LG X charge vs LG K51 Specs Comparison

Design

Dimensions
6.09 x 3.07 x 0.33 inches 154.7 x 78.1 x 8.4 mm	6.57 x 3.07 x 0.33 inches 166.9 x 77.9 x 8.4 mm
Weight
5.79 oz (164.0 g)	7.17 oz (203.4 g)
Materials
Back: Metal
Resistance
	Yes; MIL-STD-810 certified
Biometrics
	Fingerprint (touch)
Keys
Left: Volume control; Right: Lock/Unlock key	Left: Volume control; Right: Lock/Unlock key
Colors
Black	Titan gray

Display

Size
5.5-inch	6.5-inch
Resolution
1280x720px, 267 PPI	1560x720px, 19.5:9 ratio, 264 PPI
Technology
IPS LCD	IPS LCD
Screen-to-body
69.14 %	79.70 %
Features
Ambient light sensor, Proximity sensor	Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 425 8917 (28 nm)	MediaTek Helio P22 MT6762 (12 nm)
Processor
Quad-core 1400 MHz ARM Cortex-A53	Octa-core 2000 MHz Arm Cortex-A53
GPU
Adreno 308	IMG PowerVR GE8320
RAM
2GB (LPDDR3)	3GB
Internal storage
16GB, available to use: 9.43 GB	32GB, available to use: 18 GB
Storage expansion
microSDXC up to 2000 GB	microSDXC up to 2000 GB
OS
Android (7.1 Nougat)	Android (10)

Battery

Capacity
4500 mAh	4000 mAh
Type
Li - Ion	Li - Ion
Charging
Qualcomm Quick Charge 2.0

Camera

Rear
Single camera	Triple camera
Main camera
13 MP (Autofocus) Aperture size: F2.4 Sensor size: 1/3" Pixel size: 1.12 μm	13 MP (PDAF) Aperture size: F1.8 Sensor size: 1/3" Pixel size: 1.12 μm
Second camera
	5 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/5" Pixel size: 1.12 μm
Third camera
	2 MP (Depth information) Sensor size: 1/5" Pixel size: 1.75 μm
Flash
LED	LED
Video recording
1920x1080 (Full HD) (30 fps) Picture-taking during video recording, Video calling, Video sharing	1920x1080 (Full HD) Picture-taking during video recording
Front
5 MP (Wide Angle, Flash)	13 MP, Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
4.2	5.0
WLAN
802.11 b,g,n Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot
USB
microUSB, USB 2.0	Type-C, USB 2.0
Hearing aid compatible
M3/T4	M3/T3
Location
GPS, A-GPS, S-GPS	GPS, A-GPS, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope	Accelerometer, Gyroscope, Compass
Other
Tethering, Computer sync, OTA sync

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Multiple speakers
Features
Album art cover, Background playback	DTS:X Virtual Surround
Screen mirroring
Wireless screen share	Wireless screen share
Radio
	FM
Additional microphone(s)
	Noise cancellation

Cellular

4G (FDD)
Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 25(1900+), 26(850+)	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)
4G (TDD)
Bands 41(2600+)	Bands 41(2600+)
3G
Bands 5(850), 4(1700/2100), 2(1900), 1(2100)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE, HSPA	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
VoLTE
	Yes

Regulatory Approval

FCC approval
Date approved: Aug 18, 2017 FCC ID value: ZNFSP320	Date approved: Jun 16, 2020 FCC ID value: ZNFL555DL
Measured SAR
Head: 1.03 W/kg Body: 0.18 W/kg Simultaneous Transmission: 1.58 W/kg Wireless Router: 0.18 W/kg	Head: 0.66 W/kg Body: 1.20 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.27 W/kg Phablet: 3.96 W/kg

Buyers information

MSRP
	$ 200
In The Box
	Charger, USB Cable, SIM Ejector

Availability

Officially announced
	May 06, 2020

Alternative variants

System chip	MediaTek MT6750 (28 nm)
Processor	Quad-core 1500 MHz ARM Cortex-A53
GPU	Mali-T860 MP2
Colors	Gold, Gray, Blue

for Boost Mobile

OS	Android (9.0 Pie)
4G (FDD)	Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 25(1900+), 26(850+), 66(AWS-3), 71(600)

for Cricket

4G (FDD)	Bands 2(1900), 4(AWS-1), 5(850), 12(700 a)
3G	Bands 5(850), 4(1700/2100), 2(1900)

for Verizon

4G (FDD)	Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 13(700 c), 20(800 DD), 66(AWS-3)
MSRP	$ 170

for Xfinity Mobile

4G (FDD)	Bands 2(1900), 4(AWS-1), 5(850), 13(700 c)
3G	Bands 5(850), 8(900), 2(1900), 1(2100)
Hearing aid compatible	M3/T3
FCC approval	Date approved: Jul 10, 2017 FCC ID value: ZNFM322
Measured SAR	Head: 0.10 W/kg Body: 0.10 W/kg Simultaneous Transmission: 1.02 W/kg Wireless Router: 0.11 W/kg Phablet: 0.19 W/kg

for Metro

4G (FDD)	Bands 1(2100), 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)
4G (TDD)	Bands 38(2600), 41(2600+)
3G	Bands 5(850), 4(1700/2100), 2(1900), 1(2100)

Links

Full specifications
LG X charge Specs	LG K51 Specs
User Reviews
	LG K51 User Reviews