LG K20 (2019) vs LG K51

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$200 VIEW ON AMAZON

Display

Size

5.5 inches
6.5 inches

Resolution

960 x 480 pixels, 18:9 ratio,
197 PPI
1560 x 720 pixels, 19.5:9 ratio,
264 PPI

Technology

IPS LCD
IPS LCD

Screen-to-body

71.76 %
79.70 %

Features

Ambient light sensor, Proximity sensor
Ambient light sensor, Proximity sensor

Hardware

System chip

MediaTek MT6739
MediaTek Helio P22 MT6762

Processor

Quad-core, 1500 MHz, ARM Cortex-A53, 64-bit, 28 nm
Octa-core, 2000 MHz, Arm Cortex-A53, 64-bit, 12 nm

GPU

PowerVR GE8100
IMG PowerVR GE8320

RAM

1GB LPDDR3
3GB

Internal storage

16GB
32GB, available to use: 18 GB

Storage expansion

microSDHC up to 32 GB
microSDXC up to 2000 GB

OS

Android (9.0 Pie)
Android (10)

Battery

Capacity

3000 mAh
4000 mAh

Type

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

Camera

Rear

Single camera
Triple camera

Main camera

8 MP (Autofocus)
13 MP (PDAF)

Specifications

Aperture size: F2.2
Aperture size: F1.8; Sensor size: 1/3"; Pixel size: 1.12 μm

Second camera

 
5 MP (Ultra-wide)

Specifications

 
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

Yes
1920x1080 (Full HD)

Features

 
Picture-taking during video recording

Front

5 MP (Flash)
13 MP

Design

Dimensions

5.85 x 2.83 x 0.33 inches (148.6 x 71.9 x 8.3 mm)
6.57 x 3.07 x 0.33 inches (166.9 x 77.9 x 8.4 mm)

Weight

5.40 oz (153.0 g)
the average is 6.2 oz (178 g)
7.17 oz (203.4 g)
the average is 6.2 oz (178 g)

Materials

Back: Plastic
 

Resistance

Yes; MIL-STD-810 certified
Yes; MIL-STD-810 certified

Biometrics

 
Fingerprint (touch)

Colors

Aurora black, Moroccan blue
Titan gray

Cellular

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)

LTE (TDD)

 
Bands 41(2600+)

UMTS

 
850, 900, 1700/2100, 1900, 2100 MHz

Data Speed

LTE, HSPA, HSUPA
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM

Yes
 

SIM type

Nano SIM
Nano SIM

HD Voice

 
Yes

VoLTE

 
Yes

Multimedia

Headphones

3.5mm jack
3.5mm jack

Speakers

Earpiece, Loudspeaker
Earpiece, Multiple speakers

Features

 
DTS:X Virtual Surround

Screen mirroring

Wireless screen share
Wireless screen share

Radio

 
FM

Additional microphone(s)

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth

5.0
5.0

Wi-Fi

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

USB

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

Features

Mass storage device, Charging
Charging

Location

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

Sensors

Accelerometer
Accelerometer, Gyroscope, Compass

Phone features

Other features

Voice dialing, Voice commands, Voice recording
 

Buyers information

In The Box

Charging adapter, USB-B data cable, Sim card ejector, Instructions for use
Charger, USB Cable, SIM Ejector

Price

 
$ 200
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