LG G8 ThinQ vs LG K51

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

Display

Size:

6.1 inches
6.5 inches

Resolution:

3120 x 1440 pixels, 19.5:9 ratio, 563 PPI
1560 x 720 pixels, 19.5:9 ratio, 264 PPI

Technology:

OLED
IPS LCD

Screen-to-body:

83.66 %
79.70 %

Peak brightness:

600 cd/m2 (nit)

Features:

HDR video support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 855
MediaTek Helio P22 MT6762

Processor:

Octa-core, 2840 MHz, Kryo 485, 64-bit, 7 nm
Octa-core, 2000 MHz, Arm Cortex-A53, 64-bit, 12 nm

GPU:

Adreno 640
IMG PowerVR GE8320

RAM:

6GB LPDDR4
3GB

Internal storage:

128GB, available to use: 106 GB
32GB, available to use: 18 GB

Storage expansion:

microSDXC up to 2000 GB
microSDXC up to 2000 GB

Device type:

Smartphone
Smartphone

OS:

Android (9.0 Pie)
Android (10)

Battery

Capacity:

3500 mAh
4000 mAh

Type:

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

Charging:

Qualcomm Quick Charge 3.0, USB Power Delivery, Qi wireless charging

Camera

Rear:

Dual camera
Triple camera

Main camera:

12 MP (OIS, PDAF)
13 MP (PDAF)

Specifications:

Aperture size: F1.5; Focal length: 27 mm; Sensor size: 1/2.6"; Pixel size: 1.4 μm
Aperture size: F1.8; Sensor size: 1/3"; Pixel size: 1.12 μm

Second camera:

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

Specifications:

Aperture size: F1.9; Focal Length: 16 mm; Sensor size: 1/3.1"; Pixel size: 1 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:

3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) (240 fps)
1920x1080 (Full HD)

Features:

HDR, Time-lapse video, EIS, Video calling, Video sharing
Picture-taking during video recording

Front:

8 MP (Dual-Camera, Autofocus)
13 MP

Video capture:

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

Design

Dimensions:

5.98 x 2.83 x 0.33 inches (151.9 x 71.8 x 8.4 mm)
6.57 x 3.07 x 0.33 inches (166.9 x 77.9 x 8.4 mm)

Weight:

5.89 oz (167.0 g)
7.17 oz (203.4 g)

Materials:

Back: Glass (Corning Gorilla Glass 6); Frame: Aluminum

Resistance:

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

Biometrics:

3D Face unlock, Fingerprint (touch)
Fingerprint (touch)

Keys:

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

Colors:

Aurora black, Platinum gray, Carmine red
Titan gray

Cellular

LTE (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)

LTE (TDD):

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

UMTS:

850, 900, 1700/2100, 1900, 2100 MHz
850, 900, 1700/2100, 1900, 2100 MHz

Data Speed:

LTE-A Pro Cat 20 (2000/150 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

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
FM

Additional microphone(s):

for Noise cancellation, Video recording
for Noise cancellation

Connectivity & Features

Bluetooth:

5.0
5.0

Wi-Fi:

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

USB:

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

Features:

Charging, OTG
Charging

Location:

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

Sensors:

Accelerometer, Gyroscope, Compass, Barometer
Accelerometer, Gyroscope, Compass

Other:

NFC, UMA (Wi-Fi Calling)

Hearing aid compatible:

M4, T3
M3, T3

Regulatory Approval

FCC approval:

Date approved:

Feb 15, 2019

FCC ID value:

ZNFG820UM link

Measured SAR:

Head:

0.98 W/kg

Body:

0.95 W/kg

Simultaneous Transmission:

1.59 W/kg

Wireless Router:

1.29 W/kg

Phablet:

3.88 W/kg

Buyers information

Price:

$ 820
$ 200

User Manual:

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

In The Box:

USB Type-C cable, Quick Charge 3.0 charger, SIM tray opener, Clear case, Stereo headset
Charger, USB Cable, SIM Ejector

Availability

Officially announced:

Feb 24, 2019
May 06, 2020
This copy is for your personal, non-commercial use only. You can order presentation-ready copies for distribution to your colleagues, clients or customers at https://www.parsintl.com/phonearena or use the Reprints & Permissions tool that appears at the bottom of each web page. Visit https://www.parsintl.com/ for samples and additional information.
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