LG X Power vs LG K51 vs LG K31

Compare phone and tablet specifications of up to three devices at once.

Display

Size:

5.3 inches
6.5 inches
5.7 inches

Resolution:

1280 x 720 pixels, 277 PPI
1560 x 720 pixels, 19.5:9 ratio, 264 PPI
1520 x 720 pixels, 19:9 ratio, 295 PPI

Technology:

IPS LCD
IPS LCD
IPS LCD

Screen-to-body:

69.43 %
79.70 %
77.13 %

Features:

Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
Ambient light sensor, Proximity sensor
Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 212 8909 v2
MediaTek Helio P22 MT6762
MediaTek Helio P22 MT6762

Processor:

Quad-core, 1300 MHz, ARM Cortex-A7, 28 nm
Octa-core, 2000 MHz, Arm Cortex-A53, 64-bit, 12 nm
Octa-core, 2000 MHz, Arm Cortex-A53, 64-bit, 12 nm

GPU:

Adreno 304
IMG PowerVR GE8320
IMG PowerVR GE8320

RAM:

1.5GB
3GB
2GB

Internal storage:

16GB, available to use: 9.75 GB
32GB, available to use: 18 GB
32GB, available to use: 17 GB

Storage expansion:

microSDXC up to 2000 GB
microSDXC up to 2000 GB
microSDXC up to 32 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (6.0 Marshmallow), LG UX UI
Android (10)
Android (10)

Battery

Capacity:

4100 mAh
4000 mAh
3000 mAh

Type:

Li - Ion, Not user replaceable
Li - Ion, Not user replaceable
Not user replaceable

Charging:

Fast charging

Camera

Rear:

Single camera
Triple camera
Dual camera

Main camera:

8 MP (Autofocus)
13 MP (PDAF)
13 MP (PDAF)

Specifications:

Aperture size: F1.8; Sensor size: 1/3"; Pixel size: 1.12 μm
Aperture size: F1.8; Sensor size: 1/3"; Pixel size: 1.12 μm

Second camera:

5 MP (Ultra-wide)
5 MP (Ultra-wide)

Specifications:

Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm
Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm

Third camera:

2 MP (Depth information)

Specifications:

Sensor size: 1/5"; Pixel size: 1.75 μm

Video recording:

1280x720 (HD) (30 fps)
1920x1080 (Full HD)
1920x1080 (Full HD) (30 fps)

Features:

Picture-taking during video recording, Video calling, Video sharing
Picture-taking during video recording

Front:

5 MP
13 MP
5 MP

Video capture:

1920x1080 (Full HD)
1920x1080 (Full HD)
1920x1080 (Full HD)

Design

Dimensions:

5.86 x 2.95 x 0.31 inches (148.9 x 74.9 x 7.9 mm)
6.57 x 3.07 x 0.33 inches (166.9 x 77.9 x 8.4 mm)
5.82 x 2.8 x 0.34 inches (147.8 x 71.1 x 8.6 mm)

Weight:

4.90 oz (139.0 g)
7.17 oz (203.4 g)
5.15 oz (146.0 g)

Materials:

Back: Plastic; Frame: Plastic

Resistance:

Yes; MIL-STD-810 certified
Yes; MIL-STD-810 certified

Biometrics:

Fingerprint (touch)
Fingerprint (touch)

Features:

Notification light

Keys:

Left: Volume control; Right: Lock/Unlock key
Left: Volume control; Right: Lock/Unlock key
Left: Volume control; Right: Lock/Unlock key

Colors:

Black, Gold, White
Titan gray
Silver

Cellular

LTE (FDD):

Bands 2(1900), 4(AWS-1), 5(850), 12(700 a)
Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 13(700 c), 20(800 DD), 25(1900+), 26(850+), 66(AWS-3), 71(600)
Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 25(1900+), 26(850+), 66(AWS-3), 71(600)

LTE (TDD):

Bands 41(2600+)
Bands 41(2600+)

UMTS:

Bands 5(850), 8(900), 2(1900), 1(2100)
Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)
Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)

Data Speed:

LTE, HSPA
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A Cat 7 (300/100 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

SIM type:

Nano SIM
Nano SIM
Nano SIM

HD Voice:

Yes
Yes

VoLTE:

Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Multiple speakers
Earpiece, Loudspeaker

Features:

Album art cover, Background playback
DTS:X Virtual Surround

Screen mirroring:

DLNA, Wireless screen share
Wireless screen share
Wireless screen share

Radio:

FM
FM
FM

Additional microphone(s):

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

4.1
5.0
5.0

Wi-Fi:

802.11 b, g, n; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
802.11 b, g, n; Wi-Fi Direct, Hotspot

USB:

microUSB, USB 2.0
Type-C (reversible), USB 2.0
microUSB, USB 2.0

Features:

Mass storage device, OTG, Charging
Charging
Charging

Location:

GPS, A-GPS, Glonass
GPS, A-GPS, Cell ID, Wi-Fi positioning
GPS, A-GPS, Cell ID, Wi-Fi positioning

Sensors:

Accelerometer, Compass
Accelerometer, Gyroscope, Compass
Accelerometer

Other:

Tethering, Computer sync, OTA sync
UMA (Wi-Fi Calling)

Hearing aid compatible:

M3, T3
M3, T3

Buyers information

Price:

$ 200
$ 150

User Manual:

This is the official LG K51 User Guide in English provided from the manufacturer.
This is the official LG K31 User Guide in English provided from the manufacturer.

In The Box:

Charger, USB Cable, SIM Ejector
Travel Adapter, USB Cable

Availability

Officially announced:

Jun 16, 2016
May 06, 2020
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