LG X Mach vs LG K40
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Display
Size
Resolution
Technology
IPS LCD
IPS LCD
Screen-to-body
73.16 %
76.28 %
Colors
16 777 216
16 777 216
Peak brightness
400 cd/m2 (nit)
Touchscreen
Capacitive, Multi-touch
Features
Scratch-resistant glass (Corning Gorilla Glass), Ambient light sensor, Proximity sensor
Scratch-resistant glass (Tempered Glass), Ambient light sensor, Proximity sensor
Hardware
System chip
Qualcomm Snapdragon 808 MSM8992
Qualcomm Snapdragon 450 SDM450
Processor
GPU
Adreno 418
Adreno 506
RAM
Internal storage
32GB
16GB, available to use: 8 GB
Storage expansion
microSDXC up to 2000 GB
microSDXC up to 2000 GB
Device type
Smartphone
Smartphone
OS
Android (6.0 Marshmallow), LG UX UI
Android (8.1 Oreo)
Battery
Capacity
3000 mAh
3000 mAh
Type
Li - Ion, User replaceable
Li - Polymer, Not user replaceable
Camera
Rear
Single camera
Single camera
Main camera
Specifications
Pixel size: 1.55 μm
Aperture size: F2.0; Sensor size: 1/3"; Pixel size: 1 μm
Video recording
3840x2160 (4K UHD) (30 fps)
1920x1080 (Full HD) (30 fps)
Features
Time-lapse video, EIS, Video calling, Video sharing
Video calling, Video sharing
Front
8 MP
5 MP (Flash)
Design
Dimensions
Weight
the average is 6.3 oz (179 g)
the average is 6.3 oz (179 g)
Materials
Back: Plastic
Resistance
Shock; MIL-STD-810 certified
Biometrics
Fingerprint (touch)
Fingerprint (touch)
Keys
Back: Volume control
Left: Volume control; Right: Lock/Unlock key
Colors
Black, Gray, Blue
Cellular
LTE (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 20(800 DD), 28(700 APT)
Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 66(AWS-3)
LTE (TDD)
Bands 38(2600)
UMTS
850, 900, 1900, 2100 MHz
850, 900, 1900, 2100 MHz
Data Speed
SIM type
Nano SIM
Nano SIM
HD Voice
Yes
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
DLNA, Wireless screen share
Wireless screen share
Radio
FM
FM
Additional microphone(s)
for Noise cancellation
for Noise cancellation
Connectivity & Features
Bluetooth
4.2
5.0
Wi-Fi
802.11 a, b, g, n, ac, dual-band; 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, Charging
Mass storage device, OTG, Charging
Location
GPS, A-GPS
GPS, A-GPS, Glonass, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Step counter
Accelerometer, Compass
Other
NFC, Tethering, Computer sync, OTA sync
NFC, VoIP, Tethering, Computer sync, OTA sync
Hearing aid compatible
M3, T3
Phone features
Notifications
Haptic feedback, Music ringtones (MP3), Polyphonic ringtones, Vibration, Flight mode, Silent mode, Speakerphone
Haptic feedback, Music ringtones, Vibration
Other features
Voice dialing, Voice commands, Voice recording
Voice dialing, Voice commands, Voice recording, TTY/TDD
Regulatory Approval
EU SAR
Head
0.44 W/kg
Buyers information
Price
$ 180
Availability
Officially announced
Feb 20, 2019
