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LG Aristo vs LG K51 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.


LG Aristo	LG K51
Released · Jan 23, 2017	Released · May 06, 2020
5.0-inch	6.5-inch
Single camera	Triple camera
1.5GB · 16GB	3GB · 32GB
2410 mAh	4000 mAh

Design

Dimensions
5.7 x 2.84 x 0.32 inches 144.8 x 72.1 x 8.1 mm	6.57 x 3.07 x 0.33 inches 166.9 x 77.9 x 8.4 mm
Weight
5.01 oz (142.0 g)	7.17 oz (203.4 g)
Resistance
	Yes; MIL-STD-810 certified
Biometrics
	Fingerprint (touch)
Keys
Left: Volume control; Back: Lock/Unlock key	Left: Volume control; Right: Lock/Unlock key
Colors
Silver	Titan gray

Display

Size
5.0-inch	6.5-inch
Resolution
1280x720px, 294 PPI	1560x720px, 19.5:9 ratio, 264 PPI
Technology
IPS LCD	IPS LCD
Screen-to-body
66.11 %	79.70 %
Colors
16 777 216
Features
Scratch-resistant glass (Tempered Glass), 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
1.5GB (LPDDR3)	3GB
Internal storage
16GB, available to use: 9.8 GB	32GB, available to use: 18 GB
Storage expansion
microSDHC up to 32 GB	microSDXC up to 2000 GB
OS
Android (7.0 Nougat)	Android (10)

Battery

Capacity
2410 mAh	4000 mAh
Type
	Li - Ion

Camera

Rear
Single camera	Triple camera
Main camera
13 MP (Autofocus) Aperture size: F2.2 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, Video capture: 1920x1080 (Full HD)	13 MP, Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
4.2	5.0
WLAN
802.11 b,g,n Hotspot, Wi-Fi Direct	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/T3	M3/T3
Location
GPS, A-GPS, S-GPS	GPS, A-GPS, Cell ID, Wi-Fi positioning
Sensors
Accelerometer	Accelerometer, Gyroscope, Compass
Other
UMA (Wi-Fi Calling), 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, RDS	FM
Additional microphone(s)
	Noise cancellation

Cellular

4G (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)
4G (TDD)
	Bands 41(2600+)
3G
Bands 5(850), 4(1700/2100), 2(1900)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	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	Yes
VoLTE
Yes	Yes

Phone Features

Notifications
Haptic feedback
Other features
Voice dialing, Voice commands, Voice recording, TTY/TDD

Regulatory Approval

FCC approval
Date approved: Jan 16, 2017 FCC ID value: ZNFM210	Date approved: Jun 16, 2020 FCC ID value: ZNFL555DL
Measured SAR
Head: 0.84 W/kg Body: 0.60 W/kg Simultaneous Transmission: 1.52 W/kg Wireless Router: 0.67 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
Jan 17, 2017	May 06, 2020

Alternative variants

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 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 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 Aristo Specs	LG K51 Specs
User Reviews
	LG K51 User Reviews