LG K40 vs LG K51
Compare phone and tablet specifications of up to three devices. Type a model name in the search field of our phone comparison tool or pick a popular device from the ones below.
Display
Size
Resolution
Technology
IPS LCD
IPS LCD
Screen-to-body
76.28 %
79.70 %
Features
Scratch-resistant glass (Tempered Glass), Ambient light sensor, Proximity sensor
Ambient light sensor, Proximity sensor
Hardware & Performance
System chip
Qualcomm Snapdragon 450 SDM450
MediaTek Helio P22 MT6762
Processor
GPU
Adreno 506
IMG PowerVR GE8320
RAM
Internal storage
16GB
32GB
Storage expansion
microSDXC up to 2000 GB
microSDXC up to 2000 GB
OS
Android (8.1 Oreo)
Android (9.0 Pie)
Battery
Capacity
3000 mAh
4000 mAh
Type
Li - Polymer, Not user replaceable
Li - Ion, Not user replaceable
Stand-by time (hours)
252 hours
588 hours
Camera
Rear
Single camera
Triple camera
Main camera
Specifications
Aperture size: F2.0; Sensor size: 1/3"; Pixel size: 1 μm
Aperture size: F1.8
Second camera
5 MP (Ultra-wide)
Specifications
Aperture size: F2.2
Third camera
2 MP (Depth information)
Video recording
1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD)
Features
Video calling, Video sharing
Front
5 MP (Flash)
13 MP
Design
Dimensions
Weight
the average is 6.5 oz (184 g)
the average is 6.5 oz (184 g)
Materials
Back: Plastic
Resistance
Shock; MIL-STD-810 certified
Biometrics
Fingerprint (touch)
Fingerprint (touch)
Colors
Black, Gray, Blue
Black
Cellular
Carrier locked phone
Yes
LTE (FDD)
Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 66(AWS-3)
Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 14(700 PS), 25(1900+), 26(850+), 66(AWS-3), 71(600)
LTE (TDD)
Bands 41(2600+)
UMTS
850, 900, 1900, 2100 MHz
850, 900, 1700/2100, 1900, 2100 MHz
Data Speed
SIM type
Nano SIM
Nano SIM
HD Voice
Yes
VoLTE
Yes
Multimedia
Headphones
3.5mm jack
3.5mm jack
Features
Album art cover, Background playback
DTS:X Virtual Surround
Connectivity & Features
Bluetooth
5.0
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; Wi-Fi Direct, Hotspot
USB
microUSB, USB 2.0
Type-C (reversible), USB 2.0
Features
Mass storage device, OTG, Charging
Charging
Sensors
Accelerometer, Compass
Accelerometer
Other
NFC, VoIP, Tethering, Computer sync, OTA sync
Phone features
Notifications
Haptic feedback, Music ringtones, Vibration
Other features
Voice dialing, Voice commands, Voice recording, TTY/TDD
Shopping information
In The Box
Charger, SIM Card Installed, USB 2.0 Cable, Important Information Booklet
MSRP
$ 180
$ 150
