LG Q8 vs LG K40 Specs Comparison

Availability

Officially announced
Jul 20, 2017	Feb 20, 2019
Prices (MSRP)
	$180

Design

Dimensions
5.87 x 2.83 x 0.31 inches 149 x 71.9 x 8 mm	6.02 x 2.83 x 0.33 inches 153.0 x 71.9 x 8.3 mm
Weight
5.15 oz / 146.0 g	5.11 oz / 145.0 g
Materials
Back: Metal	Back: Plastic
Resistance
Water, Dust; IP67	Shock; MIL-STD-810 certified
Biometrics
Fingerprint (touch)	Fingerprint (touch)
Features
Notification light
Keys
Left: Volume control	Left: Volume control; Right: Lock/Unlock key
Colors
Gray	Black, Gray, Blue

Display

Size
5.2-inch, 69.55% screen-to-body	5.7-inch, 76.28% screen-to-body
Type
IPS LCD, 500 nits	IPS LCD
Resolution
2560x1440px, 565 PPI	1440x720px, 18:9 ratio, 282 PPI
Protection
Corning Gorilla Glass 4	Tempered Glass
Additional display
1.8 inches, 160 x1040 px, IPS LCD, Colors: 16 777 216, Touch screen: Yes, Capacitive

Hardware

System chip
Snapdragon 820 MSM8996 (14 nm)	Snapdragon 450 SDM450 (14 nm)
Processor
Quad-core 2150 MHz Kryo	Octa-core 2000 MHz ARM Cortex-A53
GPU
Adreno 530	Adreno 506
Memory
4GB (LPDDR4)/32GB	2GB (LPDDR3)/16GB 2GB/32GB
Storage expansion
microSDXC up to 2000 GB	microSDXC up to 2000 GB
OS
Android (7.0 Nougat)	Android (8.1 Oreo)

Battery

Type
3000 mAh, Li - Polymer	3000 mAh, Li - Polymer
Charging
Qualcomm Quick Charge 3.0

Camera

Rear
Dual camera	Single camera
Main camera
16 MP (OIS, Laser autofocus) Aperture size: F1.8 Focal length: 28 mm Sensor size: 1/2.6" Pixel size: 1.12 μm	8 MP (PDAF) Aperture size: F2.0 Sensor size: 1/3" Pixel size: 1 μm
Second camera
8 MP Aperture size: F2.4 Focal Length: 10 mm Sensor size: 1/4"
Flash
Dual LED	LED
Video recording
4K UHD (30 fps), 1080p (60 fps), 720p (120 fps) Time-lapse video, EIS, Video calling, Video sharing	1080p (30 fps) Video calling, Video sharing
Front
5 MP (Wide Angle, Autofocus) Video capture: 1080p	5 MP (Flash)

Connectivity & Features

Bluetooth
4.2	5.0
WLAN
a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac	a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac
USB
Type-C	microUSB, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Step detector, Ambient light sensor, Proximity sensor	Accelerometer, Compass, Ambient light sensor, Proximity sensor
Hearing aid compatible
	M3/T3
Location
GPS, A-GPS, Glonass	GPS, A-GPS, Glonass, Cell ID, Wi-Fi positioning
Other
NFC, Infrared, 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,SlimPort	Wireless screen share
Radio
FM, RDS	FM
Additional microphone(s)
Noise cancellation	Noise cancellation

Cellular

4G (FDD) Bands
3, 7	2, 4, 5, 12, 13, 66
3G Bands
5, 8, 2, 1	5, 8, 2, 1
Data Speed
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, 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

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

Discover more

Full Specs LG Q8 Specs

Full Specs LG K40 Specs