LG G6 vs LG K51

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Display

Size

5.7 inches
6.5 inches

Resolution

2880 x 1440 pixels,
561 PPI
1560 x 720 pixels, 19.5:9 ratio,
264 PPI

Technology

IPS LCD
IPS LCD

Screen-to-body

79.47 %
79.70 %

Features

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

Hardware & Performance

System chip

Qualcomm Snapdragon 821 MSM8996 Pro
MediaTek Helio P22 MT6762

Processor

Quad-core, 2350 MHz, Kryo, 64-bit, 14 nm
Octa-core, 2000 MHz, Arm Cortex-A53, 64-bit, 12 nm

GPU

Adreno 530
IMG PowerVR GE8320

RAM

4GB
3GB

Internal storage

32GB
32GB

Storage expansion

microSDXC up to 2000 GB
microSDXC up to 2000 GB

OS

Android (8.0 Oreo, 7.0 Nougat), LG UX UI
Android (9.0 Pie)

Battery

Capacity

3300 mAh
4000 mAh

Type

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

Charging

Qualcomm Quick Charge 3.0
 

Stand-by time (hours)

398 hours
588 hours

Camera

Rear

Dual camera
Triple camera

Main camera

13 MP (OIS, PDAF, CMOS image sensor)
13 MP (PDAF)

Specifications

Aperture size: F1.8; Focal length: 29 mm; Sensor size: 1/3.06"; Pixel size: 1.12 μm
Aperture size: F1.8

Second camera

13 MP (Ultra-wide)
5 MP (Ultra-wide)

Specifications

Aperture size: F2.4; Focal Length: 12 mm
Aperture size: F2.2

Third camera

 
2 MP (Depth information)

Video recording

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

Features

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

Front

5 MP (Wide Angle)
13 MP

Design

Dimensions

5.86 x 2.83 x 0.31 inches (148.9 x 71.9 x 7.9 mm)
6.57 x 3.07 x 0.33 inches (166.96 x 77.92 x 8.47 mm)

Weight

5.75 oz (163 g)
the average is 6.5 oz (184 g)
7.20 oz (204 g)
the average is 6.5 oz (184 g)

Materials

Back: Glass (Corning Gorilla Glass 3); Frame: Aluminum
 

Resistance

Water, Dust, Shock; IP 68; MIL-STD-810 certified
 

Biometrics

Fingerprint (touch)
Fingerprint (touch)

Colors

Black, Silver
Black

Cellular

Carrier locked phone

 
Yes

LTE (FDD)

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 13(700 c), 17(700 b), 20(800 DD), 25(1900+)
Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 14(700 PS), 25(1900+), 26(850+), 66(AWS-3), 71(600)

LTE (TDD)

 
Bands 41(2600+)

UMTS

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

Data Speed

LTE-A Cat 11 (600/75 Mbit/s), HSPA, HSUPA, 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
 

VoLTE

Yes
Yes

Multimedia

Headphones

3.5mm jack
3.5mm jack

Features

32-Bit DAC, aptX-HD
DTS:X Virtual Surround

Connectivity & Features

Bluetooth

4.2
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

USB

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

Features

Mass storage device, OTG, Charging
Charging

Sensors

Accelerometer, Gyroscope, Compass, Barometer
Accelerometer

Other

NFC, UMA (Wi-Fi Calling), Tethering, Computer sync, OTA sync
 

Phone features

Notifications

Haptic feedback
 

Other features

Voice dialing, Voice commands, Voice recording
 

Shopping information

In The Box

 
Charger, SIM Card Installed, USB 2.0 Cable, Important Information Booklet

MSRP

 
$ 150
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