 1100 MHz ARM Cortex-A7	Octa-core 2000 MHz ARM Cortex-A53
GPU
Adreno 304	Adreno 506
Memory
1GB (LPDDR3)/8GB	2GB (LPDDR3)/16GB 2GB/32GB
Storage expansion
microSDHC up to 32 GB	microSDXC up to 2000 GB
OS
Android (6.0 Marshmallow)	Android (8.1 Oreo)

Battery

Type
2100 mAh	3000 mAh, Li - Polymer

Camera

Rear
Single camera	Single camera
Main camera
5 MP	8 MP (PDAF) Aperture size: F2.0 Sensor size: 1/3" Pixel size: 1 μm
Flash
LED	LED
Video recording
720p (30 fps) Video calling, Video sharing	1080p (30 fps) Video calling, Video sharing
Front
2 MP (HDR)	5 MP (Flash)

Connectivity & Features

Bluetooth
4.1	5.0
WLAN
b,g,n Hotspot, Wi-Fi Direct 802.11 b, g, n	a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac
USB
microUSB, USB 2.0	microUSB, USB 2.0
Sensors
Accelerometer, Ambient light sensor, Proximity sensor	Accelerometer, Compass, Ambient light sensor, Proximity sensor
Hearing aid compatible
M4/T3	M3/T3
Location
GPS, A-GPS, S-GPS	GPS, A-GPS, Glonass, Cell ID, Wi-Fi positioning
Other
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
Additional microphone(s)
	Noise cancellation

Cellular

4G (FDD) Bands
2, 4, 5, 13	2, 4, 5, 12, 13, 66
3G Bands
	5, 8, 2, 1
Data Speed
LTE	LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
SIM type
	Nano SIM
HD Voice
	Yes

Phone Features

Notifications
Haptic feedback
Other features
Voice dialing, Voice commands, Voice recording

Regulatory Approval

FCC approval
Date approved: Apr 12, 2017 FCC ID value: ZNFUS110
Measured SAR
Head: 1.11 W/kg Body: 1.23 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.23 W/kg

Alternative variants

International version

System chip	MediaTek Helio P22 MT6762 (12 nm)
Processor	Octa-core 2000 MHz ARM Cortex-A53
GPU	IMG PowerVR GE8320
Memory	32GB
Main camera	16 MP
Front	8 MP
4G (FDD) Bands	1, 3, 7, 8, 20
4G (TDD) Bands	38
Dual SIM	Yes

for Metro by T-Mobile

Memory	32GB
OS	Android (9.0 Pie)
Main camera	13 MP
Front	5 MP
4G (FDD) Bands	2, 4, 5, 7, 12, 25, 26, 66, 71
4G (TDD) Bands	41
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 K3 2017 Specs	LG K40 Specs
User Reviews
	LG K40 User Reviews