LG K31 vs LG K20 (2019) - specs comparison - PhoneArena

LG K31 vs LG K20 (2019)

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

Display

Size:

5.7 inches
5.5 inches

Resolution:

1520 x 720 pixels, 19:9 ratio, 295 PPI
960 x 480 pixels, 18:9 ratio, 197 PPI

Technology:

IPS LCD
IPS LCD

Screen-to-body:

77.13 %
71.76 %

Features:

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

Hardware

System chip:

MediaTek Helio P22 MT6762 (12 nm)
MediaTek MT6739 (28 nm)

Processor:

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

GPU:

IMG PowerVR GE8320
PowerVR GE8100

RAM:

2GB
1GB LPDDR3

Internal storage:

32GB, available to use: 17 GB
16GB

Storage expansion:

microSDXC up to 32 GB
microSDHC up to 32 GB

Device type:

Smartphone
Smartphone

OS:

Android (10)
Android (9.0 Pie)

Battery

Capacity:

3000 mAh
3000 mAh

Type:

Not user replaceable
Li - Polymer, Not user replaceable

Camera

Rear:

Dual camera
Single camera

Main camera:

13 MP (PDAF)
8 MP (Autofocus)

Specifications:

Aperture size: F1.8; Sensor size: 1/3"; Pixel size: 1.12 μm
Aperture size: F2.2; Focal length: 27 mm; Sensor size: 1/4"; 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

Video recording:

1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD) (30 fps)

Front:

5 MP
5 MP (Flash)

Video capture:

1920x1080 (Full HD)

Design

Dimensions:

5.82 x 2.8 x 0.34 inches (147.8 x 71.1 x 8.6 mm)
5.85 x 2.83 x 0.33 inches (148.6 x 71.9 x 8.3 mm)

Weight:

5.15 oz (146.0 g)
5.40 oz (153.0 g)

Materials:

Back: Plastic; Frame: Plastic
Back: Plastic; Frame: Plastic

Resistance:

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

Biometrics:

Fingerprint (touch)

Keys:

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

Colors:

Silver
Aurora black, Moroccan blue

Cellular

LTE (FDD):

Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 25(1900+), 26(850+), 66(AWS-3), 71(600)
Bands 1(2100), 3(1800), 7(2600), 8(900), 20(800 DD)

LTE (TDD):

Bands 41(2600+)
Bands 38(2600)

UMTS:

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

Data Speed:

LTE-A Cat 7 (300/100 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA

Dual SIM:

Yes

SIM type:

Nano SIM
Nano SIM

HD Voice:

Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker

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, Hotspot
802.11 b, g, n; Wi-Fi Direct

USB:

microUSB, USB 2.0
microUSB, USB 2.0

Features:

Charging
Charging, Mass storage device

Location:

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

Sensors:

Accelerometer
Accelerometer

Other:

UMA (Wi-Fi Calling)

Hearing aid compatible:

M3, T3

Regulatory Approval

FCC approval:

Date approved:

Sep 14, 2020

FCC ID value:

ZNFK300AM

Measured SAR:

Head:

0.47 W/kg

Body:

0.91 W/kg

Simultaneous Transmission:

1.26 W/kg

Wireless Router:

1.02 W/kg

Buyers information

Price:

$ 150

User Manual:

This is the official LG K31 User Guide in English provided from the manufacturer.

In The Box:

Travel Adapter, USB Cable
Charging adapter, USB-B data cable, Sim card ejector, Instructions for use

Availability

Officially announced:

Aug 07, 2019
FCC OKs Cingular\'s purchase of AT&T Wireless