LG V40 ThinQ 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.

7.7
LG V40 ThinQ
LG V40 ThinQ LG K51
Released · Oct 18, 2018
Released · May 06, 2020
6.4-inch · 3120x1440px
6.5-inch · 1560x720px
Triple camera
Triple camera
6GB · 64GB
3GB · 32GB
3300 mAh
4000 mAh
Check prices

Design

Dimensions
6.25 x 2.98 x 0.3 inches
158.8 x 75.7 x 7.6 mm
6.57 x 3.07 x 0.33 inches
166.9 x 77.9 x 8.4 mm
Weight
5.96 oz (169.0 g) 7.17 oz (203.4 g)
Materials
Back: Glass (Corning Gorilla Glass 5)
Frame: Aluminum
Resistance
Water, Dust, Shock; IP68; MIL-STD-810 certified Yes; MIL-STD-810 certified
Biometrics
2D Face unlock, Fingerprint (touch) Fingerprint (touch)
Keys
Left: Volume control, Other; Right: Lock/Unlock key Left: Volume control; Right: Lock/Unlock key
Colors
Aurora black, Moroccan blue Titan gray

Display

Size
6.4-inch 6.5-inch
Resolution
3120x1440px, 19.5:9 ratio, 537 PPI 1560x720px, 19.5:9 ratio, 264 PPI
Technology
P-OLED IPS LCD
Screen-to-body
83.68 % 79.70 %
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 845 SDM845 (10 nm) MediaTek Helio P22 MT6762 (12 nm)
Processor
Octa-core
2800 MHz
Kryo 385
Octa-core
2000 MHz
Arm Cortex-A53
GPU
Adreno 630 IMG PowerVR GE8320
RAM
6GB (LPDDR4) 3GB
Internal storage
64GB, available to use: 47.58 GB 32GB, available to use: 18 GB
Storage expansion
microSDXC up to 2000 GB microSDXC up to 2000 GB
OS
Android (9.0 Pie, 8.1 Oreo), LG UX UI Android (10)

Battery

Capacity
3300 mAh 4000 mAh
Type
Li - Polymer Li - Ion
Charging
Qualcomm Quick Charge 3.0, USB Power Delivery, Qi wireless charging

Camera

Rear
Triple camera Triple camera
Main camera
12 MP (OIS, PDAF)
Aperture size: F1.5
Focal length: 27 mm
Sensor size: 1/2.6"
Pixel size: 1.4 μm
13 MP (PDAF)
Aperture size: F1.8
Sensor size: 1/3"
Pixel size: 1.12 μm
Second camera
16 MP (Ultra-wide, PDAF, CMOS image sensor, BSI sensor)
Aperture size: F1.9
Focal Length: 16 mm
Sensor size: 1/3.09"
Pixel size: 1 μm
5 MP (Ultra-wide)
Aperture size: F2.2
Sensor size: 1/5"
Pixel size: 1.12 μm
Third camera
12 MP (Telephoto, OIS, PDAF)
Optical zoom: 2.0x
Aperture size: F2.4
Focal Length: 52 mm
Sensor size: 1/3.4"
Pixel size: 1 μm
2 MP (Depth information)
Sensor size: 1/5"
Pixel size: 1.75 μm
Flash
LED LED
Video recording
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps)
OIS, HDR, Time-lapse video, EIS, Video calling, Video sharing
1920x1080 (Full HD)
Picture-taking during video recording
Front
8 MP (Dual-Camera, Wide Angle), Video capture: 1920x1080 (Full HD) 13 MP, Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
5.0 5.0
WLAN
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, USB 3.1 Type-C, USB 2.0
Hearing aid compatible
M4/T3 M3/T3
Location
GPS, A-GPS, S-GPS GPS, A-GPS, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass Accelerometer, Gyroscope, Compass
Other
NFC, VoIP, Tethering, Computer sync, OTA sync

Multimedia

Headphones
3.5mm jack 3.5mm jack
Speakers
Earpiece, Multiple speakers Earpiece, Multiple speakers
Features
32-Bit DAC, DTS:X Virtual Surround, aptX-HD DTS:X Virtual Surround
Screen mirroring
DLNA,Wireless screen share,MirrorLink Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation, Video recording Noise cancellation

Cellular

4G (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 17(700 b), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600) 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 38(2600), 39(1900+), 40(2300), 41(2600+), 46 Bands 41(2600+)
3G
Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100) Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS 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

Regulatory Approval

FCC approval
Date approved: Jun 16, 2020
FCC ID value: ZNFL555DL
Measured SAR
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
$ 900 $ 200
In The Box
Charger, USB Cable, SIM Ejector

Availability

Officially announced
Oct 03, 2018 May 06, 2020

Alternative variants

for Sprint
4G (FDD) Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 71(600)
4G (TDD) Bands 40(2300), 41(2600+)
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 AT&T
4G (FDD) 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)
3G Bands 5(850), 4(1700/2100), 2(1900), 1(2100)
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 T-Mobile
OS Android (10)
4G (FDD) Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 66(AWS-3), 71(600)
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)
for Verizon Wireless
OS Android (10)
4G (FDD) Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 13(700 c), 20(800 DD), 28(700 APT), 66(AWS-3)
4G (TDD) Bands 46
3G Bands 5(850), 8(900), 2(1900), 1(2100)
for U.S. Cellular
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+), 66(AWS-3), 71(600)
4G (TDD) Bands 46
FCC OKs Cingular\'s purchase of AT&T Wireless