LG K51 vs LG K92 vs LG Velvet

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

Display

Size:

6.5 inches
6.7 inches
6.8 inches

Resolution:

1560 x 720 pixels, 19.5:9 ratio, 264 PPI
2400 x 1080 pixels, 20:9 ratio, 393 PPI
2460 x 1080 pixels, 20.5:9 ratio, 395 PPI

Technology:

IPS LCD
IPS LCD
P-OLED

Screen-to-body:

79.70 %
84.36 %
88.89 %

Features:

Ambient light sensor, Proximity sensor
60Hz refresh rate, Ambient light sensor, Proximity sensor
60Hz refresh rate, Scratch-resistant glass (Corning Gorilla Glass), Ambient light sensor, Proximity sensor

Hardware

System chip:

MediaTek Helio P22 MT6762
Qualcomm Snapdragon 690 SM6350
Qualcomm Snapdragon 765G SM7250-AB

Processor:

Octa-core, 2000 MHz, Arm Cortex-A53, 64-bit, 12 nm
Octa-core, 2000 MHz, Kryo 560, 64-bit, 8 nm
Octa-core, 2400 MHz, Kryo 475, 64-bit, 7 nm

GPU:

IMG PowerVR GE8320
Adreno 619L
Adreno 620

RAM:

3GB
6GB LPDDR4
6GB LPDDR4

Internal storage:

32GB, available to use: 18 GB
128GB, available to use: 99 GB
128GB (UFS 2.1), available to use: 95.4 GB

Storage expansion:

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

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (10)
Android (10)
Android (11, 10)

Battery

Capacity:

4000 mAh
4000 mAh
4300 mAh

Type:

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

Battery life test results:

Charging:

Qualcomm Quick Charge 4
Qualcomm Quick Charge 4+, USB Power Delivery, Qi wireless charging

Max charge speed:

Wired: 25.0W; Wireless: 9.0W

Camera

Rear:

Triple camera
Quad camera
Triple camera

Main camera:

13 MP (PDAF)
64 MP (PDAF)
48 MP (OIS, PDAF)

Specifications:

Aperture size: F1.8; Sensor size: 1/3"; Pixel size: 1.12 μm
Aperture size: F1.8; Focal length: 25 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm

Second camera:

5 MP (Ultra-wide)
5 MP (Ultra-wide)
8 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
Aperture size: F2.2; Focal Length: 15 mm; Sensor size: 1/4"; Pixel size: 1.12 μm

Third camera:

2 MP (Depth information)
2 MP (Macro)
5 MP (Depth information)

Specifications:

Sensor size: 1/5"; Pixel size: 1.75 μm
Aperture size: F2.4; Pixel size: 1.75 μm
Aperture size: F2.4

Fourth camera:

2 MP (Depth information)

Specifications:

Aperture size: F2.4; Pixel size: 1.75 μm

Video recording:

1920x1080 (Full HD)
3840x2160 (4K UHD) (30 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (60 fps), 1280x720 (HD)

Features:

Picture-taking during video recording
Time-lapse video, EIS
EIS

Front:

13 MP
16 MP
16 MP (HDR)

Video capture:

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

Design

Dimensions:

6.57 x 3.07 x 0.33 inches (166.9 x 77.9 x 8.4 mm)
6.55 x 3.04 x 0.33 inches (166.4 x 77.2 x 8.4 mm)
6.58 x 2.91 x 0.31 inches (167.2 x 74 x 7.9 mm)

Weight:

7.17 oz (203.4 g)
7.14 oz (202.0 g)
6.35 oz (180.0 g)

Materials:

Back: Glass (Corning Gorilla Glass); Frame: Aluminum

Resistance:

Yes; MIL-STD-810 certified
Water, Dust; IP68; MIL-STD-810 certified

Biometrics:

Fingerprint (touch)
Fingerprint (touch)
In-screen fingerprint

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:

Titan gray
Titan gray
Aurora white, Aurora green, Aurora gray, Illusion sunset, Aurora silver

Cellular

5G:

SA, NSA
SA, NSA

LTE (FDD):

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 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 14(700 PS), 20(800 DD), 29(700 d), 30(2300 WCS), 66(AWS-3)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 14(700 PS), 20(800 DD), 29(700 d), 30(2300 WCS), 66(AWS-3)

LTE (TDD):

Bands 41(2600+)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46

UMTS:

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

Data Speed:

LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A Pro Cat 16 (1000/150 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
Yes

VoLTE:

Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack
3.5mm jack

Speakers:

Earpiece, Multiple speakers
Earpiece, Multiple speakers
Earpiece, Multiple speakers

Features:

DTS:X Virtual Surround
aptX
aptX-HD

Screen mirroring:

Wireless screen share
DLNA, Wireless screen share
DLNA, Wireless screen share

Radio:

FM
FM

Additional microphone(s):

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

5.0
5.0
5.0

Wi-Fi:

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

USB:

Type-C (reversible), USB 2.0
Type-C (reversible), USB 3.1
Type-C (reversible), USB 3.1

Features:

Charging
Charging
Charging, OTG, Video out

Location:

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

Sensors:

Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass, Heart rate, Barometer
Accelerometer, Gyroscope, Compass, Barometer

Other:

NFC, UMA (Wi-Fi Calling)
NFC, UMA (Wi-Fi Calling)

Hearing aid compatible:

M3, T3
M4, T3
M4, T3

Regulatory Approval

FCC approval:

Date approved:

Oct 01, 2020
Jun 30, 2020

FCC ID value:

ZNFK920AM link
ZNFG900UM link

Measured SAR:

Head:

1.13 W/kg
0.23 W/kg

Body:

0.57 W/kg
1.02 W/kg

Simultaneous Transmission:

1.59 W/kg
1.59 W/kg

Wireless Router:

0.67 W/kg
1.12 W/kg

Phablet:

3.53 W/kg
3.85 W/kg

Buyers information

Price:

$ 200
$ 395
$ 600

User Manual:

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

In The Box:

Charger, USB Cable, SIM Ejector
Quick Charging Block, USB-C cable, SIM Tray Eject Tool, Quick Start Guide, Product Safety and Warranty Information

Availability

Officially announced:

May 06, 2020
Oct 29, 2020
May 07, 2020
FCC OKs Cingular\'s purchase of AT&T Wireless